48 CONCHOLOGY. 
FAMILY VIII. 
pee a Ten Genera. 
This family is divided into N. Solenaria and N. Tellinaria, 
from their resemblance to the Solen and Tellina. 
N.Sorenarta. Three genera. 
1. Genus Sanguinolaria. Pl. VII. 
Animal. Unknown. 
Shell. Oval, compressed, a little elongated, gaping but little, 
equivalve, subequilateral, rounded at both extremities; no mark 
of posterior keel; summits feebly marked; hinge formed by one 
or two contiguous cardinal teeth upon each valve ; ligament pro- 
jecting, two round muscular impressions, distant and joined by a 
narrow palleal impression strongly sinuous behind. Inhabits the 
sea at Jamaica and shores of America. Nine species. 
Sanguinolaria occidens. Sanguinolaria livida. 
S. rosea. S. rugosa. 
S. alba. 
S. fusca.* S. Nuttallii.* 
S. lusoria.* S. Californiana.* 
2.Genus Psammobia. Pl. VII. 
Animal. Unknown. 
Resembling the Tellina, from which it was taken, but not 
having an irregular plait on the anterior part. 
Shell. Transverse, oblong-ovate, or elliptical, flattened, slightly 
gaping at one side; summits projecting; hinge formed by two 
primary teeth in the left valve, and one in the opposite one 
Inhabits the European and American seas. Twenty-one species.’ 
Psammobia virgata. Psammobia alba. 
P. ferroensis. P. Cayennensis. 
P. vespnrtina. P. levigata. 
P. muculosa. P. Tellinella. 
