ALOUATTA. AOTUS. 533 



VILLOUS HOWLER. Mono in Guatemala. 

 Type locality. Brazil. 



Geogr. Distr. Guatemala and Honduras, Central America, into 

 South America. 



1297. Alouatta palliata (Gray). 



Mycetes palliatus Gray, Proc. Zool. Soc., 1848, p. 138, pi. vi. 

 Alouatta palliata Elliot, Mamm. Middle Amer. & W. Indies, 



F. C. M. Pub., iv, Pt. n, 1904, p. 726, fig. cxxxvin. Zool. Ser. 

 MANTLED HOWLER. Congo in Costa Rica; Congo, o'Mono Chilian in 



Nicaragua. 



Type locality. Caracas, Venezuela. 

 Geogr. Distr. Nicaragua to South America. 



ft. .J/tHiftf-fft j)ft//ifitfi nic.vicd ixt Merriam. 



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

 1902, p. 67. Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., iv, Pt. n, 1904, p. 727. Zool. Ser. 

 MEXICAN HOWLER. 



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

 Geogr. Distr. Eastern Mexico. 



b. ,llontt<t ])llittt coilx-nxis Thomas. 



Alouatta palliata coibensis Thomas, Novit. Zool., ix, 1902, p. 135. 

 Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. Pub., iv, 

 Pt. n, 1904, p. 727. Zool. Ser. 

 ISLAND OF COIBA HOWLER. 



Type locality. Coiba Island, off west coast of Panama. 

 Geogr. Distr. Restricted to Coiba Island. 



Subfamily II. Aotinse. Squirrel Monkeys. 

 Genus 218. Aotus. 



Aotes Humboldt, Rec. d'obs. Zool. et Anat. Comp., i, 1811, pp. 

 306-311, 358, (for Aotus) pi. xxvin. Type Simia trivirgata 

 Humboldt. 

 Nyctipithecus Spix, Simiar. et Vespert. Bras., 1823, p. 25. 



1298. Aotus rufipes (Sclater). 



Nyctipithecus rufipes Sclater, Proc. Zool. Soc., 1872, p. 3. 



Aotus rufipes Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. 



Pub., iv, Pt. n, 1904, p. 729, figs. 165 (Aotus azartz), cxxxix. 



Zool. Ser. 



