﻿XVI 



SYSTEMATIC INDEX. 



Q. Triconodon, Owen 



FAMILY SPALACOTHERIID^ ... 

 R. Spalacotherium, Owen 



FAMILY AMPHITHERIID^ 



S. Phascolotherium, Owen 



T. Amphilestes, Owen 



U. Amblotherium, Owen 



FAMILY DROMATHERIID^ 



V. Dromatherium, Emmons 



FOSSIL MONOTREMATA 



FAMILY ORNITIIORHYNCHID.E 

 W. Ornithorhynchus, Blumenb. 



I. agilis, DeVis ... 



FAMILY ECHIDNID^ 



X. Echidna, Cuv. 



I. oweni, Krefft 



ORDER MULTITUBERCULATA ... 



FAMILY TRITYLODONTIDiE 



Y. Tritylodon, Owen 



FAMILY BOLODONTID^ 



Z. BoLODON, Owen 



FAMILY POLYMASTODONTID^ ... 



A. POLYMASrODON» Cope 



FAMILY PLAGIAULACID^ 



B. Plagiaulax, Falconer 



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