232 HELIX §. 50. 



fulvescens, fasciis castaneis pluriinis 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. — Dian». 

 maj. 28, min. 23, alt. 15 mill. (CoII. Saul. et Metcalfe.) 



Helix rhombostoma Pfr. in Proc. Zool. Soc. 18 45. p. 72. 

 Habitat ? 



614. H. lonchostoma (CarocoUa) Menke. , :Sf. 4.01^3. 



L. imperiorafa, orbiculato - comca , acute carmatci; sutura 

 linearis; anfr. 6 plani, ad carinam scrobiculato-crenati, ultimus 

 nigricanti-trifasciatus, basi convexiusculus, antice subito deflexus; 

 apertura oblique lanceolata; perist. simplex, acutum, margine 

 supero subexpanso, basali breviter reflexo. — Diam. maj. 22, 

 min. 18, alt. 15 mill. (Coll. Nr. 358.) 



Carocolla lonchostoma Mke syn. p. 76. ed. 2. p. 127. 



Helix lonchostoma Voiyt in Cuv. Thierr. III. p. 71. 

 — — Chemn. ed. 11. Hehx N. 66. t. 13. f. 5. 6. 



Habitat in Brasilia. 



Obs. Differt a sequonte forma dcprpssa , carinae sculptura et anfractu 

 ultimo deflexo. — Umbilicus juniorum in adultis lamina tenui omnino clausus est. 



615. H. bif^sciata (Trochus) Burrow. .yf.poy. 



T. imperforata, acute conica, trocliiformis , tenuis, diaphan"a, 

 albida vel rosea , unicolor vel nigricanti-rufo varie cingulata ; anfr. 

 7 plani , ultimus acute carinatus , supra carinam convexiusculus, 

 antice non descendens, basi vix convexus; apertura perobliqua, 

 triangularis ; perist. simplex, album vel roseum, margine supero 

 expanso, basah reflexo. — Diam. maj. 20, min. 17, alt. 17 mill. 

 (Coll. Nr. 359.) 



Trochus bifasciatus Burr. elem. t. 27. f. 2. 



Helix bifasciata (HeHcigona) Fer. pr. 143. 



— — Cheimi. ed. II. Hehx N, 65. t. 1 3. f.- 1. 2. 



— pyramidella Wagn. In Spix p. 22. 



— — Lam. ed. Dh. 223. p. 134. 



— Bosciana (Hehcigona) Fer. pr. 144. Hist. t. 64. f. 1. 



— — Zam. ed. Dh. 187. p. 118. 



— Blanchetiana Moric. Mem. Gcn. VI. p. 2. t. 1. f. 3. VII. p. 418. 

 Carocolla bifasciata Gray in Ann. of Phil. New ser. IX, p- 4^ -• 

 Helicina pyramidella Spix test. bras. t. 16. f. 1. 2^"^"*"". 

 Geotrochus pyramidella Beck ind. p. 47. 



Ilabitat in Brasilia, Bahia. 



