March 24] ALLEN — THE BARREN-GROUND CARIBOU 105 
tips are carried farther forward. The beam is subcircular in section, with 
occasionally a small tine given off near the end of the proximal half or third 
of the length. The terminal portion is compressed, as usual, and palmate, 
but commonly only a few points are given off from the upper edge, and 
these are comparatively short. Both brow tine and bez tine are greatly 
developed. The large triangular palmation of the former has usually a 
nearly straight front edge, with small and sometimes numerous projections. 
The bez tine is less expanded, but more so than in typical arcticus. 
Color — The summer pelage is of the usual gray above, with a marked 
white eye ring. The winter condition I do not know. 
Measurements.— The type antler measures 1390 mm. on the outside of 
the curve; the brow tine, 360 mm. in length, and 265 mm. in greatest width 
of the palmation. The bez tine is 540 mm. from its upper base to tip of 
longest point, and 230 in greatest breadth. The greatest breadth of the 
palmation at the end of the main beam is 120 mm., and the longest tine at 
that part measures 220 mm. 
Zz 3 
Figs. 2,3.— Rangifer arcticus caboti, tracings from photographs by W. B. Cabot — 
northeastern Labrador. 
Remarks.— A comparison of figures of antlers from the north- 
west coast of Hudson Bay, published by Richardson, Dr. J. A. 
Allen,' and Madison Grant,” and representing true arcticus, shows 
that the latter does not attain the tremendous sweeping curve of 
beam that is rather characteristic of Labrador heads, but instead 
the upward bend of the antler is often at almost an angle with the 
backward portion; nor is the upward curve carried so far forward. 
1 Allen, J. A. The Peary Caribou (Rangifer pearyi Allen). Bull. Amer. Mus. 
Nat. Hist., vol. 24, figs. 7-10, 1908. 
2Grant, Madison. The Caribou. 7th Ann. Rep. N. Y. Zool. Soc., pls. [6, 7], 
1902. 
