ON THE PRIMITIVE TYPES OF THE ORDERS OF MAMMALIA 



EDUCABILIA. 



By Prof. E. D. Cope. 



(Read before the American PliilosopMcal Society, April 18, 1873.) 



In the Proceedings of the American Philosophical Society, 1872, p. 

 554, the writer described a species of Quadrumanous Mammal under 

 the name of Anaptomorphus wmulus, comparing its dental and other 

 characters with Simia and Homo* In the American Journal of Science 

 and Arts for November,! 1872, Prof. O. C. Marsh announced that he be- 

 lieved that three genera previously described by him, viz., Thinolestes, 

 Limnotherium and Telmatolestes,\ were referable to the Quadrumana, 

 saying that they "have the principal parts of the skeleton much as in some 

 of the lemurs." Prior to either of these determinations, the author de- 



* Published October 12th, 1872 t Published October 8th, 1872. 



% Published August 7th, 1872. 



