HELIX §. 10. 55 



Helix oblita Pfr. in Proc. Zool. Soc. 1851. Jiil. 

 Habitat in Inclia. 



162. H. Emiliana Pfr. 



T. perforala, conoideo-lenticularis, solidula, superne con- 

 fertim costulata, lineis impressis spiralibus subregulariter gra- 

 nulata, opaca, lutescenti-fusca ; spira conoidea, vertice elevato, 

 obtusiusculo^ anfr. 6 convexiusculi, lente accrescentes, ultinius 

 non descendens, compresse carinatus, basi convexus, radiatim 

 striatulus, nitidulus; apertura obliqua, angulato-lunaris; perist. 

 simplex, rectum, margine columellari ad perforationem reflexi- 

 usculo. — Diam. mnj. IGV^, min. 15, alt. 8 mill. (Coll. Nr. 72.) 

 Helix Emiliana Pfr. in Proc. Zool. Soc 1852. 



— — Chemn. ed. II. Helix N. 1075. t. l58. f. 33 — 35. 

 Habitat in insula Ceylon. 



163 H. Baconi Benson. 



T. anguste perforata, depresso-turbinata, tenuissima, pel- 

 lucida, pallide cornea, superne eleganter decussalim corrugato- 

 striata, sericea, subtus polita, radiato-striata; spira conoidea, 

 apice acutiuscula, fuscata; sutura impressa; anfr. 5 subcon- 

 vexi, lente accrescentes, superiores superne fascia rufo-fusca, 

 angusta, demum obsoleta marginati, ultimus non descendens, 

 carinatus, subtus convexus; apertura subverticalis, angulato- 

 lunaris; perist. acutum, marginibus convergentibus^ columellari 

 verticali cum basali anguluui rotundatum formante, superne 

 brevissin)e reflexo. — Diam. maj. 14, min. 13, alt. 8^3 mill. 

 (Mus. Benson.) 



Helix Baconi Bens. in Ann. and Mag. 2d. ser. VI. 1850. 

 p. 251. 



— — Chemn. ed. II. Helix N. 017. t. 141. f 11. 12. 



Habitat rarissime in agris Rohillanis, prope urbem Moradabad 

 Indiae septentrionalis (Bacon). 



164. H. Layardi Pfr. 



T. perforata, turbinata, tenuiuscula, ruguloso-striata, pa- 

 rum nitens, pellucida, pallide cornea; spira conoidea, apice 

 acutiuscula; anfr. Sy^ convexiusculi, ultimus carinatus, non 

 descendens, basi convexus; apertura parum obliqua, rotundato- 

 lunaris, vix angulata; perist. rectum , tenue, acutum, margine 

 columellari superne brevissime reflexiusculo. — Diam. maj. 13, 

 min. fere 12, alt. 9 mill. (Mus. Cuming.) 

 Helix Layardi Pfr. in Proc. Zool. Soc. 1851. 



— — Chemn. ed. II. Helix N. 953. t. 145. f. 3. 4. 

 Habitat in insula Ceylon (Mr. Layard). 



