58 THE NAUTILUS. 



180. — Kellia planulata, Stinipson. 



Syn. : 



Kellia rubra, Gould, not of ]Montague. 



Shell small, solid, sub-oval, iiiequipartite, compressed ; beaks 

 large, in contact, having before them a deep elongated, smooth 

 areola ; both ends broadly rounded ; surface covered with a thick, 

 dirty brown epidermis, eroded at the beaks ; interior glossy white. 

 Length h, height ', breadth h inch. 



Inhabits from Long Island Sound to Greenland, from 1 to 15 

 fathoms in depth. Also under stones at low-water mark and at- 

 tached to the roots of seaweeds. I have found but two specimens in 

 Rhode Island, both dead, collected in shell sand above high water 

 mark. 



FAMILY SOLEMYID^. 



This family contains one genus and six species, two of which in- 

 habit Rhode Island. 



181. — Solemya borealis, Totten. 

 Syns. : 



Solenomya borealis, Perkins, Verrill. 



Shell elongated-oblong, thin and fragile, covered with an epidermis 

 which extends beyond the margins of the shell, except on the hinge 

 margin, where it is lapped over and connects the valves together its 

 entire length ; the epidermis is scalloped where it projects beyond 

 the shell, by slits corresponding to the radiating lines on the sur- 

 face, extending from the beaks to the edges of the margins ; the 

 epidermis is dark brown and the radiating lines are lighter in color, 

 fifteen to twenty in number ; interior grayish-blue. Length two 

 inches, height f. 



Col. Joseph G. Totten found this species in the vicinity of New- 

 port, Rhode Island and described it in Silliman's Journal, xxvi, 366, 

 1834. It has never been seen in our bay excepting at Newport, 

 but has been found at Chelsea, Nahant, Portland and other ocean 

 shores of New England. 



182. — Solemya velum, Say. 

 Syn. : 



Solenomya velum, Perkins, Verrill. 



This species inhabits from Xorth Carolina to Nova Scotia. It 

 was described by Thos. Say from specimens found on the southern coast 



