1878.] 



CLASSIFICATION OF THE CERVID.E. 



925 



15. Cariacus rufus. 



1817. Cervtis rufus, F. Cuv. Diet. Sc. Nat. vol. vii. p. 485. 

 Hab. Surinam. Types, Mus. d'Hist. Nat. Paris, ? ad. (No. in 

 Cat. 532), young (No*, in Cat. 527). 



16. Cariacus simplicicornis. 



1827- Cervus simplicicornis, Ham. Sm., Griff. An. Kingd. vol. v. 

 p. 318. 



Hab. Brazil (St.-Hilaire, Lalancle), New Granada {Brooke). 

 Types:— Mus. d'Hist. Nat. Paris, $ (No. 525 in Cat.) ; skull of same, 

 Mus. d'Auat. Comp. Paris (in Cat. 2208) ; skull of 6 collected by 

 St.-Hilaire, in Mus. Anat. Comp. (in Cat. 2225). 



17. Cariacus rufinus. 



185*L. Cervus rufinus, Puch. Arch, du Mus. p. 491, pi. 30 ; id. Rev. 

 Mag. Zool. 18of, p. 561. 



Hab. Ecuador (Pucheran), Guatemala (Salvin). Type, d Mus. 

 d'Hist. Nat. Paris. 



18. Cariacus nemorivagus. 



1817. Cervus nemorivagus, F. Cuv. Diet. Sc. Nat. vol. vii. p. 485. 



Hab. Surinam. Types, stuffed head of <$ and skull of same 

 (Cat. 2223), Paris, in Mus. d'Hist. Nat. and Mus. d'Anat. Comp. 



I append a table of the comparative measurements of the four 

 last-mentioned species. The cranial measurements are taken from 

 adult females. 



From this it will be seen that Cariacus rufus is considerably the 

 largest, and C. nemorivagus the smallest and most delicately formed 

 species. C. rufus is red at all ages, and very heavily built. C. sim- 

 plicicornis is brown when young, never attains so brilliant a colour as 



