438 JAS. P. HILL. 



List of Papkrs referked to. 



1. Hill, J. P. — "Preliminary Note on the Occurrence of a Placental Con- 



nection in Perameles obesula, and on the Foetal Membranes of 

 certain Macropods," ' Proc. Linn. Soc.,' New South Wales, vol. x, 

 (2nd ser.), part 4, 1895. 



2. Selenka, E. — " Studien iiber Eutwickelungsgeschichte der Thiere," IV 



(1 and 2), Das Opossum (Didelphys virginiana) ; V (1), Beutel- 

 fuchs und Kanguruhratte (PhalangistaetHypsiprymnus). Wiesbaden, 

 1886-91. 



3. Caldwell, W. H. — " The Embryology of Monotremata and Marsupialia," 



Part I, ' Phil. Trans.,' vol. clxxviii B., 1887. 



4. MiNOT, C. S.— " Uterus and Embryo : (1) Rabbit, (2) Man," ' Journ. 



of Morphology,' vol. ii, 1889. 



5. Duval, M. — " Le Placenta des Rongeurs," ' Journ. de I'Anat. et de la 



Physiologic,' tome xxv, 1889. 



6. MiNOT, C. S. — " A Theory of the Structure of the Placenta," ' Anat. 



Anz.,' Bd. vi, 1891. 



7. HuBEECHT, A. A. W. — "Studies in Mammalian Embryology. III. The 



Placentation of the Shrew (Sorex vulgaris, L.)," 'Quart. Journ. 

 Micr. Sci.,' vol. xxxv, 1894. 



8. Semon, R. — "Die Embryonalhiillen der Monotremen und Marsupialer," 



' Zoologische Forschungreisen in Australien und dem Malayischen 

 Archipel.,' Bd. ii. 



9. HuBKECHT, A. A. W. — "Studies in Mammalian Embryology. I. The 



Placentation of Erinaceus euro p sens, with Remarks on the 

 Phylogeny of the Placenta," ' Quart. Journ. Micr. Sci.,' vol xxx, 1890. 



10. Fleischmann, a. — " Embryologische Untersuchuugen." Heft 1. ' Un- 



tersuchungen iiber einheimische Raubtiere,' Wiesbaden, 1889. 



11. OsBOBK, H. F. — "The Fcetal Membranes of the Marsupials," 'Journ. of 



Morphology,' vol. i, 1888. 



12. Caldwell, W. H. — " On the Arrangement of the Embryonic Membranes 



in Marsupial Animals," 'Quart. Journ. Micr. Sci.,' vol. xxiv, 1884. 



13. HxJBKECHT, A. A. W. — " Spolia Nemoris," ' Quart. Journ. Micr. Sci.,' 



vol. xxxvi, 1895. 



14. Veenhout, J. H. — ' Bijdrage tot de Keunis der Placentatie van den mol 



(Talpa europsea, L.),' Diss., Amersfoort, 1894. 



15. Steahl, H. — " Placenta und Eihaute," ' Ergebn. der Anat. u. Eutwickel- 



ungsgesch. von Merkel u. Bonnet,' Bd. i, 1S91. 



