ZUA. 155 



reflexed lip; and from Azeca by the simple peri- 

 stome. 



The jaw is lunate, narrow, minutely crenulated. 



Mr. Jeffreys has established a genus under the 

 name of Cionella for the following species and Acha- 

 tina Acicula; but these shells appear to have no 

 natural alliance to one another, and the characters 

 given to the genus are hardly such as could dis- 

 tinguish a species. 



67. 1. ZUA lubrica. Common Varnished Shell. 

 Shell cylindrical-oblong, quite smooth, glossy, 

 and semitransparent ; the peristome thick, with- 

 out umbilicus, (t. 6. f. 65.) 



Helix lubrica. Mutter, Verm. 104. ; Mont. p. 390. t. 22. f. 6. ; 

 Linn. S.'N. 1248. Turbo glaber. Da Costa, p. 87. t. 5. 

 f. 18. Bulimus lubricus. Brug. E. M.i.3ll.', Drap. Hist. 

 p. 75. t. 4. f. 24. ; Brard, p. 98. t. 3. f. 20.; Pfeiffer, 50. t. 3. 

 f. 7. ; Turton, Man. ed. 1. 82. f. 65. ; Hartm. N. Alpina, i. 222. 



Lymnaea lubrica. Flem. Ed. Ency. vii. 78. Cionella lu- 

 brica. Jeffreys, Linn. Trans, xvi. 347. 513. Zua lubrica. 

 Gray, Man. 188. ; Leach, Moll. Syn. 82. ; Forbes and Hanley, 

 B.M. iv. 125. 1. 125. f. 8. t. GGG. f. 5. Helix subcylindrica. 

 Linn. S. N. 1248; Chemn. C. C. ix. f. 1255; Dittwyn, p. 952. 

 Achatina lubrica. Menke, Syn. 29.; Rossm. Icon. i. f. 43.; 

 Alder, Mag. Zool. and Bot. \\. 110.; H. (Cochlicopa) lubrica. 

 Ferns. Prod. 374. Cochlicopa lubrica. Risso, E. M. iv. 



Helix splendidula. Gruel S. N. 3655. Turbo inusco- 

 rum. Penn. B. Z. iv. t. 82. f. 118. (?) Columna lubrica. 

 Jans, Cat. 5. Styloides Lumbricus. Fitz. Syst. 105. 

 Buccinus obtusulum. Mont. T. B. 250., from Walker, T. 

 M. R. f. 59., junior. Bulimus subcylindricus. Poiret, 

 Prod. 45.; Moquin Tand. Moll. Franc, ii. 304. t. 22. f. 15 

 19. Achatina lubricella. Ziegler. Zua Boissii. Dupuy, 

 H. Moll. Franc, iv. 332. t. 15. f. 9. 



Under stones and among moss and grass on the 

 ground. 



Animal shining black, brown, or blackish grey 

 above, paler beneath; tentacles black, lower very 

 small. (Sturm.) 



