HELIX §. 18. 85 



§. '18*). 

 m. H. Monrovia nang. ■:!'/^.Mf/^'^'KSA';. 



1. unibilicata, lurDinata, tenuiuscula, albiaa,'sli'igis virenti- 

 bus irregulariter ornata, superne regulariter et confertim striata; 

 spira elevata, obtusiuscula; anfr. Sya convexiusculi, ultimus subtus 

 laevigatus, nitidus, subplanulatus ; columella subverticalis, stric- 

 tiuscula; apertura subtetragoua, intus alba; perist. simplex, acu- 

 tuni, margine columellari dilatalo, reflexo, umbilicum mediocrem, 

 pervium partim occultante. — Diam. maj. 20, min. 18, alt. 14 — 15 

 mill. (Mus. Cuming.) 



Helix Monrovia Bang in Ann. d. se. nat. XXIV. p. 16. t. 3. f. 3. 



— — Pfr. in Phil. lcon. II. M. p. 83. t. 7. f. 9. 

 Habitat in Africa : Liberia. 



204. H. tiara Mighels. -f 



T, depresse turbinata, flavida, strigis fulguratis, saturale 

 brunneis ornata; umbilicus latus etprofundus; striae incrementi 

 rudiusculae; anfr. 5 — 6 convexi ; apertura lunato-circularis; 

 labrum simplex, tenue. — Diam. circa /4". (M.) 

 Helix tiara Mighels in Bost. Proc. 1 845. p. 19. 

 Habitat in insula Sandwich. Kauai. 



204\ H. tumtdus Gould. t 



■'■'''■ "''/? '■ ■■'' s''^ 



T, parva, solida, flavida, orbiculato-pyramidata, i)c»s^i simpla- 

 nulata, umbilico modico perforata; spira elevata, conico-rotun- 

 data; anfr. 6 — 7 convexiusculi, striis perobliquis exarati, ultimus 

 obtuse ad peripheriam angulatus, prope aperturam compressus; 

 apertura parva, transversa, lunata; perist. simplex. — Long. /4, 

 alt, y^opolL (G.) 



Helix tunmlus Gould 1846. Exped. shells p. 22. 

 Habitat in insulis Feejee. 



Obs. «Persimilis H. pyramidalae , sed miiius elevala el apice magis 

 rotundala.» 



205. H. Paraguayana Pfr. "f 



■ T. orbiculata, umbilicata, laevigata, tenuis, diaphana, succi- 

 nea; spira elevata, apice obtusa; anfr. 6; apertura rolunda, semi- 

 lunaris; labrum tcnue, acutum, — Diam. 5, alt. 3 mill, (0.) 



Helix Pavaguayana Pfr. Symb. II. p. 93. 



— devata Orh. synops. p, 6. Nec Say. 



— " — Orh. voy. p. 234. t. 28. f, 5 — 8. 

 Habitat in Paraguay , Montcvideo. 



Num foisaii H. Fouiliovi (Nr. 7o.) luiic seclioni ascril>cuda' 



