392 MYEMECOPHAGIDJS. 



2. Tamandua longicaudata. (Yellow Tamandua.) B.M. 



Uniform light ochraceous, with a paler vertebral Hne ; tail nearly 

 double the length of the body, its terminal half covered with small 

 scales and a few scattered black hairs ; ears large, rounded, about 

 one-third the length of the head ; no shoulder-streak. 



Myrmecophaga longicaudata, Wagner; Turner, P. Z. S. 1851, p. 218 ; 



Burm. Thier. Bras. p. 304. 

 Tamandua longicaudata, Oray, P. Z. S. 1865, p. 384. 



Hah. ? (B. M. and Zool. Soc). 



3. CYCLOTHUEUS. 



Toes 2.5; the outer front one much the largest. Pterygoid bones 

 meeting, presenting two long, parallel, and little-prominent crests, 

 and much extended backward, and not forming a canal. Skull short, 

 broad; nose moderate, slender, shorter than the brain-case. The 

 ribs are very broad, dilated, forming a solid armour to the chest, and 

 overlapping each other (see Eapp, t. 5. f. 3, 4, 5). 



Oyclothurus, Oray, lAst Mamm. B. M. ; P. Z. S. 1865, p. 384 ; Turner, 

 P. Z. S. 1851, p. 218. 



1. Cyclotliiirus didactylus. E.M. 



Fulvous, blackish- washed ; feet and tail grey ; longer hairs with 

 minute black tips. 



Myrmecophaga didactyla, Zinn. S. iV. i. p. 61 ; Papp, Edent. p. 15, 

 t. 6. f. 3-6 (skull) ; Blainv. OMogr. t. (skeleton) ; Massmann, De- 

 «m><. 1823, t. l._ ■ 



Myrmecophaga minima, Brisson, R. A. p. 28. 



Oyclothurus didactylus, Lesson ; Oray, Cat. Mamm. B. M. p. 191 ; 

 • P. Z. S. 1865, p. 885. 



Little Ant-eater, Ediv. Glean, i. p. 220, t. 220. 



Fourmilier a deux doigts, Ouv. Oss. Foss. v. p. 103. 



Eab. South America, Brazil. 



2. Cyclothurus dorsaHs. B.M. 



Golden yellow, sUky ; back with a broad, well-defined black stripe ; 

 feet and tail yellow. 



Cyclothui-us dorsalis, Oray, P. Z. S. 1865, p. 385, t. 19. 



Mab. Costa Eica (Salvin). 



The back and sometimes the sides are washed with blackish. Al- 

 ways known by the distract, well-defined, broad dorsal streak, and 

 the yellow colour of the feet and tail. 



