44 ; POPULAR OFFICIAL GUIDE. 
REDUNCA ANTELOPE. 
ishes in size and in antlers, until in Mexico it becomes a 
small and delicate creature, with very small and light antlers 
bearing only two or three small tines. The next form has so 
widely diverged from the original type that it is necessary 
to accord it rank as a full species. 
The Sinaloa White-Tailed Deer, (Odocoileus sinaloae), is 
still smaller and weaker than the preceding. Our pair of 
specimens shown was obtained by Mr. and Mrs. C. William 
Beebe, in the State of Guadalajara, Mexico, and are highly 
interesting as a link near the lower terminus of the Odocoi- 
leus chain. On a majority of the antlers of this species 
there are no branches whatever, but simply a weak main 
beam, curving over at the tip, and terminating in a rounded 
point. 
It should be noted here that the White-Tailed Deer group, 
(Odocoileus), is very well represented in South America by 
O. weigmannt of the Guianas. 
The Marsh Deer, (Blastoceros paludosus), of eastern 
South America, is the largest South American deer. Our 
first specimen was obtained in 1904. Its antlers are strong- 
ly built but short, and in architecture resemble the antlers 
of a Siamese species known as Schomburgk Deer, (Cerzvus 
schomburgkt) ; but the latter has on each beam three double 
bifurcations, while the former has but two. The Marsh 
Deer has very large, wide-spreading hoofs, which it would 
