HELIX §. 76. 77. 411 



1069. H. diodonta Muhlfeldt. 



T. late umbilicata, discoidea, minutim granulato-striata, 

 corneo-fusca; anfr. 4/4 vix convexiusculi , ultimus subcarinatus, 

 antice deflexus, ad aperturam constrictus, superne impressus; 

 apertura subhorizontalis, panduraeformis ; perist. acutum, ce- 

 flexum , rubicundum , dentibus 2 oppositis in margine supero et 

 infero munitum. — Diam. maj. 11 '/2, min. Oys, alt. 4 mill. (Coll. 

 Nr. 648.) 



Helix diodonta Mlf. in Mus, Caes. Viiidob. 



— — (Ilelicodonta) Fer. hist. t. 31 A. f. \. 



— — Rossm. l. p. 69. f. 19. 



— — Lam. ed. Dh. 184. p. 1 16. 



— — Chemn. ed. 11. Helix N. 373. t. 64. f. 4 — 6. 

 Vortex didonta Beck ind. p. 29. 



Gonostoma diodonta Held in Isis 1 837. p. ^15. 

 Habitat in Banatu prope Mehadia. 



1070. H. triaria Frivaldsky. 



T. perspective umbilicata, parva, depressa, cornea, elegau- 

 ter costulata; spira convexa, obtusiuscula; anfr. 6 convexiusculi, 

 lente accrescentes, ultimus superne augulatus, subtus attenuatus; 

 apertura perobliqua, sinuosa; perist. reflexum, labiatum, margine 

 exteriore repando, intus unidentato. — Diam. maj. 5, min. 4^2, 

 alt. 3/3 mill. (Coll. Nr. 649.) 



Helix triaria (Friv.) Rossm. X. p. 1 3. f. 611 . 



— Chemn. ed. II. Helix N. 396. t. 66. f. 13 — 16. 



— Ocskayi Stentz in sched. 

 Habitat in Banatu Hungariae. 



§. 77. 

 1071. H. lusitanica Pfr. 



T, umbilicata , discoidea , fusca , subobhque confertim costu- 

 lata; spira plana; anfr. 5/2, exteriores praecedentibus duplo latio- 

 res, ultimus antice non descendens; umbilicus mediocris, pervius; 

 aperlura lunaris; perist. albura, angulatim reflexum, margine 

 dextro sinuoso, columellari arcuato. — Diam. maj. 1-5, min. 13^2, 

 alt. 6 mill. (CoII. Nr. 650.) 



Helix lusitanica Pfr. Symb. I. p. 4 1 . 



— — Phil. Icon. I. 3. p. 50. l. 3. f. 8. 



— — Morelet moll. du Port. p. 33. t. 6. f. 1. 



— — Chemn. ed. II. Helix N. 374. t. 64. l 10 — 12. 



Habitat in Lusitania, prope Oporto (Fokkes), in montibus « du 

 Gerez» (Morelet). 



Obs. Hic conf. H. circulus Nr. 1054. 



