HELIX 8. 33. 161 
Helia Pluto Pfr. in Proc. Zool. Soc. 1862. p. 268; Novit. conch. 
p. 2409 NEST. 55. £8. 9. 
Habitat «Lao Mountains» Cambojae (Mouhot). 
Obs. Differt ab H. Neptuno sculptura, umbilico minore, angulo an- 
*fractus ultimi distincto, etc. 
* 
823. (555. Belangeri Desh.-[| — Nanina Belangeri (Xesta) A?. 514. 
— Malabar. (I. 69.) 
824. (590. euryomphala Pfr. — 1H. cymbalum Mor. —  Zonites 
euryomphalus (Moreletia) A?. 67. —  Moreletia euryomphala 
Mórch in Journ. Conch. XIII. p. 384. — Guatemala. (I. 407.) 
825. H. undosa W. Blanford. | 
«Testa anguste umbilicata, depressa, solidula, albida (viva 
cornea?) sculptura irregulari sinuosa spirali peculiariter notata, 
striis incrementi obliquis decussata. Spira perdepresse conoi- 
dea, apice obtuso, sutura impressa. Anfr. 5 subconvexi, sub- 
rapide accrescentes, ultimus latior, peripheria et subtus rotun- 
datus, basi radiatim modo striata. Apertura diagonalis, late 
lunaris, aeque alta et lata; perist. simplex, acutum, marginibus 
distantibus, callo junctis, columellari obliquo, superne breviter 
reflexo. — Diam. maj. 36, min. 31, alt. 21 mill.» (Bl.) 
Nanina. (Hemiplecta) undosa  W. Blanf. Contrib. to Ind. Malac. 
V. 4865. p. 4. 
Habitat Ava. 
826. H. Newberryana G. W. Binncey. 
T. umbilicata, depressa, solida, striis incrementi et spira- 
libus sub lente levissime granulato-decussata, sub epidermide 
nigra vel rufo-brunnea alba; spira vix elevata; anír. 6 con- 
vexiusculi, regulariter accrescentes, ultimus subdepresso-rotun- 
datus, antice vix descendens, intra aperturam distinctius et 
confertissime spiraliter striatus; umbilicus apertus, !/ diametri 
subaequans; apertura obliqua, rotundato -lunaris, intus marga- 
ritaceo-albida; perist. simplex, rectum, intus subcallosum, mar- 
ginibus conniventibus, callo tenui junctis, columellari superne 
subdilatato. — Diam. maj. 34!/,, min. 30, alt. 153—414 mill. 
(Coll. Nr. 345.) 
Helic Newberryana  W. G. Binn. in Proc. Ac. Philad. May 
1858. p. 46 (Pfr. in Malak. Bl. 1859. p. 7); 
Terr. Moll. IV. p. 20. t. 76. f. 7. 
Habitat in California. 
* 
821. (557. Wallseri Gray. |. — hRhytida A?. 89. — Nova Hollan- 
dia. (I. 407.) 
M. 41 
