30 -CONCHOLOGY. 
quamose, and consisting of from five to nine testaceous parts or 
valves. Inhabits the Indian seas. Two species. 
Galeolaria cespitosa. Galeolaria elongata. 
5. Genus Magilus. Pl. V. 
Animal. Unknown, 
Shell. Usually found imbedded in a species of Madrepore. 
Base bent into a spiral form, oval, with four contiguous, convex 
volutions (the last of which is the largest), and prolonged into a 
straight waved tube, convex above, carinated beneath. Inhabits 
the sea at the Isle of France. ‘Two species. 
Magilus antiquus. Magilus muricatus. 
CLASS II. 
CIRRHIPEDA. 
Animal. Soft, without head or eyes, testaceous, body fixed as 
if reversed, inarticulated, furnished with a mantle, having above 
tentacular arms, with curled tufts multiarticulated, mouth beneath, 
not projecting, dentated transverse jaws disposed in pairs. 
Number of arms, unequal and varying, disposed in rows, each 
composed of two rows of curled tufts of bristles; fringed ; a cor- 
neous skin supported by a pedicle. Medulla longitudinal and 
knotted ; gills external, sometimes concealed ; circulation by heart 
and vessels. One Family. 
FAMILY. 
Cirruirpepa. Ten Genera. 
1. Genus Tubicinella. 
Animal. Body inclosed in a shell, with small setaceous and 
unequal cirri. 
Shell. Univalve, operculated, tubular, erect, a little attenuated 
