HELIX §. 7. 8. 41 



86. scalarina Pfr. in Zeitschr. f, MaJak. 1851. p. 128. 



{H. gradata Pfr. olim, nec Gouid. — Reeve N. 



165. t. 37.) Mon. I. p. 38. 



87. cicercula Gould. •[• (Proc. Bost. Soc. 1846. p. 



171: Expecl sliells ISSI. p. 43. f. 73.) - _ _ 39. 



SS. subrutila Migh. -J- - - - 39. 



89. cryptoportica Gould. •[• (Proc. Bost. Soc. 1846. 



p. 171; Expcd. shells 1851. p. 44. f. 72.) . . . - _ - 39. 



90. H. calculosa Gould. •[• 



T. pamula, hyalina, fragilis, nitida, laevigata, cornea, 

 globoso-pyramidalis; anfr. 4 convexiusculi, ultimus ad peri- 

 pheriam angulatus et tenuissime carmatus, infra convexus, re- 

 gione umbilicah impressa, sed imperforata; apertura lunata; 

 labrum simplex, margine interno rotundato. — Diam. Vio"; 

 axis paulo minor. (G. ) 



Helix calculosa Gould Exped. shells 1851. p. 48. f. 63. 

 Habitat in insula Tahiti. 



91. Sardiniensis Porro. ^ Mon. I. p. 39. 



§. 8. 



92. Nicobarica Chemn - - - 40. 



93. semirugata Beek. (Coll. 45. Desh. in Fer. 



hist. 1. p. 247. N. 814. — Galaxias Alb. p. 101.) _ - - 40. 



94. Tranquebarica Fabr. (Goll. 46. — Galaxias 



Alh. p. 101.) - - - 41. 



95. H. corneo-virens Pfr. 



T. subobtecte perforata , conoideo-globosa, tenuis, superne 

 oblique rugosa, diaphana, vix nitidula, corneo-virens; spira 

 conoidea, obtusa; sulura leviter impressa; anfr. Sy^ conve- 

 xiusculi, ultimus subangulatus, antice descendens, basi inflatus, 

 sublaevigatus; apertura diagonalis, lunato-rotundata; perist. 

 simplex, tenue, rectum, margine columellari subdeclivi, su- 

 perne dilatato, perforationem fere claudente. — Diam. maj. 23, 

 min. 20, alt. 16 mill. (Mus. Cuming.) 



Helix corneo-virens Pfr. in Zeitschr. f. Malak. 1851. p. 25. 

 Habitat San Nicolao Promontorii Viridis. 



96. H. Ammonia Valenciennes. •{• 



T. sinistrorsa, subglobosa, longitudinaHter pHcata, tenuis, 

 fragilis, pellucida, viridis; spira brevis, acuminata; anfr. 4 

 angusti, convexi, ultimus maximus, dilatatus, basi convexus, 

 perforatus; apertura magna, ovato-rotunda , obliqua; perist. 

 tenue, acutum, basi dilatatura. — Diam. 20, alt. i8 mill. 

 (Dh.) 



