PARSONS: REPRODUCTIVE BIOLOGY OF ATLANTIC SHARPNOSE SHARK 



ford Univ. Press, Lond., 343 p. 

 1966. Population studies of birds. Oxford Univ. Press, 



Lond., 341 p. 

 1968. Ecological adaptations for breeding in birds. 

 Methuen, Lond., 409 p. 

 Lopez, A. M„ D. B. McClellan, A. R. Bertolino, and M. D. 

 Lange. 

 1979. The Japanese longline fishery in the Gulf of Mexi- 

 co, 1978. Mar. Fish. Rev. 41(10):23-28. 

 Mahadevan, G. 



1940. Preliminary observations on the structure of the 

 uterus and the placenta of a few Indian elasmobranchs. 

 Proc. Indian Acad. Sci., B, 11:1-44. 

 Mann, T. 



1960. Serotonin (5-hydroxytryptamine) in the male re- 

 productive tract of the spiny dogfish. Nature (Lond.) 

 188:941-942. 

 PlANKA, E. R. 



1978. Evolutionary ecology. Harper and Row, N.Y., 

 397 p. 



Prasad, R. R. 



1944. The structure, phylogenetic significance, and func- 

 tion of the nidamental glands of some elasmobranchs of 

 the Madras coast. Proc. Natl. Inst. Sci. India, Part B, 

 Biol. Sci. 11:282-302. 



Pratt, H. L. 



1979. Reproduction in the blue shark, Prionace glauca. 

 Fish. Bull., U.S. 77:445-470. 



Radcliffe. L. 



1916. The sharks and rays of Beaufort, North Carolina. 

 Bull. U.S. Bur. Fish. 34:239-284. 



SCHLERNITZAUER, D. A., AND P. W. GILBERT. 



1966. Placentation and associated aspects of gestation in 

 the bonnethead shark. Spin/nut tiburo. J. Morphol. 

 120:219-231. 



Simpson, T. H., and C. S. Wardle. 



1967. A seasonal cycle in the testis of the spurdog, Squalus 

 acanthias, and the sites of 3/3-hydroxysteroid dehydro- 

 genase activity. J. Mar. Biol. Assoc. U.K. 47:699-708. 



Skocik, R. 



1969. The sharks around us. Star Publ. Co. Inc., 206 p. 

 Springer, S. 



1938. Notes on the sharks of Florida. Proc. Fla. Acad. 



Sci. 3:9-41. 

 1940. The sex ratio and seasonal distribution of some 



Florida sharks. Copeia 1940:188-194. 

 1950. A revision of North American sharks allied to the 



genus Carcharhinus. Am. Mus. Nat. Hist. Novit. 1451, 



13 p. 

 1960. Natural history of the sandbar shark, Eulamia 



mtiberti U.S. Fish Wildl. Serv., Fish. Bull. 61:1-38. 

 1967. Social organization of shark populations. /« P. W. 



Gilbert, R. F. Mathewson, and D. P. Rail (editors), 



Sharks, skates, and rays, p. 149-174. John Hopkins 



Press, Baltimore. 

 Springer, V. G. 



1964. A revision of the carcharhinid shark genera Scoli- 



odon, Loxodon, and Rhizoprionodon. Proc. U.S. Natl. 



Mus. 115:559-632. 

 WOURMS, J. P. 



1977. Reproduction and development in chondrichthyan 



fishes. Am. Zool. 17:379-410. 



73 



