882 THE VISCERAL ANATOMY OF THE MARSUPIALIA. 



19. WiNDLE, B., & Parsons, F. — " On the Anatomy of Macropus 



rufus." Jour. Anat. Phys. xxxii., N. S. xii. pp. 119- 

 134. 1898. 



20. Flower, W. H. — " On the Organs of Digestion in Mam- 



malia." Medical Times and Gazette, 1872, pp. 645-647. 



21. Retterer.~C. R. Soc. Biol. vol. 78, p. 535. 1915. 



The papers by Carlsson, Osgood, and myself contain extensive 

 bibliographies. Owen's article on the Marsnpialia in Todd's 

 ' Cyclopaedia of Anatomy and Physiology ' enumerates the older 

 papers. The external characters of the Diprotodonts have been 

 described by Pocock,. P. Z. S. 1921, pp. 591-608. 



