POLYPS AND CORALS. 57 



to the fingers by its tentacles, which can be very much 

 elongated at times." 



SAGARTIA (?) PAGURI Verrill, sp. nov. 



Carcinophilus Paguri Stirapson, MS. 



Base always attached to a smooth round space upon the 

 outer side of the large claw of a species of Pagurus. 

 Column low. Tentacles short and blunt ; ten of them 

 larger, forming an inner row ; outside of these are about 

 fifty smaller ones, crowded at the margin. 



Color pale orange, in contraction cream-colored above, 

 brown below. Tentacles pale, annulated with two or 

 three gray rings ; inside blackish. 



In alcohol contracted to nearly a flat disk, surface 

 smoothish. Tentacles wholly withdrawn. Openings, 

 which appear to be cinclidae, are sparingly scattered over 

 the surface, arranged in imperfect lines. 



China Sea, N. lat. 23, in twenty to thirty fathoms, 

 sand, April, 1855. Always parasitic on Diogenes Ed- 

 wardsii St. Dr. William Stimpson. 



SAGARTIA LINEATA Verrill, sp. nov. 



Column elongated, at about the middle of the body 

 forming a kind of sheath into which the upper part and 

 the tentacles can be withdrawn. Tentacles in three con- 

 fluent rows, the outer ones somewhat smallest. 



Color of column dark green, the longitudinal sulcations, 

 opposite internal lamellae, still darker green, sides longitu- 

 dinally striped with twelve crimson lines at regular inter- 

 vals. Upper portion of body, above the fold, clear dark 

 green. Tentacles bright yellow. 



Hong Kong harbor ; common on stones and pebbles 

 among gravel, in the lower part of littoral zone, March, 

 1855. Dr. William Stimpson. 



The color seems to be remarkably constant, being the 

 same in all the specimens examined, except one, which 

 had pale grass-green tentacles, and two pairs of whitish 

 lines between the pink lines of the sides. 



COMMUNICATIONS OP ESSEX INSTITUTE, VOL. VI. 8 JULY, 1869 



