CONCH OLOGY. 



75 



vex, umbilicated ; colour pale pink, diameter upwards 

 of a quarter of an inch. 



Test. Brit. tab. 29- fig. 3. 

 Found by Mr Laskey on the shore of Iona. 



E. Shells imperforated at the base of the columella. 



42. Crassior. Shell yellowish white, thick, opake, 

 conical, with five rounded whorls, divided by a deep 

 depression, and terminating in a fine point ; pillar lip 

 wrinkled ; length half an inch. 



Test. Brit. tab. 20. fig. 1. 



Brit Shells, tab. 178. fig. 4. 

 Live shells are covered with a thin light yellowish 

 brown epidermis, which sometimes rises into longitu- 

 dinal ridges, beneath which a few obsolete spiral strife 

 are observed on the body whorl ; common on the Bri- 

 tish shores. 



43. Cimex. Shell with four strong, conical, reticular 

 ted, white volutions ; apex obtuse ; margin of the mouth 

 thick, outer lip crenated on the inside ; length one- 

 eighth of an inch. 



Brit. Shells, tab. 2. fig. 1. 

 On the English shores rare, and Mr Laskey has only 

 once met with it near Dunbar. 



. 44. Calathiscus. Shell conic, with six brown spires, 

 elegantly tuberculated in spiral lines; on the body 

 whorl are eight series of tubercles, on the second four 

 rows, and afterwards one less in each succeeding supe- 

 rior volution till wholly lost at the apex ; outer lip den- 

 ticulated within ; length a quarter of an inch. 

 Test. Brit. tab. 30. fig. 5. 

 Found by Mr Laskey on the island of Jura. 



45. Ventrosus. Shell smooth, glossy, thin, with six 

 ventri cose whorls of a light pellucid horn colour, aper- 

 ture suborbicular, closed by a thin wrinkled corneus 

 operculum, margin almost entire the whole way round; 

 length one-eighth of an inch. 



Test. Brit. tab. 10. fig. 13. 

 On the coast of Kent frequent. 



46. Ulvce. Shell with seven smooth volutions, nearly 

 flat, separated by a small line, apex moderately pointed ; 

 inner hp reflected on the columella, forming a slight 

 depression behind, but no umbilicus; about three- 

 eighths in length. 



Brit. Zool. tab. 86. fig. 120. 

 On the British shores frequent. 



47. Pullus. Shell with four rounded glossy volu- 

 tions, the first large, colour various; mouth sub-orbicu- 

 lar, large ; length three-eighths of an inch. 



Brit. Shells, tab. 2. fig. 2. 

 On the English shores not uncommon. 



48. Puuctura. Shell with six very glossy rounded 

 volutions, rather taper in shape, and finely reticulated ; 

 colour transparent yellowish white ; mouth suborbicu- 

 lar ; length one-tenth of an inch. 



Test. Brit. tab. 12. fig. 5. 

 On the British shores not uncommon. 



49. Ruber. Shell with fine, smooth, pellucid, glossy, 

 reddish brown volutions, rounded, and divided by a 

 fine separating ; aperture sub-orbicular, a little reflected 

 on the pillar ; length one-eighth of an inch. 



Lin. Trans, vol. iii. tab. 13. fig. 21, 22. 

 Found by Mr Adam at Pembroke, and by Mr Mon- 

 tagu in Cornwall ; we have observed it in Zetland. 



50. Vitreus. Shell with four very rounded, white, 

 smooth, subcylindric volutions; mouth sub-oval, con- 

 tracted at the upper end ; outer Hp thin, inner lip a lit- 

 tle thickened ; length one- eighth of an inch, 



Test. Brit. tab. 12. fig. 3. 



Found by Mr Montagu at Whitsand bay in Corn- Univalves. 



Wall. -— y-w' 



51. Nivosus. Shell smooth, glossy, white, rather Nivosus, 

 slender, and tapering to an obtuse point, volutions six, 

 much rpunded ; length nearly a line. 

 Test. Brit. p. 326 t 

 Found on the coast of Devon by Mr Montagu. 

 '52. Unifascialus. Shell smooth,, conic, white, with Uni fascia. 

 one, and sometimes two bands of purplish brown on the tus, 

 body, one on the second spire, and sometimes also on 

 the third ; whorls five, a little raised ; outer lip thin and 

 turning outwards, inner lip spreading on the columella ; 

 length one-eighth of an inch. 



Test. Brit. tab. 20. fig. 6. - 

 On the English coast l'are ; found also at Dunbar by 

 Mr Laskey. 



53. Cingillus. Shell conical, pellucid, with six whorls, Cingillus, 

 marked with alternate bands of horn-colour and ches- 



nut brown, three of each on the body, and two on the 

 other spires, which are obscurely striated; apex brown, 

 aperture sub-oval, contracted at the upper part ; length 

 one-eighth of an inch. 



Test. Brit. tab. 12. fig. 7- > 



On the English coast common. 



54. Interruptus. Shell pellucid, glossy white, mark- Interrup- 

 ed with interrupted longitudinal ochreaceous streaks, ,us ' 

 most conspicuous on the two larger spires ; whorls five, 



not much raised; mouth sub-orbicular, inner lip reflect- 

 ed ; length one-eighth of an inch. . 



Test. Brit. tab. 20. fig. 8. 



British Shells, tab. 178. fig. 2. 

 Common to the British shores, from Devonshire to 

 Zetland. 



55. Retiformis. Shell white, opake, with four tumid Retiformis 

 reticulated spues, with an oval aperture. 



Test. Min. Rar. tab. 2. fig. 37. 

 From Sandwich, Mr Walker. 



56. Fuscus. Shell brown, opake, spires fine, stria- Fuscus. 

 ted, aperture suboval. . 



Test. Min. Rar. tab. 2. fig. 42. 

 From Bysing wood near Faversham, rare, Mr Walker. 



57. Rivulus. Shell white, opake, striated ; whorls Rivulus, 

 four; mouth oval, marginated. 



Test. Min. Rar. tab. 2. fig. 

 From a stream near Faversham. Mr Walker. 



58. Fulgidns. Shell subconic, pellucid, smooth, va- 

 riegated with white and bronze, usually in bands ; 

 whorls three, the first very large, mouth suborbicular, 

 margin attenuated ; length half a line. 



Test. Brit. p. 332. 

 Found by Mr Montagu in sand from Whitsand-bay, 

 Cornwall. 



59. Scriplus. Shell smooth, with three whorls, mark- Scriptus, 

 ed with brown lines resembling characters; aperture 

 roundish. 



Lin. Trans, vol. 3. tab. 13. fig. 11, 12. 

 Found by Mr Adams on the coast of Pembroke. 



60. Divisus. Shell pellucid, white, with four whorls Divisus 

 each divided into two parts, the upper one smooth, the 

 lower one spirally striate ; aperture suboval. 



Found along with the last. 



61. Subnifus. Shell smooth, with fine whorls, some- subrufus 

 what angular above ; opake ; dull red ; the upper part 



of each whorl marked with a white transverse band. 

 Lin. Trans, vol. v. tab. 1. fig. 18, 19. 



Found with the two preceding species. 



64. Ziczac. Shell conic, with six substriated, white 

 or purplish white spires, marked with equidistant, lon- 

 gitudinal, undulated, purple lines; apex acute; base 



Fulgidus, 



Ziczac . 



