92 STOEY OP THE REPTILES 



, These Professor Cope called " Theromorphs " or 

 beast-forms, because their teeth were so very much 



Fig. 48. — Dicynodon lacerticeps. 



like those of some modem mammals (or beasts). The 

 grinding teeth here first began also to show cusps or 



more points than one. Loe- 



FiG. 49. — Lycosaurns. 



Iwps, a terribly clawed carnivorous fossil reptile, had 

 teeth that were serrate (saw-toothed). 



I» the crocodilians, the teeth grow much as in 

 some of the old monsters. They come up out of the 



