272 ALOUATTA 



Alouatta palliata metagalpa Allen, Bull. Am. Mus. Nat. Hist., 

 1908, p. 670. 



MANTLED HOWLER. 



Type locality. Shores of Lake Nicaragua. 



Geogr. Distr. Nicaragua, Costa Rica, Panama, Central America. 

 Type in Paris Museum. 



Genl. Char. Face naked ; hairs on forehead short, stiff, upright ; 

 those on back of head longer ; beard moderate. 



Color. Head, throat, shoulders, arms, legs, hands, feet and tail 

 black, with a tinge of maroon ; middle of back and upper part of sides 

 black mixed with golden ; lower parts of flanks, hairs much lengthened, 

 yellowish brown, base of hairs much paler; under parts very sparsely 

 covered with dark chestnut hairs. Ex type British Museum. Some 

 specimens are entirely black. 



Measurements. Total length, 1,142; tail, 585; foot, 145. Skull: 

 occipito-nasal length, 98; intertemporal width, 40; palatal length, 42; 

 breadth of braincase, 51 ; median length of nasals, 20; length of upper 

 molar series, 33 ; length of mandible, 90 ; length of lower molar series, 

 40. Ex type British Museum. 



The type locality of this species is the shore of Lake Nicaragua, 

 as stated by Salle to Sclater, (1. c.) and A. p. metagalpa Allen there- 

 fore becomes a synonym. 



Alouatta palliata mexicana Merriam. 



Alouatta palliata mexicana Merr., Proc. Biol. Soc. Wash., XV, 

 1902, p. 67; Allen, Bull. Am. Mus. Nat. Hist., N. Y., 1904, p. 

 40 ; Elliot, Mamm. Middle Amer. and West Indies, F. C. M. 

 Pub., IV, Pt. II, 1904, p. 727, Zool. Ser. ; Id. Check-List 

 Mamm. N. Amer. Cont. and W. Indies, F. C. M. Pub., VI, 

 1905, p. 533, Zool. Ser. ; Id. Cat. Mamm. Field Columb. Mus., 

 VIII, 1906, p. 555, Zool. Ser. 



MEXICAN MANTLED HOWLER. 



Type locality. Minatitlan, State of Vera Cruz, Mexico. Type in 

 United States National Museum. 



Geogr. Distr. Eastern Mexico. 



Genl. Char. Similar to A. palliata, but smaller; rostrum 

 narrower, teeth small ; coronoid process broadly rounded. 



Color. Similar to A. palliata. Forehead, limbs, upper part of 

 throat, rump and tail black ; occiput and entire upper parts to rump 



