CHILONATALIS. THYROPTERA. 637 



600. tumidifrons (Chilonatahis!), Miller, Proc. Biol. Soc. Wash., xvi, 



1903, p. 119. 

 WATLING'S ISLAND BAT. 



Type locality. Cave near Sandy Point, at the southwest corner 

 of Watling's Island, Bahamas. 



Genl. Char. Frontal gland extending from middle of forehead 

 nearly to end of muzzle and rising 5 mm. above level of eye. Skull 

 and teeth essentially as in C. micropus. 



Color. Cream buff clouded on the upper parts with broccoli 

 brown; ears light yellowish brown, edges darker; membranes dark 

 brown. 



Measurements. Total length, 87; head and body, 40; tail, 47; 

 tibia, 18; foot, 7; forearm, 32; thumb, 5; second ringer, 34; third 

 finger, 65; fourth finger, 48; fifth finger, 49; ear from meatus, 14; 

 from crown, n ; width, 16. Skull: greatest length, 15.8; basal length, 

 14; basilar length, 13; zygomatic breadth, 7.4; greatest breadth of 

 braincase, 6.6; mandible, 11.4; maxillary tooth row exclusive of inci- 

 sors, alveolar border, 6.8; mandibular tooth row exclusive of incisors, 

 alveolar border, 7. 



136. Thyroptera. 



T 2-2. pl^. p 3JZ3. AT 3=3 _ -O 



1 '3-3' U M ; F< 3-3' M -3-3-~ 3b - 



Thyroptera Spix, Simiar. et Vespert. Brasil., 1823, p. 61. Type 



Thyroptera tricolor Spix. 

 Hyonycteris Licht. & Peters, Monatsb. K. Preuss. Akad. Wiss. 



Berl., 1854, p. 335. 



Size small; tail long; wing membrane from ankle, very thin; calcar 

 very short; no nose-leaf; muzzle lengthened; crown elevated; base of 

 thumbs and soles of feet with hollow suctorial disks ; tail extending 

 slightly beyond interfemoral membrane; middle finger with three 

 phalanges. 



601. discifera (Hyonycteris), Licht. & Peters, Monatsb. K. Preuss. 

 Akad. Wiss. Berl., 1854, p. 336. Miller, Proc. Biol. Soc. 

 Wash., x, 1896, p. 109. 

 DISK-BEARING BAT. 



Type locality. Puerto Caballos, District of Cortez, Honduras, 

 Central America. 



Geogr. Distr. Honduras, south to South America. 



Genl. Char. Size very small; ear small, funnel-shaped, much hid- 



