152 PROCEEDINGS OF THE PALEONTOLOGICAL SOCIETY 



Matthew was requested by the chair to act as secretary. The following 

 papers were submitted : 



MEOALOCNUS AND OTHER CUBAN OROUND-SLOTHS 

 BY CARLOS DE LA TORRE AND W. D. MATTHEW 



(Abstract) 



Four genera of ground-sloths are represented in the Cuban Pleistocene col- 

 lections made by La Torre, Brown, and Moreno. The largest and most abun- 

 dant is Megalocnus Leidy, of which the complete skeleton has been articulated 

 and mounted. The other genera, Mesoonus. Miocnus, and Microcnus, are 

 smaller animals, the last no larger than a woodchuck. Although well distin- 

 guished, they form a related group, their nearest continental allies being 

 Megalonyx of Pleistocene North America and Euehotocops of Miocene South 

 America. Affinities to the modern tree-sloth Choluepus are not to be excluded 

 for the smaller genera. 



AFFINITIES OF HY0P80DU8 

 BY W. D. MATTHEW 



(Abstract) 



Jaws of Hyopsodus are very common in the Eocene, but skulls and skeleton 

 parts are rare. The zoological position of this small mammal has been much 

 questioned. It has been referred by different authors to the Suillines, to the 

 Primates, to the Insectivora. Evidence is now brought forward for its refer- 

 ence to the order Coudylarthra. 



NEW EVIDENCE OP THE AFFINITIES OF THE MULTITUBERCVLATA 



BY WALTER GRANGER 



(Abst7-act) 



These Mesozoic and early Tertiary mammals have been regarded by some 

 authorities as Marsupials, by others as Monotremes. Additional and more 

 complete skeleton material from the Paleocene of New Mexico indicates that 

 they are not nearly related to either, but are probably entitled to rank as a 

 distinct primary division of the Mammalia, equivalent in evolutionary stage 

 to the Marsupials, but not closely related, and more remote from either Mono- 

 tremes or Placentals. 



The paper was discussed by Messrs. Gidley, Gregory, Osborn, and 

 Matthew. 



The meeting then adjourned. 



