56. , and I. A. Burtsev. 1969. Instroktsiy po 



razvehenei i tovarnomo v'rashchivanii gibridov belygi 

 sosterlydy. Vses. Nauchno-Issled. Inst. Morsk. 

 Rybn. Khoz . Okeanogr. , 52 p. 



1202. , and G.V. Shpilevskaya. 1959. Recurrent hybrids 



of the sterlet and sturgeon compared with the original 

 forms. Dokl. Akad. Nauk. SSSRTransl. 125 (3 ): 646-649 

 in Russ., p. 282-285 in Engl. 



1203. Noakes, D.L.G. 1980. Social behavior in young charrs . 



In E.K. Balon (editor), Charrs, salmonid fishes of 

 the genus Salvelinus , p. 683-701. W. Junk, Hague, 

 Netherlands . 



1204. Nogusa, S. 1960. A comparative study of the chromosomes in 



fishes with particular considerations on taxonomy and 

 evolution. Mem. Hyogo. Univ. Agric. Biol. Ser. 3, 

 3(l):l-62. 



1205. Norman, J.R. , and P.H. Greenwood. 1963. A history of 



fishes. 2d ed. Ernest Benn Ltd., Lond. , 398 p. 



1206. Normandeau, D.A. 1962. Microhaematocrit values for some 



salmonids reared in New Hampshire. Prog. Fish-Cult. 

 24(4):172-176. 



1207. Nosal, A.D. 1967. Sozdanie gibridakh form sigorkh dla 



promyschlennogo vyrashivaniy vo viatreinny goloemay 

 okrainy. Rybn. Khoz. (Kiev) 3:94-101. 



1208. Novotny, A.J. 1972. The marine culture of vertebrates. 



In Aguaculture-potential in the maritimes region, p. 38-53< 

 Proc. Symp. Sponsored Jointly by Fed. Dep. Fish 

 and Can. Soc. Environ. Biol., Halifax, Nova Scotia, 

 25 April 1972. 



1209. . 1975. Net-pen culture of Pacific salmon in 



marine waters. Mar. Fish. Rev. 37(l):36-47. 



1210. , and C.V.W. Mahnken. 1971. Farming Pacific salmon 



in the sea: From the "womb to the tomb". Part 1. 



Fish Farming Ind. 2(5):6-9. 



1211. Numann, W. 1964. Formenkreise des italienischen, jugosla- 



wischen und adriatischen Forallen, zugleich ein Beit- 

 rag uber den Wert einiger meristscher merkmale fur 

 Artund Rasseanalysen. Schweiz Z. Hydrol . 26(1): 

 102-146. 



1212. Nursall, J.R. 1974. Character displacement and fish 



behavior, especially in coral reef communities. 

 Am. Zool. 14:1099-1118. 



103 



