1086 



SUBMAMMALIAN VERTEBRATES 



Xiphophorus helleri Heckel. Brit. J. Exper. 



Biol., 3, 43-59. 

 v.AX OoRDT, G. J. 1930. Zur mikroskopischen 



Anatomie der Ovariotestes von Serranus und 



Sargus (Teleostei). Ztschr. mikroskop.-anat. 



Forsch., 19, 1-17. 

 v.^N OoRDT, G. J., AND Klomp, H. 1946. Effects of 



oestrone and gonadotrophin administration in 



the male toad {Bufo biifo). Konink. Nederl. 



Akad. Wetensch., 49, 565-570. 



V.W OORDT, G. J., AND VAN OoRDT, P. G. W. J. 1955. 



The regulation of spermatogenesis in the frog. 

 In The Comparative Physiology of Reproduc- 

 tion and the Effects of Sex Hormones in Verte- 

 brates, I. Chester Jones and P. Eckstein, Eds., 

 Cambridge : University Press. 



VAN WiJHE, J. W. 1881. Bijdragen tot de kennis 

 van het Urogenitaalsysteem der Reptilien. 

 Tijdschr. Nederl. Dierkund. Vereen., 5, 111- 

 120. 



Vaupel, J. 1929. The spermatogenesis of Lebistes 

 reticulatus. J. Morphol., 47, 555-587. 



V.-^YSsiERE, A., AND QuiNTARET, G. 1914. Sur vm 

 cas d'hermaphrodisme d'un Scyllium stellare 

 L. Compt. rend. Acad. Sc, 158, 2013-2014. 



Vivien, J. H. 1938. Sur I'e.xistence de glandes 

 annexes du tractus genital chez le male de 

 Gobius paganeUus L. Compt. rend. Acad. Sc, 

 206, 938-940. 



VoGT, C. 1882. Notice sur un hareng hermaiiliro- 

 dite. Arch. Biol., 3, 255-258. 



VoLS0E, H. 1944. Structure and seasonal varia- 

 tion of the male reproductive organs of Vipera 

 berus (L.). Spolia Zool. Mus. Hauniensis, 5, 

 6-172. 



VON Leydig, F. 1853. Anatomisch-histologische 

 Untersuchungen ilber Fische und Reptilien. 

 Berlin. (Cited by Braun, 1877.) 



vox Leydig, F. 1857. Lehrbuch der Histologic 

 der Menschen und der Wirbeltiere. Frankfurt 

 am Main. (Cited by Stieve, 1933.) 



vox Leydig, F. 1872. Die in Deutschland lebenden 

 Arten der Saurier. Tubingen: H. Laupp. 



voN Mih.4lkovics, G. 1885. Untersuchungen iiber 

 die Entwicklung des Ham- und Geschlechtsap- 

 paratescler Amnioten. Internat. Mschr. Anat. 

 Physiol., 2, 41-62, 65-106, 284-339, 347-385, 

 387-433, 435-485. 



Waldeyer, W. 1870. Eierstock und Ei. Ein 

 Beitrag zur Anatomie imd Entwicklungsge- 

 schichte der Sexualorgane. Leipzig: Wilhelm 

 Engelmann. 



Wallace, W. 1903. Observations on ovarian ova 

 and follicles in certain teleostean and ela.smo- 

 branch fishes. Quart. J. Microscop. Sc, 47, 161- 

 213. 



Ward, J. W. 1957. The reproduction and early 

 development of the sea catfish, Galeichthys fe- 

 lis, in the Biloxi (Mississippi) Bay. Copeia, 

 295-298. 



Waters, A. J. 1940. Some hormonal effects on 

 the sexually dimorphic kidneys of Thamnophis 

 r. radix. J. Tennessee Acad. Sc, 15, 412. 



Weekes, H. C. 1927a. A note on reproductive 



phenomena in some lizards. Proc Linnean Soc 



New South Wales, 52, 25-32. 

 Weekes, H. C. 1927b. Placentation and other 



phenomena in the scincid lizard Lygosoma 



(Hinulia) quoyi. Proc Linnean Soc. New 



South Wales, 52, 499-554. 

 Weekes, H. C. 1929. On placentation in reptiles. 



I. Proc. Linnean Soc New South Wales, 54, 

 34-60. 



Weekes, H. C. 1930. On placentation in reptiles. 



II. Proc Linnean Soc New South Wales, 55, 

 550-576. 



Weekes, H. C. 1934. The corpus luteum in cer- 

 tain oviparous and viviparous reptiles. Proc. 

 Linnean Soc. New South Wales, 59, 380-391. 



Weekes, H. C. 1935. A review of placentation 

 among reptiles with particular regard to the 

 function and evolution of the placenta. Proc. 

 Zool. Soc London, 625-645. 



Weichf;rt, C. K. 1945. Seasonal variation in the 

 mental gland and reproductive organs of the 

 male Eurycea bislineata. Copeia, 78-84. 



Weisel, G. F. 1943. A histological study of the 

 testes of the sockeye salmon {Oncorhync}ii(s 

 nerka). J. Morphol., 73, 207-229. 



Weisel, G. F. 1949. The seminal vesicles and 

 testes of Gillichthys, a marine teleost. Copeia. 

 101-110. 



Weisman, a. I., MiSHKiND, D. I., Kleiner, I. S., axd 

 Co.ATES, C. W. 1937. Estrogenic hormones in 

 the ovaries of swordfish. Endocrinology, 21, 

 413-414. 



Wiedersheim, R. 1886. Elements of the Com- 

 parative Anatomy of Vertebrates. London: 

 Macmillan Company. 



WiNGE, O. 1937. Succession of broods in Lebistes. 

 Nature, London, 140, 467. 



Wolf, O. M. 1928. The effect of mammalian fol- 

 licidar extract on the oviducts of the frog (Rana 

 pipiens Shreber). Anat. Rec, suppL, 41, 41. 



Wolf, O. M. 1939. The effect of testosterone pro- 

 pionate injections into castrate male frogs, 

 Rana pipiens. Anat. Rec, suppl., 75, 55. 



Woodbury, M., and Woodbury, A. M. 1945. Life- 

 history studies of the sagebrush lizard Sce- 

 loporus g. graciosus with special reference to 

 cycles in reproduction. Herpetologica, 2, 175- 

 196. 



Wood-Masox, J., AND Alcock, a. 1891. Further 

 observations on the gestation of Indian rays; 

 being natural history notes from H. M. Indian 

 Marine Survey Steamer "Investigator," Com- 

 mander R. F. Hoskyn. R. N., Commanding. 

 Proc. Roy. Soc. London, 50, 202-209. 



Woodward, S. F. 1933. A few notes on the per- 

 sistence of active spermatozoa in the African 

 night-adder, Caiisiis rhombeatns. Proc. Zool. 

 Soc London, 189-190. 



WoTiz, H. H., Botticelli, C, Hisaw, F. L., Jr., axd 

 RiXGLER, I. 1958. Identification of estradiol- 

 17^ from dogfish ova (Squalus suckleyi). J. 

 Biol. Chem., 231, 589-592. 



Wymax, J. 1854. Observation on the development 

 of Anableps gronovii, a viviparous fish from 



