4T_> PROCEEDINGS OF THE ACADEMY OF [May, 



incisni-s), 8 (7.2); mandible, 15 (14); mandibular toolhrow (ex- 

 clusive of incisors), 8.4 (7.8). 



Specimens Examined. — Sixteen, all from the type locality. 



Remarhs. — As might be expected, the Monophyllm of Santa 

 Lucia is nearly related to that of Barbados, Its larger size and 

 less crowded teeth readily distinguish it. 



