426 IIELIX §. 138. 



panso; basali in medio recliusculo, extus bene soluto, intus sub- 

 duplicato. — Diam. moj. 17, min. 15, alt. 9 niill. — Rat. 

 anfr. 2:1. — Rat. apert. 1 ri.» (M.) 



Helix inutilis (Hemicycla) Mouss. Rev. faune malac. Canar. p. 80. 

 t. 5. f. 1. 2. 

 — — Pfr. Novit. conch. IV. p. 90. Nr. 784. t. 124. f. \.%. 



Habitat in insula Teneriffa (Grasset). 



Obs. Species inlermedia inler //. planorhellam et plicariam Lam., 

 huic sculplura et aperlura affinior, sed umbilico, peristomate, etc. facile 

 distinguenda. 



* 



2983. strigata (Miill.?) Fer. (Coll. 1285.) I. 362. III. 235. IV. 279. 

 V. 364. 503. — Issel in Bull. malac. ifal. III. 1870. p. 113. — 

 Iberus Kob. Cat. p. 18. — Plitel Cat. p. 95. — Martens in Nachr. 

 nialak. Ges. VI. 1874. p. 12. — Uelix glabrata et comtgala 

 Ziegl. — Var.? Helix posidoniensis Tiberi ex Kobelt in Malak. 

 BI. XXI. 1873. p. 160. — Italia, Sicilia. 



2984. H. substrigata Bourguignat. ^ 



« Testa obtecle perforata, depressa, rude costis irreguiaribus 

 strigisque ac tuberculis minimis subquydratis, compressis, pau- 

 lulum acutis, ornata; opaca, non nitente, subsolida, cinerea, 

 nigro-purpurascente maculata; spira convexiuscuia; apice sub- 

 acuto, corneo, laevigato; anfractibus 5 — Sy^ depresso-convexis, 

 irregulariter (primi sat lente regulariterque, caeteri ceierrime) 

 crescentibus, sutura impressa separalis; ultimo maximo^ com- 

 presso, obscure carinato, sensim ac regulariler descendente, ad 

 insertionemque labri externi valde dellexo, in loco umbilicali 

 paululum inflato; apertura lunata, oblique ovata; peristomale 

 acutissimo, breviter reflexo, albo, intus sublabiato; margine co- 

 Jumellari late diiatato, umbilicum tegenle, ad basin violaceo- 

 cinerascente tincto; fauce inlense rubro-pruinosa. — Diam. 18, 

 alt. 9 mill.» (M.) 



Helix suhslrigata Bourg. mss.; Mabille in Rev. et Mag. Zool. 

 1868. p. 20. 



Habilat prope Marsala Siciliae. 



2985. ?H. Umbrica Charpenticr. -{• 



«Testa mediocriler umbilicata , orbiculato-depressa, supra 

 convexo-n)amillata, albido-lutescente, nitidiuscula, opaca, solida, 

 costis lamelliformibus ornata; spira convexiusculo-subdepressa; 

 apice obtuso, corneo-flavescente, laevigalo; anfractibus 4 — 5 

 (primi regulariler, ultimus celerrime) crescentibus, convexius- 



