Oc. Papers, Cai,. Acad. Sci., \'oi.. X 



I \'an D) NIU'Ki.H I 



Pi, ATI 4i 



}} eluilerfua niifei tiini, Gil.i Monster 



Head from siile, natural size, showing position of jxjison ylarnl on low fr jaw. 

 Kis. -. l..o\ver jaw Ijones. twice natural size, showing grooved ti-i-ili. 



