318 



PROCEEDINGS OF THE ACADEMY OF 



[1898. 



straight to highest point about over middle of brain case. Frontal 

 region with a broad longitudinal groove running from between post- 

 orbital processes to within about 3 mm. of tip of rostrum. Post- 

 orbital processes well-developed, about 4 mm. long. Extent of bony- 

 palate behind molars equal to distance between second premolars. 



Teeth. — Upper incisors in pairs, the outer tooth slightly smaller 

 than the inner. First upper premolar about as large as inner in- 

 cisor, occupying less than half the space between canine and second 

 premolar. Crowns of second and third premolars about equal 

 when viewed from above, the first much the larger when viewed 

 from the side. Molar about equal to third premolar, but with 

 slightly narrower crown. Outer lower incisors distinctly larger than 

 inner, the incisor row slightly bowed outward. First lower premolar 

 more than double as large as first upper premolar, and like it occu- 

 pying the middle of the space between the canine and second pre- 

 molar. Crowns of second and third premolars and first molar sub- 

 equal when viewed from above, but regularly graded in height from 

 before backward when viewed from the side. Second lower molar 

 about one-third as large as first and equal to first premolar. 



TABLE OF MEASUREMENTS OF CYNOPTERUS ANGULATUS. 



Number 



Sex 



Total length 



Tail 



Tibia 



Foot 



Calcar 



Forearm 



Thumb 



Second finger 



Third finger 



Fourth finger 



Fifth finger 



Ear from meatus 



Ear from crown 



Width of ear 



Skull: Basal length 



Basilar length of Hensel 



Greatest length 



Zygomatic breadtb 



Width across postorbital processes 



Width immediately behind postorbital 

 processes 



Length of palate 



Breadth of palate at anterior border of 

 molar 



Upper tooth row exclusive of incisors 



Length of mandible 



Depth of mandible at anterior border of 

 second premolar 



Depth of mandible through angular and 

 coronoid processes 



Lower tooth row 



84491 



25 

 14 



7 

 65 



27 

 24 

 29 

 19 

 12 



6.4 

 13 



6.4 

 10 

 22.6 



2.8 



11.8 

 11 



*Type. 



