64 JOURNAL, BOMBAY NATURAL HIST. SOCIETY, Vol. XXVII. 



Distribution : — : . 



1. C 6a(?ms, Hodgson. Type locality:— '^e^pal (Hodgson). 



Other localities: — Daijiling; Khasi 

 Hills ; Manipur (B. M.); Chin Hills, 

 Chindwin (M. S. I.). 



Type :— B. M. No. 43. 1. 12. 61. 



2. C. pater, Thomas. Type locality : — Mt. Popa, Burma. 



(B. N. H. S.— Shortridge). 



Other localities : — Mt. Popa (M.S.I.) . 

 Type:—B. M. No. 14. 7. 19. 231. 



3. C. castaneus castaneus, Type locality: — " Arakan" (?) 



Blyth. (Phajae). 



Other localities : — Thaton, Burma ; 

 Tenasserim (B. M.). 



Co-types : — Ind. Mus. Calc. Nos. I. 

 ■ and m. 



4. C. castaneus plumhescens, Type locality : — Gokteik, N. Shan 



■ Thomas. States (B. N. H. S.— Shortridge). 



Other localities : — N. Shan States 

 (M. S. I.) 



Type:—B. M. No. 14. 7. 8. 78. 



Famil}?- VI. — HYSTEiciDiE. 



The family includes two genera which may be distinguished as 

 follows : — 



Key to the genera of the Hystricid'i'. 



A. — Tail short, clothed with spines, with 



hollow quills at the end ... ... I. Acanthion. 



B. — Tail long, clothed with scales, with a 



tuft of bristles at the end... ... II. Atherurus. 



Gen. I.^ — Acanthion. 



Some years ago Lyon in a paper on Malay Porcupines (Proc. 

 U. S. Nat. Mus. xxxii, p. 575, 1907) revived the name Acanthion 

 for them. In a note, quoted in my Sind Report (J. B. N. H. S. 

 xxiv, p. 757, 1916), Thomas pointed out that that name must 

 equally be applied to the Indian species, in place of Hystrix, as 

 now used. 



The Indian Museum Catalogue 

 No. 315. leucura, C & H. gives no locality for the type of 

 No. 316. hodgsoni, Gray. bengalensis, and I have entirely 



No. 317. bengalensis. Blyth. failed to find any authentic record 



of any other specimen having been 

 taken. I propose to take the general view and regard it as a 

 synonym of hodgsoni. Thomas has quite recently divided off the 

 south Burmese porcupine, under the name of klossi, from brachyurus, 



