246 HORMONES AND HEREDITY 



TADPOLES, effect of thyroid in, 193- 



197. 



Tandler and Gross, 95. 

 Taxonomies, 1. 

 Teleosteans, 35 ; corpora lutea in, 



143 ; ovarian follicles, 101. 

 Testes, descent of, 147. 

 Tetraploidy, 184. 

 Thayer, 33. 



Thumb-pad of frog, 69. 

 Thyroid-gland feeding, 193-197. 

 Tortoise-shell colour in cats, 117. 

 Tosa fowls, Japanese, 129. 

 Transplantation of gonads, 104. 

 Typhlogobius, 190, 191. 



UHLENHUTH, 190. 

 Urodela, larva, 225. 



VARIATIONS, 41. 



Vespa vulgaris, 19 ; germanica, 19. 



Vries, De, 177. 



WALLART, 100. 



Wasps, 18 ; heredity of sex in, 55. 



Weapons, organs used as, 70. 



Weismann, 16. 



Whale, paddle of, 8. 



White Leghorn, crosses, 48. 



Wilson, E. B., 58, 61. 



Wing, development of,|230. 



Winiwarter, von, 115. 



Witch, 26. 



Wood, T. B., on crossing of sheep, 



107. 



Woodland, W., 148. 

 Woodpecker, 8, 18. 



X chromosome, 58. 



Zeugopterus, 29, 34. 

 I Zoaea, 4. 



Edinburgh : Printed by T. and A. CONSTABLE LTD. 



