256 IIELIX §. 107. 108. 



superne in laminani triangalarem reflexo. — Diam. maj. 9, 

 niin. 7, alt. 7 mill. (Mus. Cuming.) 



Helix simjularis Pfr. in Proc. Zool. Soc. 1834, p. 290. 



— — Reeve Conch. ic. n. 1407. t. 200. 



— — (Geotrochus) Pfr. Vers. p. 145. 



Habitat in insula Aneiteum Novarum Hebridarum (Macgillivray). 



Obs, Gonf. H. sinistrorsa (BuUnms) Desh. in §. 108, nec non //. 

 Sachalensis Pfr. var. 



§, 108. 

 1641. H. Trailli Pfr. 



T. umbilicata, conica, solida, oblique confertim plicata, 

 caslaneo-lulvida; spira conica, apice obtusula; anfr. 5 convexi, 

 ultimus fascia perijiherica et area lata basali luteis ornatus, 

 antice vix descendens; apertura diagonalis , truncato-ovalis, 

 inlus coeruleo-albida ; perist. fuscum, expansum et reflexius- 

 culum, marginibus subconniventibus, columellari brevi, albo, 

 late reflexo, umbilicum angustum fere tegente. — Diam. maj. 54, 

 min. 43, alt. 37 mill. (Mus. Cuming.) 



Helix Trailli Pfr. in Proc. Zool. Soc. 1855. p. 107. t. 32. f. 4. 



— — (Camaena) Pfr. Vers. p. 1.38. 



llabitat «Palawan Passage» prope Borneo (Dr. Traill, H. E. I. C.) 



1642. H. euchroes Pfr. 



T, semiobtecte perforata, conica, solidula, oblique irre- 

 gulariter striata et sub lente minutissime granulata, nitidula, 

 rubcllo-fulva, fasciis castaneis et unica laliore candida ad su- 

 turam ornata; spira regulariter conica, sursum lilaceo-rosea, 

 apice acutiuscula; anfract. 7 modice convexi, scnsim accre- 

 scentes, ultimus non descendens, subrotundatus; apertura per- 

 obliqua, subrhombeo-lunaris, intus griseo-albida; perist. tenue, 

 extus castaneum, marginibus callo tenui junctis, dextro late 

 expanso et reflexiusculo, basali substricto, reflexo, cum colu- 

 mellari verticali, leviter arcuato, in laminam triangularem (per~ 

 forationem semitegentem) dilatalo angulum formante. — Diam. 

 maj. 36, min. 28, alt. 35 miil. (CoU. Gruner.) 

 Helix euchroes Pfr. in Malak. Bl. I. 1854. p. 57. 



— — Reeve Conch. ic n. 1346. t. 192. 



_ _ pfr. Novit. conch. I. p. 2. n. 3. t. 1. f. 7. 8. 



— — (Gootrochus) Pfr. Vers. p. 145. 



Acavus euchroes (Geotrochus) //. et A. Adams Gen. II. |). 106. 

 Ilalutat in Archipelago indico teste Verreaux. 



