ARCTIC WALRUS. 237 



to a subspiral twist : there is also a difference in 

 the position of the tusks in the two animals ; those 

 of the variety figured in Captain Cook's voyage 

 curving inwards in such a manner as nearly to meet 

 at the points, while those of the former divaricate. 

 These differences appear very striking on collat- 

 ing different heads of these animals. Something 

 may,, however, be allowed to the different stages 

 of growth as well as to the difference of sex. In 

 order that these differences may be the more 

 clearly understood, we have figured both varieties 

 on the annexed plates ; and, as a farther illustra- 

 tion of the subject, we shall give, in the celebrated 

 navigator's own words, the description of a herd 

 of Walruses on a floating mass of ice in the above- 

 mentioned latitude. 



" They lie, in herds of many hundreds, upon 

 the ice; huddling one over the other like swine; 

 and roar or bray very loud; so that in the night, 

 or in foggy weather, they gave us notice of the 

 vicinity of the ice, before we could see it. We 

 never found the whole herd asleep, some being 

 always upon the watch. These, on the approach 

 of the boat, would wake those next to them ; and 

 the alarm being thus gradually communicated, 

 the Avhole herd would be awake presently. But 

 they were seldom in a hurry to get away, till 

 after they had been once fired at. Then they 

 would tumble one over the other into the sea in 

 the utmost confusion. And if we did not, at the 

 first discharge, kill those we fired at, we generally 

 lost them, though mortally wounded. They did 



