HELIX §. 50. 
fulvescons, fasciis castaneis plurimis ornata; spira brevis, conica, 
apice acuta; anfr. 5 planiusculi, ultimus acute carinatus, basi vix 
convexus, antice parum deflexus, a latere subcompressus; aper- 
tura rhombea ; perist. violaceum, margine supero expanso, superne 
impresso, columellari stricto, dilatato, plano, appresso. — Diam, 
maj. 28, min. 23, ait. 15 miil. (Coli. Saul. et Metcalfe.) 
Helix 7'hombostoma Pfi\ in Proc. Zool. Soc. 1845. p. 72. 
Habitat . . . . ? 
614. H. lonchostoma (CarocoUa) Mcnkc. 
T. imperforata, orbiculato -conica, acute carinata; sutura 
linearis; anfr. 6 plani, ad carinam scrobiculato-crenati, ultimus 
nigricanti-lrifasciatus , basi convexiusculus, antice subito deflexus; 
apertura oblique lanceolata; perist. simplex, acutum, margine 
supero subexpanso, basali breviter reflexo. — Diam. maj. 22, 
min. 18, ait. 15 mill. (Coll. Nr. 358.) 
CarocoUa lo7ichostoma Mke syu. p. 76. ed. 2. p. 127. 
Helix lonchostoma Voigt in Cuv. Thlerr. III. p. 71. 
— — Chemn. ed. U. Helix N. 66. t. 13. f. 5. 6. 
Habitat in Brasilia. 
Obs. DifTert a sequente forma depiossa, carinae sculptura et anfractu 
ultimo defle.\o. — Umbilicus juniorum in adultis lamina tenui omnino clausus est. 
X 615. H. bif^sciata (Trochus) Burrow. 
T. imperforata, acute conica, trochiformis , tenuis, diaphana, 
albida vel rosea, unicolor vel nigricanti-rufo vario ciugulata; anfr. 
7 plani, ultimus acute carinatus, supra carinam convexiusculus, 
antice nou descendens, basi vix convexus; apertura perobliqua, 
triangularis; perist. simplex, album vel roseum, margine supero 
expanso, basali reflexo. — Diam. maj. 20, min. 17, ait. 17 milL 
(Coll. Nr. 359.) 
Trochus bi fasciatus Bittr. elem. t. 27. f. 2. 
Helix bifasciata (Helicigona) Fer, pr. 143. 
— — Chem7i. ed. U. Helix N, 65. t. 13. f. i. 2. 
— pyramiddla Wagn. In SpLx p. 22. 
— — \Lam, ed. Dh. 223. p. 134. 
— Bosciana (Helicigona) Fd\ pr. 144. Hisl. l. 04. f. 1. 
— — Zam. ed. Dh. 187. p. 1 18. 
— Blancheliana Moiic. Mem. Gen. VI. p. 2. t. I. f. 3. VII. p. 41 8. 
Cai^ocolla bifasciata Gray in Ami. ofPhil. New ser. IX. p. 412. 
Heliciria pyywnidella Spix tcsi. bras. t. 16. f. I. 2. 
GeoHochus pyramiddla BeeJe ind p. 47. 
Habitat in Brasilia, Bahia. 
