I.  PHYSIOLOGY & BIOLOGY

1.  Factors modifying calcium concentration in the hemolymph of the crayfish Procambarus acutus acutus Girard..
by Duro Adegboye, Irvine R. Hagadorn & Philip F. Hirsch
Freshwater Crayfish 4:1-13.

2.  Hypercalcemic effect of crustecdysone in the crayfish Procambarus acutus acutus Girard..
by Duro Adegboye, Irvine R. Hagadorn & Philip F. Hirsch
Freshwater Crayfish 4:15-23.

3.  Metabolism of calcium in the crayfish.
by Duro Adegboye, Irvine R. Hagadorn & Philip F. Hirsch
Freshwater Crayfish 4:25-33.

4.  The relationship between size and age throughout the life cycle in Austropotamobius pallipes.
by D.J. Brown and K. Bowler
Freshwater Crayfish 4:35-42.

5.  Effets du taux des protines alimentaires sur diffrents "indices" physiologiques chez l'crevisse Austropotamobius pallipes pallipes (Lereboullet).
by C. Chaisemartin
Freshwater Crayfish 4: 43-51.

6.  Size at maturity as a means of comparing populations of Procambarus clarkii (Girard) (Crustacea, Decapoda) from different habitats.
by J.V. Huner and R.P. Romaire
Freshwater Crayfish 4: 53-64.

7.  Croissance et dveloppement de l'crevisse amricaine, Orconectes limosus (Rafinesque), dans le lac de Crteil (Val de Marne) (France).
by J.M. Jestin
Freshwater Crayfish 4: 65-72.

8.  Effects of temperature, photoperiod, substrate and shelter on survival, growth and biomass accumulation of juvenile Pacifastacus leniusculus in culture.
by J.C. Mason
Freshwater Crayfish 4: 73-82.

9.  Significance of egg size in the freshwater crayfish, Pacifastacus leniusculus (Dana).
by J.C. Mason
Freshwater Crayfish 4: 83-92.

10.  Multiple summer molts in adult Orconectes neglectus chaenodactylus Williams.
by J.O. Price and J.F. Payne
Freshwater Crayfish 4: 93-104.

11.  Growth and food conversion efficiency of juvenile Pacifactacus leniusculus along a salinity gradient.
by J.C. Rundquist and C.R. Goldman
Freshwater Crayfish 4: 105-113.

12.  Aspects of crayfish biology.
by W.J. Thomas
Freshwater Crayfish 4: 115-122.

13.  The ecdysones and control of chitin synthesis in Orconectes.
by J.R. Stevenson
Freshwater Crayfish 4: 123-130.

II.  ECOLOGY & BIOGEOGRAPHY

14.  Population d'crevisses (Atlanto-Astacus pallipes pallipes Lereboullet) d'un ruisseau de Lozre - France.
by J. Arrignon and P. Magne
Freshwater Crayfish 4: 131-139.

15.  An evaluation of selected crawfish traps and trapping methods.
by R.A. Bean and J.V. Huner
Freshwater Crayfish 4: 141-151.

16.  Dynamics of a population of the freshwater crayfish Austropotamobius pallipes (Lereboullet).
by J.M. Brewis
Freshwater Crayfish 4: 153-157.

17.  A critical look at trapping as a method of sampling a population of Austropotamobius pallipes (Lereboullet) in a mark and recapture study.
by D.J. Brown and J.M. Brewis
Freshwater Crayfish 4: 159-163.

18.  Premires donnes sur les populations d'crevisses de quelques course d'eau du Haut Bassin Loire-Allier.
by J.J. Demars
Freshwater Crayfish 4: 165-174.

19.  Present situation of exotic species of crayfish introduced into Spanish continental waters.
by A.S. Habsburgo-Lorena
Freshwater Crayfish 4: 175-184.

20.  L'crevisse pieds rouges en Slovnie depuis 1972.
by T. Herfort-Michieli
Freshwater Crayfish 4: 185-189.

21.  Introductions of Procambarus spp. - A report to the introductions committee of the International Association of Astacology, fourth biennial meeting Thonon-les-Bains, France, 28-31 August 1978.
by J.V. Huner and J.W. Avault Jr.
Freshwater Crayfish 4: 191-194.  

22.  The first introduction of the crayfish, Pacifastacus leniusculus Dana into Polish waters.
by J. Kossakowski and G. Kossakowski
Freshwater Crayfish 4: 195.

23.  Ecological and social problems in the use of the crayfish, Procambarus clarkii in Kenya.
by H. Mikkola
Freshwater Crayfish 4: 197-205.

24.  The social ecology of crayfish fisheries.
by J.R. Nolfi
Freshwater Crayfish 4: 207- 214.

25.  Crayfish ecology in Ireland.
by J.D. Reynolds
Freshwater Crayfish 4: 215-220.

26.  The prehistoric man as a possible crayfish transplantor.
by R. Spitzy
Freshwater Crayfish 4: 221-225.

27.  Pacifastacus leniusculus et Astacus leptodactylus premier bilan d'exploitation en etang.
by E. Vigneux
Freshwater Crayfish 4: 227-234.

28.  A new folding trap model which prevents crayfish from escaping.
by K. Westman, M. Pursiainen and R. Vilkman
Freshwater Crayfish 4: 235-242.

29.  Development of the European crayfish Astacus astacus (L.) and the American crayfish Pacifastacus leniusculus (Dana) populations in a small Finnish lake.
by K. Westman and M. Pursiainen
Freshwater Crayfish 4: 243-250.

