MAMMALS COLLECTED IN SIAM. 385 
Northern specimens [of minor] from Chiengmai and Nan can hardly 
be distinguished from C. badiws but they vary considerably among 
themselves.” As no two forms of Cannomys seem to occur to- 
gether it is possible that all are only geographical races of one 
species. 
IT have not got Gray’s original description of minor but 
Horsfield! speaks of the type as “uniformly brown with a slight deep 
chestnut reflection” though Anderson? says of it and of a Cambo- 
dian (?) specimen in the British Museum obtained by Mouhot “dark 
sooty-brown, slightly tinged with deep umber which is most distinct 
on the sides of the head and neck and in reflected lights, but is least 
marked in the Cambodians specimen. The under parts are like the 
upper only the brown is almost absent.” : his coloured plate ( XV ) 
agrees with this. 
My seven examples, however, which, appear to belong to one 
form oniy, though obtained over a fairly wide area, by their colour 
much more resemble descriptions of the animal accepted as badius,” 
also describe and figured by Anderson 3, but their skulls resemble the 
skull from Cambodia ( ? lege Petchaburi, W. Siam ) figured by him 
as minor, and I think it best, therefore, to record all by that name. 
Gyldenstolpe bases the name C. m. lonnbergi on two speci- 
mens from Eastern Siam collected near the locality whence came my 
two animals; they are notably smaller than the latter—consider- 
ably smaller in fact than any example of Cannomys yet recorded — 
and their colour is described as generally “slaty grey with a 
longitudinal white band down the crown. From the chin down 
the throat a narrow white line” They were originally recorded as 
minor and it was then said of them that they “seem to be full 
grown” and later the specimen chosen as the type of lonnbergi was 
said to be adult: One of my series, the sub-adult male from 
1 Cat. Mamm. Mus. East Indian Co., p 165 (1851 ) 
2 Op. cit. p. 328 
3 Op. cit. p. 329, pl. XIV. 
+ The only specimen in the British Museum obtained by Mouhot 
is said by Thomas to have this provenance, and is probably that 
referred to by Anderson as stated to have come from Cambodia. 
Op.cit., pl. XVI, figs.7, 8; 9. 
i 
VOL. III, No. 4, 1919. 
