OF THK KOALA AND VULPINE PHALANGER. 5/ i 



12. Smith, G. Elliot. —Journal of Anatomy and Physiology, 



xxxiii. 1898, p. 30. 



13. Young. A. H. — Journal of Anatomy and Physiology, xiii. 



1880, pp. .305-317. 



14. Ziehen, T. — Jenaische Denkschr., Bd. vi. 1897, p. 98. 



15. Symington, J. — Journal of Anatomy and Physiology, xxxiv. 



p. 226. 



16. PouLTON, E. P. — "On the Tongues of the Marsupialia." 



Proc. Zool. Soc. London, 1883, pp. 599-628. 



17. LoNNBERG, E. — "On Digestive Adaptations in the Marsu- 



pialia." P.Z.S. 1902, i. p. 12. 



18. SoNNTAG, C. F. — "A Contribution to the Anatomy of the 



Three-toed Sloth." P.Z.S. 1921, pp. 157-177. 



19. SoNNTAG, 0. F, — "The Tongues of the Cercopithecidae." 



P.Z.S. 1921, pp. 280-281. 



20. HocHSTETTER, F. — Morphol. Jahrb. xx. 1893, p. 626. 



21. Beddard, F. E. — " On the Postcaval Vein and its Branches 



in certain Mammals." P. Z. S. 1909, pp. 496-526. 



22. Hunter, John. — ' Essays and Observations.' Edited by 



Richard Owen. 1861, p. 257. 



EXPLANATION OF THE PLATES. 



Plate V. 



A. The Palate of PhasooJarcios cinerens with the chept-pouches packed with wool 



and pins in the Eustachian Tubes. 



B. The Palate of Trichosurus vulpecula. 



C. The Valate of FseudocJiirus peregrinus. 



Plate VI. 

 The Stomach of Fhascolarctos cinerens. 



A. The interior of the stomach. 



B. The projection of the pylorus into the duodenum. 



