PULMONATA. 149 



b. European or North African. — Subcaudal gland moderate. 



Zonites. 



2. Zonites algira. B.M. 



Shell wddely umbilicated, orbiculately-convex, obsoletely an- 

 gulated, very minutely granulately-decussated above, radiated 

 with a deciduous horuy-lutescent epidermis, shining beneath ; 

 whorls six, the highest plane, the last convex ; aperture widely 

 obUquely lunar ; peristome straight, callous inside. Lat. maj. 

 45, min. 40, alt. 1^ mill. 



Helix algira, Linn. Syst.eA. 10. p. 769; ed. 12. n. 660. p. 1242. 



Born, Mus. 366. t. 14. f. 3, 4. 



Chemn. ix. pt. 2. p. 77. t. 125. f. 1093, 1094. 



(Helicella) Fer. Pr. 203; Hist. t. 81. f. 1-7. 



La77i. Hist. 77 ; ed. Desk. 46. 



Blainv. J/a?.461. t. 40. f. 8. 



Drap. Tabl. 94. n. 45. p. 115. t. 7- f. 38-40. 



Rossm. iii. 1. f. 147. 



Sow. Con. Mon. f. 279. 



Pfr. Mon. Helic. i. 126 ; Ic. i. 66. 



Chemn. ed. 2, Helix, n. 39. t. 8. f. 3, 4. 



DesA. He/ic. p. 91. n. 124. 

 Helix oculus-capri, Mull. Verm. ii. 39. n. 239. 

 Helix a'gopthalmos, Gtnel. p. 3614. n. 5. 

 Zonites algireus, Montf. 283. t. 71. 

 Zonites algira. Beck, Ind. 8. 



Alb. Helic. 63. 

 Tragomma algirum, Held in Isis, 1837, p. 916 ; Descript. de 



rEgypte, t. 2. f. 20. 

 Helix lusitanica, Linn. Mus. (fide Hanley). 



Morch, Cat. Kierulf. p. 1. n. 4 (Zonites). 

 HeHcoides algira Dumas, Compt. Rend. xxv. 113 (compare Pfr. 

 in Z.f. M. 1850, p. 123). 



Hab. S.France; Sicily; Sardinia; Corsica. 



3. Zonites verticillus. B.M. 



Shell widely umbilicated, nearly semiglobose, minutely de- 

 cussated above, yellowish-brown, ornamented with broad remote 

 yellow stripes, beneath glabrous, shining, greenish-yellow ; 

 whorls seven, all convex ; aperture lunate- subcircnlar ; peristome 

 acute, simple, white, callous inside. Lat. maj, 33, min. 29, alt. 

 19 mill. 



