GLOSSARY. 



[99 



Radiatulus, rady - ateyoul - uss, 

 slightly rayed. 



Rectangular, rek - tangular, 

 having right angles. 



Recurved, re-kurve'd, bent back- 

 wards. 



Reflected, re-flekt-ed, bent, or 

 thrown backwards. 



Refracted, re-frakt-ed, abruptly 

 bent as if broken. 



Reticulated, re-tik-you-late-ed, 

 formed like network. 



Retractile, re-trak-tile, capable of 

 being drawn backwards. 



Revelata, revvy - late - ah, dis- 

 covered. 



Reversed, re-verse'd, turned the 

 contrary or wrong way. 



RiNGENS, rinjens, grinning. 



Rivicola, ri-vikko-lah, living in 

 brooks. 



RoSEO-LABiATA, rosy-o-la-be-ate- 

 ah, having a rose-coloured lip. 



RoissYi, Roissy-i. See note, p. 189. 



ROSEUM, rosy-um, rose-colour. 



RosTRATA, ross-tra-tah, beaked. 



Rotunda, ro-tund-ah, round. 



ROTUNDATA, ro - tun - date - ah, 

 rounded. 



Rudimentary, roody-mentar-e, 

 imperfect, not fully formed or 

 developed. 



Rufescens, roo-fess-ens, of a red- 

 dish colour. 



RuFiLABRis, roofy-lab-riss, having 

 red lips. 



Rufous, roo-fus, red, or reddish. 



RUGOSA, roo-go-sah, wrinkled. 



Rugose, roo - gose, rugged, 

 wrinkled. 



Rupestris, roo-pest-riss, living 

 among rocks. 



Ryckholtii. See note, p. 189. 



Scalariform, skay-lare-iff-orm, 

 resembling a ladder, or stairs. 



SCALARIFORMIS, skale-airy-form- 

 iss, resembling a ladder, or stairs. 



Scaldiana, Scaldy-a-na. See note, 

 p. 189. 



ScHLECHTii. See note, p. 189. 



ScuTULUM, skewtyoul-um, a small 

 shield. 



Secale, se-kale-e, a grain of rye. 



Secrete, se-kreet, to separate. 



Secretion, se-kre-shun, literally 

 that which is separated, applied 

 to animal fluids when they are 

 separated from one another by 

 the act or process of secretion or 

 separation. 



Segment, seg-ment, a part cut off. 



Semi, semmy, when joined to a 

 word means half, as semi-circle, 

 half a circle ; semi-transparent, 

 half transparent. &c. 



Sericea, se-rissy-ah, silky. 



Sericeous, se-rish-us, silky. 



Serrate, serr-ate ; Serrated, 

 serr-ate-ed, jagged or toothed like 

 a saw. 



Sessile, sess-il, literally that which 

 sits, applied to parts of an animal 

 or plant which are not attached 

 by a stalk, but are seated in close 

 contact with it. 



Setaceous, se-tay-shus, bristly. 



Shagreen, shah-green, the skin of 

 a kind of fish, or leather in imita- 

 tion of it. The surface of the 

 skin is covered more or less 

 roughly with granules, hence any 

 substance resembling it in that 

 respect is said to be shagreened. 



Sinistral, sin-iss-tral, on the left 

 hand ; a univalve shell is sinistral 

 when the mouth or aperture faces 

 the observer's left hand, the shell 

 being held with apex upwards. 

 See Dextral. 

 Sinistrorsa, sin - iss - tror - sah, 



turned to the left. 

 SiNUATA, sin-you-ate-ah, hollowed, 



curved in and out. 

 SiNUOUS, sinnyou-us, bending in 



and out. 

 Siphon, or Syphon, si-fon, a tube 

 or pipe. 



