HELIX §. 72. 73. 183 



1145. H. apia Jacquinot. 



T. umbilicata, conoidco-lenticularis, soIiJula, leviter sliiala, 

 pallide fulva unicolor vel castaneo-bifasciata; spira couoidea, 

 acutiuscula; sutura angusto marginata; anfr. ^y^ vix convoxius- 

 culi, ultimus non descendens, acute carinatus, basi convexius- 

 culus, juxta carinam impresso-lineatus; umbilicus conicus, Yg 

 diametri subaequans; apertura diagonalis, securiformis; perist. 

 rectum, margine dextro tenui, antrorsum subarcuato, basali in- 

 crassato, leviter arcuato. — Diam. maj. 17, min. 15, alt. 7^3 mill. 

 (Mus. Cuming.) 



Helix apia Hombr. et Jacq. Voy. Pol Sud. Zool. V. p. 23. t. 7. 



f. 9 — 13. 



— — Reeve Gonch. ic. n. 1402. t. 199. 



— — (Videna) Pfr. Vers. p. 132. 



Habitat in Novis Hebridis. 



1146. H. Ludersi Pfr. 



T. umbilicata, sublenticularis, tenuiuscula, oblique striatula, 

 corneo-albida, fasciis angustis, aequalibus, rufis ornata; spira 

 convexa, obtusa; sutura albomarginata; anfr. Sy^ vix convexius- 

 culi, lente accrcscentes, ultimus non descendens, medio carina 

 acuta, alba munitus, basi convexiusculus , nitidus; umbilicus 

 conicus , y^ diametri subaequans ; apertura diagonalis , sub- 

 rhombeo-lunaris; perist. simplex, marginibus vix convergenti- 

 bus, supero recto, acuto, basali subincrassato. — Diam. maj. 19, 

 min. 17, alt. 7 mill. (Coll. Nr. 567.) 



Helix Liidersi Pfr. in Proc. Zool. Soc. 18.^5. p. 112. 



— — (Videna) Pfr. Vers. p. 132. 



Habitat Ovalan insul. Feejee (Macgillivray). 



§. 73. 

 1147. H. confcrta Pfr. 



T. umbilicata, conoidca, solida, striis incrcmenti irregu- 

 laribus et confertissimis spiralibus decussatula, scricea, fulvida; 

 spira conoidea, obtusa; sutura pallide marginata; anfr. vix 5 

 convexiusculi , sensim accrescentes, ultimus peripheria angu- 

 latus, ad suturam turgidulus, basi convexus, juxta umbilicum 

 angustum compressus; apertura perobliqua, subtetragono-Iunaris; 

 perist. o])lusum, margine supero recto, basali incrassato, refle- 

 xiusculo, coluuiellari declivi, subdentato, superne triangulatim 

 reflexo. — Diam. maj. 34^2, min. 30, alt. 20 mill. (Mus. Cuming.) 



Helix conferta Pfr. in Proc. Zool. Soc. 18o6. p. 328. 

 Habitat . . . ? 



