DASYPIDiE. ARCTOPITHECtJS. 291 



AKCTOPITHECUS. 



Teeth :— Iueisors £2 ; Canines ?£? ; Molars ^ ; =18. 



0-0 ' ~«*m 4 _j 



Arctopithecus gnlaris. 

 Gray, Proc. Zool. Soc. 1849, p. 70. pi. 11. fig. (lower jaw). 

 Li-jidvpus tridactylus ,var., CVr.,0.ss.Foss.v. tab. 5. figs. 1-3, cop. Can., 

 titiun) St 7 °' fig ' la *~ 0wt ' w ' 0dont - P 1 - 81. fig. 3 (den- 

 Cervical vertebra; 9 



Dorsal 15 



Lumbar 3 



Sacral 7 



Caudal * 8 or 9 



*a. Skull. Bolivia. From Mr. Bridges' Collection. 

 b. Skeleton: young. 



Arctopithecus marmoratus. 



Gtvy, Proc. Zool. Soc. 1849, p. 71. pi. 11. fig. 3 (lower jaw, adult), 

 tig. 4 (hall-grown). J 



Bradypus tridactylus guianeiisis, Blainv., Osteog. G. Bradypus, tab 3 

 (skull).— Spur, Cephalog. tab. 7. fig. 12 (skull). 



Bradypus cuculliger, Rapp, Edentaten, taf. 3. fig. 1 (skull). 



a. Skull: adult. ) a . 



b. Skull : half-grown. J b ' Ameri «*- From Mr. Stevens's sale. 



Arctopithecus flaccidus. 



Gray, Proc. Zool. Soc. 1849, p. 72. pi. 11. fig. 1 (adult), fig. la (voun* 

 skull). ° VJ ° 



*a. Skull. Venezuela. From Mr. Dyson's Collection. 

 6. Skull. Para. Presented by J. P. G. Smith, Esq. 



Arctopithecus blainvillii. 

 Gray, Proc. Zool. Soc. 1849, p. 71. pi. 11. fig. 2 (skull). 

 Bradypus tridactylus, Cue, Oss. Foss. v. pi. 4 (skeleton), pi. 5 (skull) 

 Bradypus tridactylus brasiliensis, Blainv., Osteog. tab. 2 (skeleton). 

 tab. 3 (skull). ' 



Cervical vertebras 9 



Dorsal 16 



Lumbar 4 



Sacral q 



Caudal H 



a. Skeleton. Brazils. From Mr. Becker's Collection. 



b, c. Skulls. S. America. Presented by the Zoological Society. 

 d. Skeleton. Guiana. From Mr. Brandt's Collection. 



? e. Skeleton : very young. From the Zoological Society's Col- 

 lection. 



v2 



