198 



GLOSSARY. 



Paludinid.^, pal-you-dynid-ee, a 



family of freshwater molluscs. 

 Palustris, pal-uss-triss, living in 



boggy places. 

 Parasite, parrah-site, an animal or 

 plant which attaches itself to 

 another. 

 PARASiTiC,parrah-sittik. existing on 



or inhabiting some other body. 

 PauCISPIRAL, paw-se-spiral, having 

 only a few whorls ; with a short 

 spire. 

 Pecti n ated, pektin-ate-ed, toothed 



like a comb. 

 Pectinibranchiata, pek-tinny- 

 branky-ate-ah, an Order of mol- 

 luscs, so named because their 

 gills are pectinated, or comb-like. 

 Pedicle, ped-ikkie, a short foot- 

 stalk. 

 Pellucida, pel-lewsid-ah, trans- 

 parent. 

 Penultimate, pe - nulty - mate, 

 almost the last ; the last but one. 

 Peregra, perry-grah, a traveller. 

 Periphery, per-iffery, the circum- 

 ference or outer line of a circle ; 

 in spiral shells the centre or 

 widest part of the last, or body- 

 whorl. 

 Peristome, perry-stome, the mar- 

 gin of the mouth or aperture of 

 univalve shells. 

 Perversa, per-verse-ah, turned or 



twisted the wrong way. 

 Physa, fy-sah, a bladder. 

 PiCTA, pik-tah, painted. 

 Pictorum, pik-tow-rum, belonging 



to painters. 

 PiSANA, pi-sane-ah, belonging to 



Pisa, a town in Italy. 

 PisiDioiDES, Pi-siddy-oi-dees, re- 



sem.bling Pisidium. 

 PisiDiUM, Pi - siddy - um, pea- 

 shaped. 

 Planorbis, plan-orbiss, a flat coil. 

 Plicate, ph-kate U^^^^^^ 



Plicated, ph-kate-ed, j 

 PoMATiA, po-maysheah, having an 

 operculum. 



Polymorpha, polly-mor-fah, many- 

 shaped. 



Posterior, pos - teery - or, the 

 hinder part ; in bivalve shells the 

 side opposite to that on which 

 the ligament is placed. 



Process, pross-ess, progressive 

 change, as process of time, fer- 

 mentation, decomposition, &c. 

 The word is also applied to any 

 part (of an animal, or other body) 

 for which there is no particular 

 name. For example, the oper- 

 culum of the Neritidce is provided 

 with "a projection or plate-like 

 appendage " (see p. 22) ; in this 

 case the word process might have 

 been used instead of appendage. 



Protuberance, pro-tewberance, 

 a projection, a swelling. 



Pulchella, pul-kella, beautiful, 

 the ul pronounced as in pulse. 



PULMONOBRANCHIATA, pulmonno- 



branky-ate-ah, an Order of mol- 

 luscs, so named because their 

 gills resemble lungs. 



Pupa, pew-pah, a doll or puppet ; 

 applied to the chrysalis of insects 

 and a genus of land shells. See 

 p. 150. 



PuRUS, pew-russ, clear. 



PusiLLUM, pew-sill-um, \ ,.,,, 



PusiLLA, pew-sill-ah, / ^^"^^' 



PUTRis, pew-triss, living among 

 decayed matter. 



Pygm^a, pig-me-ah, dwarf, tiny. 



Pyramidal, pirr-ammy-dal, re- 

 sembHng a pyramid. 



Pyramidalis, py-rammy-day-lis, 

 in the form of a pyramid. 



PYRiFORM,pirry-form, pear-shaped. 



Quadrilateral, kwodril-latteral, 

 having four sides. 



R. 

 Radiata, ray-de-ate-ah, rayed. 

 Radiate, ray-de-ate, to send out 

 rays. 



