268 MOLLUSC A. PULMONIFERA. Pupa, 



Gen. XXIII. PUPA. — Tentacula four, aperture of the shell 

 rounded, in the direction of the axis. 



a. Aperture of the shell toothed. 



* Teeth confined to the pillar Up. 



88. P. muscorum. — Whorls six, the three last subcylindri- 



cal ; the margin of the mouth broad, reflected. 



Buccinum exiguum subflavum, mucrone obtuso, sive cylindraceum, List. 

 An. Ang. 121. — Turbo muscorum, Linn. Syst. i. 1240. Mont. Test. 

 Brit. 335. — P. muse. Drap. Moll. 59 — Among moss, common. 



Length about |th of an inch ; whorls six, increasing rather rapidly from 

 the apex to the fourth ; separating line distinct ; finely striated across ; of a 

 horn colour. Mouth with the margin white ; a single tooth on the pillar, 

 even with the outer lip, and near the inflected junction of the outer lip with 

 the body -whorl : pillar-cavity, behind, wide, the sides steep. 



89- P. marg'mata. — Whorls six, the three last cylindrical ; 



the margin of the mouth narrow, reflected. 



Drap. Moll. 61 Turbo Chrysalis, Turt. Conch. Diet. 220.— P. marg. 



Sheppard, Linn. Trans, xiv. 154.— Not uncommon, under stones and 

 among grass, England. 



Length' about ^th of an inch ; the whorls increasing rapidly from the apex 

 to the third ; separating line distinct ; finely striated across ; of a brownish 

 horn colour : margin ot the mouth white ; a single tooth on the pillar, a lit- 

 tle within, and nearly in the middle ; pillar-cavity, behind, small. This spe- 

 cies was sent me many years ago, by Dr Leach, from Battersea, under the 

 title Pupilla marginata. — Mr Sheppard states, that it is common in Suffolk 

 and Essex. 



** Teeth on both lips. 



90. P. juniperi. — Whorls nine ; mouth with three teeth on 

 the outer lip, and four on the pillar. 



Turbo jun. Mont. Test. Brit.— Pupa avena. Drap. Moll. 54. — Among 

 moss and juniper-bushes, England. 

 Length about \t\\ of an inch, opake brown ; whorls, increasing gradually 

 from the apex to the fourth, and then continuing nearly cylindrical, rounded ; 

 separating line distinct ; obliquely striated across ; peristome white, reflect- 

 ed ; pillar-cavity, behind, small. 



91. P. sexdentata. — Whorls five ; mouth with six or seven 



teeth ; three of which are on the body lip. 



Turbo sexdentatus, Mont. Test. Brit. 337—P. antivertigo, Drap. Moll. 60. 

 Turbo sex. Sheppard, Linn. Trans, xiv. 156. — At the roots of grass. 



Length about a line ; of a brown colour ; whorls increase progressively in 

 size ; aperture suborbicular ; the outer lip slightly inflected in the middle. 



92. P. pygmcea. — Whorls five ; mouth with four teeth, one 

 of which is on the body-lip. 



Drap. Moll. 60. — Among moss, frequent. 



Length about ^th of an inch ; brown ; whorls increase progressively ; 

 peristome a little reflected ; outer lip with two teeth, and a third at the an- 



