394 Descent o£ the Testicle 



14. Martins, T.; Valle, J. R., and Porto, A.: Pfliigers Arch. f. d. gsmt. Physiol. 242:155, 1939. 



15. Martins, T., and Valle, J. R.: Cpts. rd. Soc. de biol. 130: 189, 1939. 



16. Martins, T., and Valle, J. R.: Pfliigers Arch. f. d. gsmt. Physiol. 243:243, 1940. 



17. Martins, T., and Valle, J. P.: Mems. Insto. de Butantan 14: 109, 1940. 



18. Martins, T., and Cavalcanti, T.: Unpublished data. 



19. Hamilton, J. B., and Hubert, G.: Proc. Soc. Exper. Biol. & Med. 39:4, 1938. 



