igoo] Seton-Thompson — Rangifer Dawsoni. 261 



(730 mm.); girth of antler at base above the burr, 4% inches 

 ( I 20 mm.) 



In figfures 2, length from the point of the occiput A to the 

 posterior point of the nasal bones B, 6j^g^ inches (166 mm.); great- 

 est width across the orbits C. D. 6 inches, (153 mm.). 



My thanks are due to Dr. J. A. Allen, of the American Mu- 

 seum, for the opportunity to compare its skull with that of its 

 giant relative Rcuigifer montaniis. 



DESCRIPTION OF A NEW SPECIES OF CALCAREOUS 

 SPONGE FROM VANCOUVER ISLAND, B.C. 



Bv Lawrence M. Lambe, F. G. S. 



Leucandra Taylori. ( Sp. nov.) 



Sponge small, solitary, sessile, nearly spherical, terminating 

 above in a well developed oscular fringe. Surface hispid, owing 

 to the presence of projecting, stout oxea The three specimens 

 representing this species are of about the same size and shape, the 

 one figured (figs, a and b) measuring 4.5 mm. in breadth and 

 about 6 mm. in height, including the oscular fringe, which has a 

 length of a little over i mm. 



The walls of the sponge are thick and the gastr'al cavity is 

 cylindrical and narrow, being slightly less than i mm. in width. 

 The inhalent pores are scattered on the dermal surface and the 

 flagellated chambers (/ c, fig. c) are small, averaging about .06 

 mm. in width, rounded and disposed irregularly in the wall. The 

 exhalent canals leading into the gastral cavity have not been sat 

 isfactorily seen. 



Skeleton. — The skeleton consists of triradiate spicules of the 

 parenchyma, of gastral triradiate, of dermal triradiate and large 

 oxeote spicules, of slender, linear, dermal spicules and slender ox- 

 eote spicules of the oscular fringe. 



/. Triradiate spicules oj the parenchyma. — Slightly sagittal; 

 the basal ray straight, up to about .117 mm. long, the 



