LIST OF TEXT-FIGURES. 

 1902.— Vol. L 



Page 



1. Genital apertures of Nephrops norveffious ■. 4 



2. Genital apertures of Nephrops norvegictts 4 



3. Diao-ram illustrating variation in genital apertures in Neph-op)S 



" • 7 



norvegicus « > ' 



4. Caecum of Trichosurus vulpecula 16 



5. CEecuni of Pseudochirus occidentalis 18 



6. Caecum of Petminis breviceps i^4 



7. The Quagga of the Vienna Museum 33 



8. Odontopus notabilis 4o 



9. Cervical vertebrae of a Girafte 53 



10. Third femur of Tetrathemis hyalinia 71 



11. Second femur of Zygonidia malmjana 74 



12. Third leg of Onychothemis tcstacea /6 



13. Teeth and jaws of Tertiary Voles 103 



14. Teeth of Tertiary Voles, enlarged 105 



15. Teeth of Voles from Forest Bed and Norwich Crag 106 



16. Skull and antlers, with the upper cheek-dentition, of Siberian 



Elk 108 



17. Left fore foot of Dasijptts villosus, ventral surface 128 



18. Right fore foot of Petaurus sciweus, ventral surface 130 



19. Right hind foot of Petaurus sciureus, lateral surface 131 



20. Left fore foot of Nasua narica, ventral surface 132 



21. Left fore foot of Hyrax, ventral surface 134 



22. A Pearl about to become attached to the Shell 150 



23. Cuticle of the Cercaria, in surface view 151 



24. Taj^es decussatus 15* 



25. Evolution of Horns and Antlers 216 



26. Stridulating-organ of Parahitlms Jlavidus 223 



27. Cytliendeis andrewsi 229 



28. Cytherella vesiculosa 230 



29. Lower end of windpipe of male Sarcorhamphus gryphus, front 



view -^^^ 



Proc. Zool. Soc— 1902, Vol. I. h 



