426 HELIX S8. 138. 
panso; basali in medio rectiusculo, extus bene soluto, intus sub- 
duplicato. — Diam. maj. 17, min. 15, alt. 9 mill. — Rat. 
anfr. 2:4. — Rat. apert. 1:41.» (M.) 
Heli; inutilis (Hemicycla) Mouss. Rev. faune malac. Canar, p. 80. 
1:057: £54:0:8; 
— —  Pfr. Novit. conch. IV. p. 90. Nr. 784. t. 124, f. 1. 2. 
Habitat in insula Teneriffa (Grasset). 
Obs. Species intermedia inter H. planorbellam et plicariam Lam., 
huic sculptura et apertura affinior, sed umbilico, peristomate, etc. facile 
distinguenda. 
* 
2983. strigata (IMüll.?) Fér. (Coll.1285.) I. 362. III. 235. IV. 279. 
V. 364. 503, —  Issel in Bull. malac. ital. III. 4870. p. 113. — 
Iberus Kob. Cat. p. 18. — Pétel Cat. p. 95. — Martens in Nachr. 
malak. Ges. VI. 1874. p. 12. —  Helir glabrata et corrugata 
Ziegl. — Var.? Helix posidoniensis Tiberi ex Kobell in Malak. 
Bl. XXI. 1873. p. 160. — Italia, Sicilia, 
2984. H. substrigata Bourguignat. 4 
« Testa obtecte perforata, depressa, rude costis irregularibus 
strieisque ac tuberculis minimis subquadratis, compressis, pau- 
lulum acutis, ornata; opaca, non nitente, subsolida, cinerea, 
nigro-purpurascente maculata; spira convexiuscula; apice sub- 
acuto, corneo, laevigato; anfractibus 5—5!/; depresso-convexis, 
irregulariter (primi sat lente regulariterque, caeteri celerrime) 
crescentibus, sutura impressa separatis; ultimo maximo, com- 
presso, obscure carinato, sensim aec regulariter descendente, ad 
insertionemque labri externi valde deflexo, in loco umbilicali 
paululum inflato; apertura lunata, oblique ovata; peristomate 
acutissimo, breviter reflexo, albo, intus sublabiato; margine co- 
lumellari late dilatato, umbilieum tegente, ad basin violaceo- 
cinerascente tincto; fauce intense rubro-pruinosa. — Diam. 18, 
alt. 9 mill.» (M.) 
Helio subslrigata Bourg. mss.; Mabille in Rev. et Mag. Zool. 
1868. p. 20. 
Habitat prope Marsala Siciliae. 
2985. 7H. Umbrica Charpentier. 4j 
«Testa mediocriter umbilicata, orbiculato-depressa, supra 
convexo-mamillata, albido-lutescente, nitidiuscula, opaca, solida, 
costis lamelliformibus ornata; spira convexiusculo-subdepressa; 
apice obtuso, corneo-flavescente, laevigato; anfractibus 4 —5 
(primi regulariter, ultimus celerrime) crescentibus, convexius- 
