^ 



EXPLANATION OF PLATE XXXVIII. 



FIGUEE 282. Hybocodon prolifer, (p. 736 ;) natural size, the head seen from the back 

 side. 



283. Alcyonium carneum, (p. 737 ;) three of the polyps fully expanded, much 

 enlarged. 



284. Sagartia leucolena, (p. 738 ;) natural size, in expansion, but the tentacles 

 are not fully extended ; the * indicates the long odd tentacle. 



285. Halocampa producta, (p. 738 ;) natural size, well expanded, but the body 

 may be much more elongated. 



286. Epizoanthus Americanus, (p. 740 ;) a colony which had completely cov 

 ered and absorbed a shell occupied by a hermit-crab, (Eupagurus 

 pubescens,) which still lived \vithin the cavity; the polyps are not 

 expanded, natural size. 



287. The same ; one of the polyps in full expansion, natural size. 



(Figure 282 was copied from L. Apnssiz ; 28G is from the American Naturalist, drawn by E. S. Morse; 

 the rest were drawn by A. E. Verrill.) 



