BRITISH ZOOPHYTES. 



347 



geniculated., knee-jointed. 



gemma, a bud ; gemmation^ bud- 

 ding. 



gizzard, 205. 



globose, rounded. 



gonidia, 140. 



gonophore, 29. 



gonosome, the reproductive zooids 

 of a hydroid colony. 



gonotheca, 11. 



gonozooid, 12, 



gi'anulated, roughened with 

 granular markings. 



guard polyps , 33. 



gular, relating to the throat or 

 oesophagus. 



habitat, know locality of any 



species. 

 hcemal, 206. 

 hastate, spear-shaped. 

 hispid, roughened. 

 hyaline, transparent. 

 hydranth = Polypite. 

 hydrocaitlus,the stem (Hydroida). 

 hydrorhiza = stolon, or root-like 



attachment. 

 hydrotheca, 29. 

 hypostome, 25. 



imbricated, overlapping. 

 internode, the interval between 



the nodes or joints. 

 iridescent, having colours like a 



rainbow. 



labial, relating to the lips. 

 lamina, lamella, a layer. 

 liaulate, strap-shaped. 

 lobate, having lobes or finger-like 



projections. 

 lophophore, 19, 202. 

 lunate, moon-shaped. 



macho-polyp, 33. 

 mamillated, having little globes 

 like nipples. 



mandible, the beak of an avicu- 



larium. 

 manubrium, 30. 

 medusa, 30, 



mesenteric filaments, 141. 

 mesial or medial, placed in the 



middle. 

 mesoderm, 24, 139. 

 m^icro, a pointed projection. 

 7;^^^r^(?a^ecZ,roughened with points. 



natatory, free swimming. 

 Navicula, a genus of Diatoms. 

 nematocysts, thread cells. 

 nematopltores, 121. 

 neural, 206. 



obsolete, not developed. 



ocelli, 30. 



oesophagus, the passage to the 



stomach or body cavity. 

 ocecium = ovicel, 209. 

 opaque, not transparent. 

 operculum, a protective covering 



or lid. 

 oral, relating to the mouth. 

 orbicular, circular. 

 orifice = opening. 

 ova, eggs ; ovary, part where 



eggs are formed. 

 oval, having the length double the 



breadth. 

 ovate, egg-shaped. 

 ovicelligerous, bearing ovicels. 



pali, palules, 143. 



palmate, hand-shaped. 



palpocil, a collection of stinging 

 cells. 



parasitic, growing upon an or- 

 ganism. 



parietes {nd^. parietal), the body 

 wall. 



pedal, relating to the foot or base. 



pedicel, peduncle, a footstalk. 



pellucid, clear, transparent. 



perforate, having small openings. 



psrigonium, 30. 



