SYNOTUS. 



63 



Skull. — Rather large. Cranium inflated ; a small median de- 

 pression on the face. No occipital crest. 



Dentition. ' 



4 15 



Incisors — . Canines — Molars 36 teeth. 



6 1 6~ 



Molars — Canines — 

 6 1 



Upper Jaio. — Incisors separated by a median space. The 

 centrals larger than laterals, converging, not bifid. The late- 

 rals very small and simple. Canines moderate, with a minute 

 basal cusp anteriorly. First premolar very small ; second with 

 a large external and small internal cusp. The molars not 

 peculiar. 



Lower Jaw. — Incisors minutely trifid. Canines with a minute 

 basal cusp anteriorly. Of the premolars the first and second are 

 small, and about equal ; the third much larger though simple. 



Synotus luacrotis, Allen. 



The Big-eared Bat. 



Fig. 61. Fig. 62. 



Plecotus macrotis, Leconte, Cuv. Animal Kingdom (McMurtrie ed.), Appen- 

 dix I, 1831, 431. 

 Plecotus lecontii, Cooper, Ann. Lye. N. Y. IV, 1837, 72. 

 Synotus lecontii, Wagner, Schreb. Siiqif. V, 1855, 720. 



