HELIX §. 18. 85 



§. -18*). 



203. H. Monrovia Rang. 



T. uiiibilicata, turbinata, tenuiuscula, ailiida, strigis virenti- 

 bus irregulariter ornata , superne regulariter et confertim striata; 

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

 laevigatus, nitidus, subpianulatus ; columella subverticalis, stric- 

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

 tum , margine columellari dilatalo, reflexo, umbilicum mediocrem, 

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

 u)ill. (Mus. Cuming.) 



Helix Monrovia Bang m Aiiii. d. sc. nai. XXIV. \>. 16. t. 3. f. 3. 



— — Pfr. in Phil. Icoii. II. I I. p. 83. t. 7. f. 9. 



liabitat in Africa : Liberia. , 



204. H. tiara Mighels. f 



T. depresse turbinala, flavida, strigis fulguratis, satuiate 

 brunneis ornata; umbilicus latus et profundus; striae incrementi 

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

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

 Helix tiara Mighels in Bost. Proc. l8io. p. 19. 

 llabitat in insula Sandwich. Kauai. 



204% H. tumulus Gould. -f 



T. parva, solida, flavida, orbiculato-pyramidata, basi subpla- 

 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. — Loni;. ys, 

 alt. y2opoIL(G.) 



Helix tmmilus Gould 1846. Exped. sliells p. 22. 

 Habitat in insulis Feejee. 



Obs. «Persiniilis H. pyramidalne , sed minus elevala ct apice niugis 

 rotundata.» 



205. H. Paraguayana Pfr. -J- 



T. orbiculata, umbilicata, laevigala, tenuis, dia])hana. succi- 

 nea; spira elevata, apice oblusa; anfr. 6; apertura rotunda, semi- 

 lunaris; labruni tenue, acutum. — Diam. 5, all. 3 mill. (0.) 

 IJelix Paraguayana Pfr. Synd). II. p. 93. 



— elevata Orb. synops. p. 6. Nec Say. 



— — Orh. voy. p. 234. I. 2 8. f. 3 — 8. 

 Habitat in Parauuav, Montcvidco. 



') Nuni roi'?;^! ][ Fouili<)\i iNr. 7 3.) Imic seetioni ascril)en<ia 



