156 



THE DEPTHS OF THE SEA. 



[CHAP. iv. 



of Echinus flemingii of unusual size, and as it was 

 blowing fresh and there was some little difficulty in 

 getting the dredge capsized, we gave little heed to 

 what seemed to be an inevitable necessity that it 

 should be crushed to pieces. We were somewhat 

 surprised, therefore, when it rolled out of the bag 

 uninjured; and our surprise increased, and was cer- 



Fio. 27. Calveria hystrix, WYVILLE THOMSON. Two-thirds the natural si/e. (No. 86.) 



tainly in my case mingled with a certain amount of 

 nervousness, when it settled down quietly in the form 

 of a round red cake, and began to pant a line of 

 conduct, to say the least of it very unusual in its 

 rigid undemonstrative order. Yet there it was with 

 all the ordinary characters of a sea-urchin, its inter- 

 anibulacral areas, and its ambulacral areas with their 



