346 



NATURAL HISTORY OP 



basal, pei'taining to the base. 

 bicuspid, with two points. 

 bi^d, cleft into two segments. 

 bilabiate, having two lips. 

 bilateral, on two sides. 

 biserial, in two rows. 

 blastostyle, 44. 

 boss, a tubercle or prominence. 

 Bri/ozoa = Polyzoa. 



calcareous, containing lime. 



calycle =■ hydrotheca. 



calyx, 143, 204. 



campanulate, bell-shaped. 



capillary, hair-like. 



capitate, knobbed. 



capitulum, the thickened end of 

 a tentacle ; the anterior region 

 of the body in Edwardsia. 



capsule = gonotheca. 



cardia, 204. 



carinated, having a keel-like 

 prominence. 



caudate, having a tail-like ap- 

 pendage. 



celliferous, cell-bearing. 



celhilar, composed of cells. 



cercarice, 241. 



chitinous, composed of chitine. 



ciliated, fringed with cilia, or 

 hair-like filaments. 



cinclis (pi. cinclides), 142. 



clavate, club-shaped. 



cnidce, stinging cells. 



coRnosarc, 28. 



columella, 143. 



conchula, 174. 



contorted, twisted. 



corallum, 143. 



corbula, 128. 



cordate, heart-shaped, 



coriaceous, roughened, leathery. 



corneous, horny. 



corona, the crown of tentacles 

 (Polyzoa). 



corrugated, roughened. 



craspedum, 141. 



crenated, toothed. 



cuneate, wedge-shaped. 

 cylindrical, round and elongated. 

 cyst, a bag or vesicle, 



decumbent, lying down. 



dendritic, dendroid, tree-like. 



denticulate, toothed ; denticle, 

 a tooth. 



diaphanous, transparent. 



dicJiotomous, branching in pairs. 



distal, nearest to the oral ex- 

 tremity. 



discoid, disc-shaped. 



digitate, finger-shaped. 



dorsal, the back. 



ecthoreum, 142, 



ectocyst, 203. 



ectoderm, 23. 



Ectoprocta, 210. 



elliptical, oval. 



endocyst, 203. 



endoderm, 23, 



Entop)rocta, 210. 



endosarc, 207, 



epidermis, the external covering, 



epistome, 202, 



epithelium, the external layer ot 



the ectoderm. 

 everted, turned outwards. 



falcate, sickle-shaped. 



fasciculus, a bundle. 



fauna, the animals of a region. 



filiform, thread-like. 



fimbriated, fringed. 



fissure, a cleft, 



fiabell ate, flabellif or m,fsin-sha.'pe3i 



Jiexuous, bending, 



foliaceous, leaf-like. 



friable, easily broken up, 



fuci, sea-weeds, 



funiculus, 207. 



ganglion (pi. ganglia), a nerve 



centre, 

 Gasteropod, a class of Moilusca. 

 gelatinous, jelly-like. 



