EDENTATE BEASTS. 21 



jH* Teeth moderate^ 9 or 10 on each side. Tail nalced, with sunTcen 

 tubercles. Intermaxillaries obliquely truncated behind, the 

 lower margin longer than the up;per. 



5. XENUKUS. 



Head covered with many (50 — 52) bony sMelds, with a single odd 

 shield behind. Ears covered with scales. The central dorsal rings, 

 12 or 13, consisting of 30 — 31 shields. Anterior shield of 7 and hinder 

 of 9 rings of shields. 



1. Xenurus unicinctus, Gray, Cat. Carniv. dc, p. 384. 

 Cabasson, Cuvier, Oss. Foss. vol, v. p. 120, t. xi. f. 7 — 9 (skull). 

 X. verrucosus, Fitz. Sitzungsb. Akad. d. Wissen. Wien. 1871, p. 233. 

 X. loricatus, Fitz. Sitzungsberichte, p. 239 ? 

 X. gymnurus, Fitz. Sitzungsberichte, p. 242. 



The head covered with a number (50 — 52) of shields, arranged in a 

 cross series on the occipital edge, and with one odd shield in front of 

 them, surrounded by six shields, and with five pairs of shields in front 

 of them. Two concentric rows of plates round the central ones, those 

 of the inner series being the largest. Cheeks in front of the eye with 

 three rows of small close shields. Three free rings of shields before 

 the front of the dorsal disk, each formed of equal-sized, well- developed 

 shields. The front zone consisting of five shields, the middle one the 

 largest and the- outer the smallest. The second of six nearly equal- 

 sized square shields, with one or two small round shields on the out- 

 side of them. The third formed of 10 shields, the four central being large 

 and square, and the six of the outer ends smaller, the outermost being 

 very small. The movable zones of the back composed of 30 — 31 

 shields, which often have a thickened margin on each side. The 

 hinder part of the dorsal shield ending in a semicircular notch ; the 

 skin winch covers this part and the base of the tail studded with 

 small, roundish or oblong, distant, immersed, hard tubercles. The ears 

 large, covered externally with close scales, which are larger at the 

 edge. The whole back has a quantity of short hairs projecting be- 

 tween the shields, and the under side of the head and body is covered 

 with long black hairs, which are most abundant on the throat. 



731 b. Animal, stuffed. Head and body, 23 in. 



b. SkuU of " 6," 4i in. ; imperfect. 46, 4, 25, 6. 



S. America, Brazils. Clausen. 44, 3, 7, 1. 



731 c. Animal, stuffed. Head and body, 20^ in. 

 Skull of " c," 3i in. End unperfect. 46, 6, 15, 12. 



D. gymnura, $ , Brandt. 



S. America, Brazils. Brandt. 46, 1, 9, 23. 



731 d. Animal, stuffed. Head and body, 18 in. 

 Dasypus gymnura, $ , Brandt. 

 S. America, Brazils. Brandt. 46, 1, 9, 24. 



731 e. Animal, stuffed ; male. Head and body, 17^ in. 

 731 e. SkuU of "e." End imperfect. 46, 5, 13, 15. 



Brazils. 45, 8, 25, 16. Presented by R. Graham, Esq. 



