﻿OPIIIOPIIOLIS CARYL 



101 



and were thorny, as were also the spines and grains of the disk ; in the 

 centre of the disk a patch of white, and another at the base of each 

 arm. 



This species is interesting, as being the second of a genus which 

 before had but one member. It is distinguished from O. hellis by the 

 close and regular granulation of the disk, without spines above, and by 

 having no primary plates in the interbrachial spaces. It seems, also, to 

 be a much smaller species. 



LIST OF SPECIMENS. 



Wheoce obtained. 



Museum of Comparative Zoology. 



1!)7 i . . I 1 I Mendocino, Cal. I I Alex. A^assiz. , Alcoholic, 



198 I 10G2 1 1 I Puget Sound. | | Dr. Kennerly. 1 



Smithson ian Institution. 

 10G2 I • • I 3 I Puget Sound. | I Dr. Kennerly. j Alcoholic 



Ophiopholis Caryi Ltman. 



OpMophoUs Caryi Lyman. Proceed. Boston Soc. Nat. Hist., VII. p. 261. 18G0. 



Special Blarks. — Small species ; disk about S""' in diameter, and 

 closely covered with fine grains, without naked plates. 



Description of a Specimen. — Diameter of disk, 8°"°- ; from outer 

 side of mouth-shield to outer corner of opposite mouth-slit, 3.3°"°- ; 

 width of arm without spines, 1.5""°- ; length of arm, 26.5""°- ; distance 

 from outer side of mouth-shield to inner points of teeth, to that 

 between outer corners of mouth-slits, 1.5 : 1.5. Mouth-papillaj flat, 

 rounded, scale-like, three or four on each side. Teeth about eleven, 

 broad, short, stout, flat, square ; uppermost and lowest ones narrower 

 than those in middle ; uppermost one longest, with a rounded cutting 

 edge ; lowest one often split in two. Mou^th-shields irregular, small, 

 usually rounded rhomboidal ; length to breadth, .6 : .8. Side mouth- 

 shields nearly meeting within, large and curved, closely soldered with 

 surrounding parts. Under arm-plates a little separated, squarish, with 

 curved lateral sides ; outer side slightly re-enteringly curved ; inner 

 side rather shorter than the outer, and made up of three short Hues, 

 making an angle with each other ; length to breadth (eighth plate), 



