360 emballontjeidjE. 



r, .-.■ T 2—2 1—1 _ 2—2 ft— 3 



Dentition. Inc. -g-, c. j^^, pm. ^^, m. g^. 



Upper incisors in pairs, separated from the canines and also in the 

 middle. 



Range. From Madagascar to the Navigators' Islands ; no species 

 has as yet been discovered in the continents of Asia or Australia. 



Synopsis of the Subgenera and Species. 



I. Nostrils close together in front, opening by 



circular apertures directed forwards ; upper 

 lip projecting more^or less beyond the 

 lower in front ; lower incisors separated on 



each side from the canines Subg. Emballonura. 



a. Inner marghi of the tragus concave. 



a. Calcaneum shorter than the tibia; 



wings from the ankles ; forearm l"-7 . 1. E. semicaudata, p. 360. 

 h. Inner margin of the tragus convex. 

 /3. Calcaneum shorter than the tibia ; 



wings from the feet ; forearm 1"'4 . . 2. E. mouticola, p. 361. 

 y. Calcaneum longer than the tibia ; wings 



from the ankles ; forearm 1"'5 3. ^. atrata, p. 862. 



II. Nostrils widely separated, opening by ellip- 



tical apertures placed obliquely ; upper lip 



not projecting in front ; lower incisors 



filling up the space between the canines . . Subg. Mosia, 

 h. Inner margin of the tragus convex. 



8. Calcaneum shorter than the tibia ; 

 wings from the base of the toes ; fore- 

 arm 1"*45 4. E. nigrescent, p. 363. 



1. Emballonura semicaudata. 



Vespertilio semicaudatus, Peak, United States Expl. E.ip,, Mamtnalia, 



p. 23, pi. iii. fig. 2 (1848). 

 Emballonm'a semicaudata, Wagner, Suppl Schreh. Sdugeth. v. p. 698 



(1856) ; Petei-s, MB. Akad. Bm-l. 1867, p. 480. 

 EmbaUonm'a fuliginosa. Tomes, P. Z. S. 1859, p. 77. 



Muzzle pointed in front, its extremity projecting considerably 

 beyond the lower lip ; nostrils close together, separated by a narrow 

 groove opening almost directly forwards ; lower lip not grooved, 

 but the chin is divided by a vertical furrow in the middle ; ears 

 shorter than the head, their inner margins arising from the fore- 

 head above the eye; lower half of the inner margin of the ear- 

 conch slightly convex, upper half straight, tip narrowly rounded off; 

 outer margin concave in upper one sixth immediately beneath the 

 tip, then straight to a point opposite the base of the tragus, where 

 it is slightly emarginate, terminating in a convex lobe; tragus 

 somewhat expanded above and slightly curved inwards, lower two 

 thirds of the outer margin straight, upper third convex, tip broadly 

 rounded off, inner margin concave. 



