ALYCAEUS §. 5. 6. 
63 
extus concavum, irregulare, spiraliter laminosum, striis incre- 
ment! peripheriam versus expressis, intus planum, laeve, ma- 
milla centrali ; peripheria marginata , acie sulco (liviso. — 
Diam. l 4 / 5 mill. 44 (M.) 
Alycaeus Reinhardi (Charax) Morch in Journ. Conch. XX. 1872. p. 315; 
Vid. Medd. XI. 1872. p. 22. 
Habitat in insulis Nicobaris. 
33. A. bifrons Theobald, f 
„ Testa perspective umbilicata, depresse conoidea, trans- 
lucente , cornea ; apice rubello ; spira elevatiuscula , sutura 
impressa; anfractibus quatuor, rotundis, juxta stricturam regu- 
lariter et confertim striato-costulatis, reliqua parte aliquando 
fere laevigatis, aliquando levissime striatis. Strictura glabra, 
longa, fere quartam ult. anfractus aequante, duabus costis fortis- 
simis munita, quarum posterior paulo robustior et anteriore lon- 
gior est; tubulo suturali tenuissimo, adpresso, quartam peri- 
pheriae aequante; apertura ampla, circulari, sensim deflecta; 
perist. duplici, albido, labio adnato angustissimo, labro infra 
modice incurvato. — Diam. maj. 0,20, min. 0,15, alt. 0,10 
unc. 44 (Th.) 
Alycaeus bifrons Theob. in Journ. As. Soc. XXXIX. 1870. Pt. 2. p. 398. 
t. 18. f. 1. 
Habitat „Shan States 44 Indiae (Fedden). 
§• 6 . 
34. hebes Bens. II. 37. III. 51. — India. 
35. Gernmula Bens. III. 52. — Yallis Rungun. 
36. stylifer Bens. II. 37. III. 52. — Himalaya. 
37. spiracellum (Cyclostoma) A. Adams & Reeve. I. 50 (Ptero- 
cyclos?). II. 35. III. 52. — Martens Ostas. Zool. II. p. 150. — 
A. Adams in Proc. Zool. Soc. 1867. p. 314: Japonia. — Opistlio- 
porus spiracellum Bens. — Alcyaeus spiracellum Issel Moll. Born, 
p. 77. — Borneo. 
38. stran gulatus (Cyclostoma) Hutt. (Coll. 8.) I. 120. II. 37. III. 
52. — Patel Cat. p. 119. — Cyclophorus stranaulatus Pjr. — India. 
39. A. Avae Bianford. t 
„Testa depressa, aperte umbilicata, tenuis, undique dense 
(fortius in parte inflata anfr. ultimi) costulata, alba vel pallide 
succinea ; spira perdepresse conoidea , apice obtuso , sutura 
impressa; anfr. 4, ultimus latere perparum inflatus, turn mo- 
dice constrictus; constrictio longiuscula, medio tumida, indi- 
stincte costulata; tubus suturalis brevis, circa - D/ 2 mill.; aper- 
