A MONOGRAPH OF THE BATS OF NORTH AMERICA. 143 



Lasiunis novcboravcnsis Tomes, Proc. Zofil. Soc. Loudon, 1857, 31. 



VesjyertiHo lasiurus Gme]. Liun. Syst. Nat., 1788; .S(;hreb. Sang., 1826; Geoff. Annal. 

 (In Mus., Paris, viii, 1806, 200, f. 6 ; Desui. Mauini., 1820, 142 ; Fisch., Synop. Mam., 



1829, 109. 



Nyctiajiis lasiKnis Wagner, Schreb, Silugeth., Snppl., v., 1855, 772. 

 J'csprriniorKheUni Palisot <lc Beaiivois, Cat. Peale's Mus., 179(), 204. 

 VeiipertiUo I'iUosiasimus* Geoif., Auual. du Mus., Paris, a'iii, 1806, 478; Desmarest. 

 Maui., 1830, 143; Fischer Syuop. Mamm., 1829, 110; Rengger, Siiugeth. Parag., 



1830, 83; Waguer, Schreb., Siiugeth., Suppl. i, 1840, 536. 

 VvspertUio monachits Raf., Amer. Mouth. Mag., iv, 1817, 445. 

 res2}criilio tessclatus, Ibid., Amer. Mouth. Mag. iv, 1817, 445. 

 Taphyzous rufits Harlan, Fauna Amer., 1825, 23. 

 Vespertilio riiftis Warden, Descript. United States, v. 602. 



Lasiunis riifus Gray, List. Mam. Brit. Mus., 1843,32; Gosse, Naturalist iu Jamaica, 



1851, 280. 

 VespertiUo blosseivillii Lesson et Garn ot, Bull, des Sci. Nat., viii, 95; Fisch. Syuop. 



Mam., 1829, 110; La Sagra, Hist, de ITle de Cuba, 1840, 6, pi. i, f. 4, 5, 6, 7, 8. 

 VesptrtiVw bonariensis Lesson, Voy. de la Coquille, i, 1829, 137. 

 NyclicejiiH ranis Poeiipig, Reise Chili, i, 1835, 451 ; Wagner, Suppl. Schreb. Siiugeth., 



I, 1840, 547; Gay, Hist, de Chili (ZooL), i, 1848, 37. 

 Atalapha Mexicana Saussure, Revue et Mag. de ZooL, xiii, 1861, 97. 

 Atalapha varia Peters, MB. Akad. Berlin, 1870, 909. 

 Atalapha frantzii Peters, MB. Akad. Berlin, 1870, 908. 

 Atalapha pfeipvi Gundlach, MB. Akad. Berlin, 1861, 152. 

 Atalapha novehoracenftis Peters, MB. Akad. Berlin, 1870, 908; Dobson, Cat. Chirop. 



Brit. Mus., 1878; Coues, Jordan's Man. N. A. Yert.; Alston, Biol. Central- 



Amer., 1879-1882, 22; Coues and Yarrow, Wheeler's Expeditiou, Zoiil., 1875. 



1875. 

 New York Bat. Penn. Syn. Quad., 1771, 367. Eucylcoped. Methodique. (Dau- 



beuton), 1783, fig. ; Penn. Arct. Zo.il., 1792, 184; Kirtland, Zoiil. Report 18—, 175, 



Emmons, Mass. Report, 1840, 9. 

 Red Bat. Wilson Oruith., vi, 50, f. 4. 



Diagnosis. — Much smaller tbau A. cinerea, which it otherwise closely 

 resembles. The hair is reddish with fawn and chocolate variants. 

 There is no clumi) of hair above the dorsal aspect of the elbow, and the 

 forearm measures from 36""" to 38"'"^ The border of the auricle is brown 

 and the external basal lobe is notched. 



The phalanges in each digit, Avith the exception of the first, nearly the 

 same length. 



Themanal formula is as foHows: 



-t^.rCt) J J^r'^-C^fx^ 7 Alilliiupters. 



EJRst interspace 10 



S«c»nd intersiiace 33 



Difference 23 



Forearm 37 



" The tragus in this .species is described by its proposer as subulate. The hair ex- 

 tends on the dorsum of interfemoral membrauc. But it is not mentioned to what 

 degree. The membrane.3 are pictose. The form is (]iiito as likely to be a variety of 

 V. albescens as one of Atalapha. (See i>. 87.) 



