196 



ON THE LINGUAL DENTITION OF SOME WEST 



with simple inconspicuous cusps ; 2nd or outer more conspicuous, with recurved claw-shaped 



cusps 



?ffusa, magnified 



medians 



A.urceus; central dentations strong, with three smaller obtuse ones on each side; Is/ laterals 



and claw-shaped. Band T ^ of an inch long. 

 Pig. 1 1. Maris a cornu-arietis y magnified 60 diameters. 3.1.3. 



fy 3rd laterals 



a 



with three dentations on each side of a strong acute central point ; 1st laterals recurvate, claw- 



shaped, with three dentations on the inner side of a longer central tooth ; 



$ 



b 



ifusa 



Mandible very similar to 





■ 



