EXPLANATION OF PLATE XXXV. 



FIGUP.E 265. Leptosynapta (Jirardii, (p. 716 ;) anterior part of the body, enlarged one- 



half. 

 266. The sumo; perforated plates from 'the skin, and the " anchors," highly 



magnified. 

 267. Echinarachnius parma, (p. 717 ;) upper surface with the spines partly 



removed, natural size; , ambulaeral zones; fc, interanibulacral 



zones. 



Stronffylocentrottis Drobachiensis, (]>. 716 ;) side view, natural size. 

 -t'/j. Asterias arenieola, (p. 71*:) dorsal view, somewhat reduced. 

 ~ J 70. Ophiopholis uculeata, (p. 719;) dorsal view, about one-half natural size 



.">, 2fit) woro drawn l>y A. E. Verrill ; 207, ~2W wore copied from A. Agas&iz; 2GS, 270 were 

 drj,w'u by E. 



