sembles C. macwliferus, but it is not so smooth, and the spire is 

 elevated. 



43. cedo-ntll!, Brug.—Qj. solidus, turbinatus, kevigatus seu 

 lineatim granulatus, fasciis latis castaneis seu aurantiis seu nigris 

 irregulariter fasciatini iuterruptis cinctus, macidis angulatis albis 

 et lineis iuterruptis ornatus ; spira elevata, obtuse coronata (f. 64 

 to 6S). — This celebrated species is remarkable for several varia- 

 tions in pattern and colouring, but the interrupted dotted dark 

 aud white lines are constant. 



. 44. nebulosus, Solander. — C. late turbinatus, C. cedo-nulli 

 similis sed superne latior (f. 61, 62). — Broader at the top and 

 less neatly coloured than C. cedo-nulli, and the dotted or granu- 

 lated lines are almost entirely wanting. 



45. leucostictus, Gmcl. — C. C. cedo-nulli similis, sed valde 

 angustatus, apice obtuso (f. 35, 36). — Like C. cedo-nulli, but 

 much narrower, with the angular patches of white broader. 



46. vaiuus, Linn. — C. elongatus, lateribus paululum ventri- 

 cosis, granosus, albus seu luteus, maculis castaneis ornatus ; spira 

 elevata, nodulis moniliformibus coronata (f. 40 to 42). — White, 

 granulated with patches of chestnut-colour. 



47. interrdptus, Mawe. — C. C. vario similis, sed lasvior, late- 

 ribus rectiusculis (f. 43, 44).- — Smoother and with straighter 

 sides than C. varius. 



48. PLUMBEUS, Reeve. — C. subpyriformis, lineis elevatis gra- 

 nulatis cinctus, ceeruleus, castaneo maculatus, versus basin purpu- 

 reus; spira convexa, obtuse nodulifera (f. 131, 132). — Like C. 

 varius in form, leaden and purplish in colour, granulated, and in 

 the var. f. 131, named C. liratus by Mr. Reeve, with elevated 

 ridges between the grains. 



49. albo.maculatis, Sowb. — C. oblongus, minute coronatus, 



granulatus, aurautius, maculis albis magnis versus spiram et infra 

 medium ornatus (f. 113). — Straight-sided, granulated, orange- 

 coloured, with large white spots. 



50. speciosissimus, Reeve. — C. oblongus, minute coronatus, 

 lateribus rectis; roseus, rubro late interruptim fasciatus; fasciis 

 irregularibus (f. 123, 124). — Of a delicate rose-colour, with red, 

 irregular, jagged bands. 



51. speciosus, Sowb. — C. breviusculus, turbinatus, minute co- 

 ronatus, albo rufoque irregulariter fluctuatus, flammis rufis linea- 

 tim marginatis (f. 13S). — More turbinated than C. sjieciosus, 



