13 



STUDIES IN TASMANIAN MAMMALS, LIVING 

 AND EXTINCT. 



Number I. 



Nototherium mitchelli. 



(A Marsupial Rhinoceros.) 



lierium. mitchelli, Owen, British Association for 

 Advancement of Science, Report 

 1844, p. 



?Zygomaturus trilobus, De Vis, Proceedings Royal S 



of Queensland. 1888, Vol. V., pt. .1 

 p. 111. 



By I!. 11. Scott (Curator, Launceston Museum); and 

 Clive E. Lord (Curator, Tasmanian Museum). 



(Received 3rd May, L920. Read 10th May, 1920.) 



The discovery at Smith ton, during the present year, 

 of a nearly complete i <• Nototherium mitchelli 



forms the occasion for a revision of many of our ideas 

 markable marsupial animals, since 1 1 * - - 

 I ntarv remains hitherto available for study have 

 1 to yield the sequence of evidence we now possess, 

 be only — inf nded to place upon record the 

 hat. Nototherium mitchelli was an extinct marsupial 

 rhino< I that the four genera, Nototherium, Zygo- 



maturus, Euowenia, and Sthenomerus, with their - 

 species, are accordingly under revision — and will later on 

 be dealt with in detail. ma > Material 



; 1 in ibids anything like speculation 



. hut it is within the mark to observe thai two 

 groups of these animals have be □ instinctively felt (by all 

 workers) to have existed, quite irrespective of sex ques- 

 tion- — one a platyrhine and the other a latifrons type, 

 and that it now appears that they were also a horned, and 

 a hornless group, and that Nototherium mitchelli belonged 

 to the former, or cerathine group, and that some other 

 species constituted the acerathine group, in which the 



