SA VIE ET SES TRAVAUX. XXIII 



15. On the early development of the Lacertilia, with some observations on the nature 

 and relation of the primitive Streak (Ibid.,\l\, 1879). 



1C. On certains points in the anatomy of Peripatus capensis (Ibid , XIX, 1879). 



17. On the morphology and systematic position of the Spongida (Ibid., XIX, 1879), 



trad, franc.. (Revue Internationale des sciences, IV, 1879). 



18. A Treatise on comparative Embryology, vol. I, London. Macmillan, 1879. Traduc- 



tion allemande par B. Vetter. lena, Fischer, 1881. Traduction frangaise par H. 

 A. Robin. Paris, J.-B. Bailliere et fils, 1883. 



19. Note on the development of the Araneina (Quart, journ. Micr. Sc., XX, 1880). 



20. On the structure and homologies of the germinal layers of the Embryo (Ibid., 



XX, 1880). 



21. On the spinal nerves of Ampkioxus (Ibid., XX, 1S80). 



22. Larval forms, their nature, origin and affinities (Ibid., XX, 1S"0). 



23. Address to the department of Anatomy and Physiology of the British association for 



the advancement of Science (Brit. Association Reports. Congres de Swansea. 1880). 



24. A Treatise on comparative Embryology. Vol. II. London, Macmillan, 1831. Tra- 



duction allemande par B. Vetter. Idna, Fischer, 1882. Traduction franchise 

 par H. A. Robin. Paris, J.-B. Bailliere et fils, 18S3. 



25. On the development of the Skeleton of the paired Fins of Elasmobranchii consi- 



dered in relation to its bearings on thn nature of the limbs of the Vertebrata 

 (Proceedings of the Zoological Society of London, 1881). 



26. On the evolution of the Placenta and on the possibility of employing the characters 



of the Placenta in the classification of the Mammalia (Ibid., 181). 



27. On the nature of the organ in adult Teleosteans and Ganoids which is usually 



regarded as the head-kidney or pronephros (Quart, journ. micr. Sc., XXII, 1882). 



28. On the anatomy and development of Lcpidosteus (en collaboration avec M. Par- 



ker) (P/iitoso/j/tical Transactions of the Royal Society, 1882). 



29 . A renewed study of the germinal layers of the Chick (en collaboration avec M. Deighton) 



(Quart, journ. micr. Sc., XXII, 1882). 



30. Anatomy and development of Peripatus. Laisse inacheve. 