30.  Electric fishing in sampling crayfish.
by K. Westman, O. Sumari and M. Pursiainen
Freshwater Crayfish 4: 251-255.

III.  CRAYFISH PRODUCTION PROBLEMS

31.  Probable effect of hatchery conditions on the genetic variability of Astacus leptodactylus Esch.
by G. Badino and C. Robotti
Freshwater Crayfish 4: 257-261.

32.  Double cropping rice, Oryza sativa, and red swamp crawfish Procambarus clarkii.
by Y.-H. Chien and J.W. Avault, Jr.
Freshwater Crayfish 4: 263-271.

33.  First essays of controlled breeding of Astacus pallipes (Ler.).
by L. Cuellar and M. Coll
Freshwater Crayfish 4: 273-276.

34.  Effects of container size on growth of crawfish (Procambarus clarkii) in a recirculating culture system.
by J.C. Goyert and J.W. Avault, Jr.
Freshwater Crayfish 4: 277-286.

35.  Polyculture of red swamp crawfish (Procambarus clarkii) and several north American fish species.
by L.M. Green, J.S. Tuten and J.W. Avault, Jr.
Freshwater Crayfish 4: 287-297.

36.  Essai d'levage de l'crevisse Pontastacus leptodactylus leptodactylus a l'chelle industrielle.
by L.-P. Knoepffler
Freshwater Crayfish 4: 299-304.

37.  Effects of various culture conditions on survival and reproduction of red swamp crayfish (Procambarus clarkii).
by R.G. Nelson and J.S. Dendy
Freshwater Crayfish 4: 305-311.

38.  Preliminary studies on a potential crayfish fishery in Vermont.
by J.R. Nolfi and M. Miltner
Freshwater Crayfish 4: 313-321.

39.  The possibility of using alternative sources of energy in crayfish-culture.
by M. Orsi and G. Badino
Freshwater Crayfish 4: 323-329.

40.  Growth and survival of stunted red swamp crawfish (Procambarus clarkii) in a feeding-stocking density experiment in pools.
by R.P. Romaire, J.S. Forester and J.W. Avault, Jr.
Freshwater Crayfish 4: 331-336.

41.  Agricultural forages and by-products as feed for crawfish, Procambarus clarkii.
by R. Rivas, R.P. Romaire, J.W. Avault, Jr. and M. Giamalva
Freshwater Crayfish 4: 337-342.

IV.  PATHOLOGY AND TOXICOLOGY

42.  Report of microsporidial infestation of the freshwater crayfish, Cherax destructor.
by L.L. Carstairs
Freshwater Crayfish 4: 343-347.

43.  Some effects of thirteen rice pesticides on crawfish Procambarus clarkii and P. acutus acutus.
by M.-L. Cheah, J.W. Avault, Jr. and J.B. Graves
Freshwater Crayfish 4: 349-361.

44.  On the etiology of the muscle wasting disease in Procambarus clarkii in Kenya.
by O.V. Lindqvist and H. Mikkola
Freshwater Crayfish 4: 363-372.

45.  Suitability studies of selected antimicrobial agents for use in treatment of crayfish diseases.
by R.L. Moore
Freshwater Crayfish 4: 373-380.

46.  Studie zur neueinbrgerung des gegen die krebspest resistenten signalkrebses (Pacifastacus leniusculus Dana).
by G. Mller
Freshwater Crayfish 4: 381-383.

47.  Psorospermium haeckeli, a parasite on the European crayfish, Astacus astacus, found in Finland.
by V. Nylund and K. Westman
Freshwater Crayfish 4: 385-390.

48.  Culture in vitro de cellules embryonnaires d'crevisses.
by J.M. Quiot and A. Vey
Freshwater Crayfish 4: 391-398.

49.  The crayfish plague fungus, the ecological niche of a specialized fungus and the fate of the fungus in the crayfish host (summary of 16mm film, sound, 35 min.).
by T. Unestam and R. Ajaxon
Freshwater Crayfish 4: 399-401.

50.  Infections fongiques chez l'crevisse Astacus leptodactylus Esch.
by A. Vey
Freshwater Crayfish 4: 403-410.

51.  Recherches sur une maladie des crevisses due au parasite Psorospermium haeckeli Hilgendorf.
by A. Vey
Freshwater Crayfish 4: 411-418.

52.  Crayfish plague, Aphanomyces astaci, observed in the European crayfish, Astacus astacus, in Pihlajavesi waterway in Finland. A case study on the spread of the plague fungus.
by K. Westman and V. Nylund
Freshwater Crayfish 4: 419-426.

V.  BIBLIOGRAPHIC STUDIES

53.  Elments de bibliographie sur le genre Astacus en Europe.
by J. Arrignon
Freshwater Crayfish 4: 427-436.

54.   Selected Finnish literature on the freshwater crayfish Astacus astacus and Pacifastacus leniusculus.
by K. Westman
Freshwater Crayfish 4: 437-443.

VI.  SOVIETIC CONTRIBUTIONS

55.  On acclimatization of Pacifastacus leniusculus Dana in an isolated lake.
by J.M. Cukerzis
Freshwater Crayfish 4: 445-450.

56.  Method for accelerated artificial breeding of crayfish juveniles.
by J.M. Cukerzis, J. Sheshtokas and A.L. Terentyev
Freshwater Crayfish 4: 451-458.

57.  Formation of motive structures of behaviour of Astacus astacus L. juveniles.
by J.V. Doroshenko
Freshwater Crayfish 4: 459-464.

58.  Some biochemical differences between two species of freshwater crayfish, Astacus astacus L. and Astacus leptodactylus Esch., in Lithuania.
by G. Mackevichiene
Freshwater Crayfish 4: 465-470.

59.  On Astacus astacus L. infected with Thelohania contejeani Henneguy.
by A. Mazylis
Freshwater Crayfish 4: 471-473.