104 HELIX §. 35. 



64-2. H. cimex Pfr. 



T. umbilicata, discoidea, tenuis, subliliter capillacco-striata, 

 haud nitens, pallide cornea; spira planiuscula; anfr. 5 con- 

 vexiusculi, lente accrescentes, ullimus non descendens, teres; 

 umbilicus perspectivus, Y3 diametri subaequans; apertura parum 

 obliqua, parva, rotundato-Uinaris ; perist. simplex, rectum, mar- 

 ginibus convergentibus. — Diam, maj. 3, min. 2^2, alt, 1 V3 mill. 

 (Mus. Cuming.) 



Helix cimex Pfr. in Proc. Zool. Soc. 1854. p. 288. 

 — ^ Reeve Conch. ic. n. UM. t. 201. 

 -. -^ (Hyalina) Pfr. Vcrs. p. 125. 



Habitat «Lord Howe's Island» Novarum Hebridarum (Macgillivray). 



* * * 



643. q^uadrata Fer. (Coll. 271. — Rv. n. 619. t. MO. -^ 



Discus Pfr. Vers. p. 125. — H. Kinyi Pfr. — 



Discus quadratus Ad. Gen. p. 117.) Mon.IlI. p. 108. 



644. pusio King. -f - I. - 1 1 6. 



645. spirorbis Dcsh. -{• - III. - 11 Q. 



* -* * 



646. H. amtnonoceras Pfr. 



T, umbilicata, depressissima, tcnuis, arcualo-striala, nitida, 

 pcllucida, pallide cornea; spira niinuta, subimmersa; sutura 

 profunda; anfr, fere 4 planiusculi, rapide accrescentes, ultimus 

 non descendens, depressissimus, peripheria obsolete angulatus, 

 basi angustior; umbilicus latus, V3 diametri subaequans; aper- 

 tura obliqua, subtriangulari-lunaris; perist, simplex, rectum, 

 marginibus vix convergentibus, supero substricto, antrorsum 

 dilatato, basali arcuato. — Diam. maj. 4^2? tnin. 3%, alt. vix 

 IV2 tnill. (Mus. Cuming.) 



Helix ammonoceras Pfr. in Proc. Zool. Soc 1854. p. 54- 

 -rr= — Reeve Conch. ic. n. 1338. t. 191. 



^ — (Ammonoceras) Pfr. Vers. p. 122. 



Habitat Santa Ana Novae Granadae. 



647. Clymene Shuttl. (Coll. 272. — //c. n. 914. t. 143. 



— Ammonoccras P/"r. Vers. p. 122.) Mon.lli. p. 1 1 1. 



Obs. Excludaliir hoc loco //. Shuttleworthi Pfr. = Planorbis ana- 

 tinus Orb. leste Cl. Shuttleworlh (Diagn. n. MoU. Nr. 7. p. 157 el 

 Notit. malac. I. p. 28). Testam descriptam, llelicibus nonnuUis persimilem, 

 9b amicQ H. Cuniing nominc Helicis vitrinac Shutti dcsignatam accoperam. 



