546 



ZOOLOGY 



SECT. 



polyprotodont. In the former (Figs. 1199, 1200) the two anterior 

 incisors are large and prominent, the rest of the incisors and the 

 canines being smaller or absent. ^On the other hand, in the poly- 



FIG. 1200. Teeth of Great Kangaroo (Macrovus major). (After Owen.) 



FlO. 1201. Front view of the skull of Tasmanian Devil (Sarcophilus ursinus), showing 

 polyprotodont and carnivorous dentition. (After Flower.) 



FlO. 1202. Teeth of upper jaw of Opossum (Didelphys marsupialis), in all of which there 

 is no succession except in the last pre-inolar, the place of which is occupied in the 

 young animal by a molariform tooth represented in the figure below the line of the other 

 teeth. (After Flower and Lydekker.) 



protodont forms (Figs. 1201, 1202), which are all more or less 

 carnivorous, the incisors are numerous and sub-equal and the 

 canines large. There are typically three pre-molars and four 



