192 WORMS. TESTACEA, 5& Helix, 



44oms Linn. Trans, iii. p.67. 



Shell imperforate, aperture with a much fpread margin. 

 D. Taper, 

 539, H. elegantissima. White, glossy, tapering, to a 

 tine point, with oblique equidistant grooves : aper* 

 tare a little angular below. 



Montague t. 10,/, 2, Donovan t, 179,/,.. 1. Turbo, 



Shell about a quarter of an inch long, often covered ,vv|fej\a brown 

 skin, with 9*13 flattish whorls, the ribs of which are broader thai* 

 the grooves ; aperture fuborbicular ; : Inner lip [i. kittle reflected. 



540? H. deciispata, WUite, tapering to a fine ppint, finely 

 decussate: aperture angular at both ends, 



Montague Brit. Shells p. 399. tab. Kfyf) If 



Shell 3 tenths of ; an inch long, with 8, or 9 slightly ra^ifed whorls, 

 Strongly striate longitudinally ? a.nd t crossed t|y very fine line* : 

 aperture fuboval, contracted at both ends : lip slightly reflected. 



541. H. subulata. Pale flesh-colour, >i til testaceous or 

 cbesnut*!>iral bands,, tapering to a flnepoiot, smooth : 

 aperture oval. 



Da Cpstdp.u j» 'J>onovan t. 173, Turbo. 



Shell 3 quarters of an inch long, glossy, fornettniei white or 

 reddish, with about 10 flat whorls', parked Svith lighter oi* darker 

 bands'; aperture much rouhde'd at top, iiid contracted atfcottom, 



542. H . polila, White* quite; smooth, tapering to a poin t, 

 imperforate : aperture oval. 



Br, Zool. t, 79. upper fig. Donovan t, 177, Turbo, 



Shell about half an inch long, polished, with 9-13 flat whorls? 

 aperture ending in a sharp point ; inner-lip reflected, " 



543. H. Hfaciata. White, with an interrupted brown 

 band, oblong, slightly wrinJde4 and umbjlicate: 

 aperture oval, 



Br, Zool.t, 82./, ng, Donov. tab, 18. * Turbo. 



Shell nearly 3 quarters of an inch long* with rather rounded 

 whorls, and brown or chesnut streaks forming a band or two at the 

 base : Up a little reflected, forming a small perforation, 



544. H. octona. Pale horny, with 8 rounded finely 

 striate whorls, very slightly umbilicate : aperture 

 roundish. 



linn. Transact, vlii. p. an. tab. 5/, iq, 



Shell about the size of a grain of rye, with 8 turaid whorls.; 

 perforation sq fmall as. hardly $0 he d/iftingtuehed : *jl*\w near- 

 ly orbicular, 



545. H. QtfqhfcQcta, Hprn-eQlaur, witty 8 f ^at#sU finely 

 striate whorls, imperforate : aperture oval* 



Br, Zool L S6,f r 1 35, Montague* 4aJ>* i Uf, 8, 



Shell above 3 eighths of an inch long, pften covered with a 

 blackish skin : differs from the last in being of a more conic form, 

 without, the least trace of .perforation, and in the whorls not 

 being fo disdncly feparaced, 



546. H, LackhamcnsiSt Rusty-brown, oya^qblong,, ^ little 

 rugged, slightly perforated : aperture roiH*dish-lu« 

 nate, with >a reflected margin. 



Montague Brit, Shells p. 394, tab, %%,/. 3. 



Sfielt 3 quarters of in inch long, rusty-brown varying to horn* 

 colour and grey, with 7 flattish whorls : aperture whitfch, with 

 oft eft a purplish tinge; lip reflected, and forcing a linear cavity. 



