OTOPTERUS. PROMOPS. 121 



external border swollen; lower lip grooved, with a small wart on each 

 side of the groove. 



Color. Above and below gray; base of fur white; terminal third 

 fawn. 



Measurements. Total length, 66; tail vertebra, 27; tibia, 20; foot, 

 10: forearm, 22; longest finger, 34: height of ear, 23; tragus, 10. 



Fam. III. IVortilionidae. 



Noctilionidae. Gray, Lond. Med. Kepos., i>52i, p. 299. 



No distinct cutaneous foliaceous appendages surrounding the 

 nostrils which open by a simple valvular aperture at the projecting 

 extremity of the muzzle, which is truncated; ears large, often united; 

 tragi short, expanded above; middle finger with two phlanges; tail 

 partially free, extending beyond the posterior margin of interfemoral 

 membrane, or perforating it and appearing on upper surface. Upper 

 incisors large and separated from the canines. Molars with W- 

 shaped cusps. 



Sub. Fam. I. Molossiuae. 



Tail extending far behind interfemoral membrane; legs short, 

 strong. 



1 15. l*r«)ino|>.s. 



I. tz!; c. ^'; P. ?=?; M. 5::-^ = 30. 



2—2' I— i' 2—2' 3—3 •' 



Promops. Gerv. (nee Spix), Exp. du Comte de Castelnau, Zool. 

 Mamm., 1855, p. 59, pi. xii, figs. 3, 3a. (teeth). 

 Ears close together or united at base of their inner margins; 

 muzzle broad, obtuse or obliquely truncated; lips smooth; tragus 

 short; first and fifth toes thickest, backs of all with long curved hairs. 

 Upper incisors with their cusps close together in front. 



606. californicus. Merr., N. Am. Faun., No. 4, 1890, p. 31. 



Type locality. Alhambra, Los Angeles County, California. 



Genl. Char. Similar to AI. glaiicinus. Ears very large, their 

 bases united in front and projecting beyond muzzle, which is obliquely 

 truncated. No wrinkles on lips, and a glandular swelling in front of 

 each eye. Antitragus twice as long as high. Wings from juncture 

 of middle and distal third of tibia. Posterior border of auricle 

 emarginated; tubercle on interauricular membrane: first upper pre- 

 molar central in space between canine and second premolar. 



Giogr. Distr. Southern California. Exact range unknown. 



