236 BULLETIN 178, UNITED STATES NATIONAL MUSEUM 



1710G8. Skin and skull. Adult male. Cerro Azul, altitude 2,500 

 feet, near headwaters of the Chagres River, Panama. March 

 23, 1911. Collected by E. A. Goldman. Original number 

 20995. 



Well-made skin in good condition ; skull Grade A. 



fAlouatta palliata mexicana Merriam. 



Proc. Biol. Soc. Washington 15: 67, Mar. 22, 1902. 

 79398. Skin and skull. Adult male. Minatitlan, Veracruz, Mex- 

 ico, April 23, 1896. Collected by E. W. Nelson and E. A. 

 Goldman. Original number 9551. 



Well-made skin in good condition ; skiiU Grade A. 



Family AOTIDAE: Durukulis, or Night Monkeys 

 Genus AOTUS Humboldt 

 f Aotus zonalis Goldman. 



Smithsonian Misc. Coll. 63 (5) : 6, Mar. 14, 1914. 

 171231. Skin and skull. Adult female. Gatun, altitude 100 feet, 

 Canal Zone, Panama. April 29, 1911. Collected by E. A. Gold- 

 man. Original number 21101. 



Well-made skin in good condition ; skull Grade A. 



Family CALLITRICHIDAE : Marmosets 

 Genus MYSTAX Gray 

 *Midas elegantulus Slack. 



Proc. Acad. Nat. Sci. Philadelphia 13 : 463, ordered printed Dec. 31, 1861. 

 =Mystax rufiventer (Gray). See Thomas, Ann. Mag. Nat. Hist. (ser. 9) 

 9: 198, Feb. 1922. 



- I" . Skin and skull. Adult male. "Amazon River and its tribu- 

 taries." 1851. Collected by W. L. Herndon. 



Skin with terminal two-thirds of tail missing, otherwise in good con- 

 dition ; skull Grade A. 



Type not designated by number. 



Family CEBIDAE : American Monkeys 

 Genus ATELES E. Geoffrey 

 f Ateles dariensis Goldman. 



Proc. Biol. Soc. Washington 28: 101, Apr. 13, 1915. 

 1790-14. Skin and skull. Adult female. Near head of Rio Limon, 

 altitude 5,200 feet, Mount Pirri, eastern Panama. April 29, 

 1912. Collected by E. A. Goldman. Original number 21664. 

 Well-made skin in good condition ; skull Grade A. 



