— 187° — 
distinetis, antice vix descendens. Apertura obliqua, fere 
diagonalis, ovato-rotundata, valde lunata, intus fuscescens; 
peristoma aculum, fere aequaliter arcuatum, marginibus 
sat distanlibus, vix callo tenuissimo translucido junctis, 
basali oblique arcuatim ascendente, intus tenuissime remote 
fusco sublabiato. 
Alt. 6, diam. maj. 11, min. 10 mm. 
Helix (Xerogyra) vigiliana Monterosato in litt. Hab. 
in cacumine Montis Vigilii Aprutiorum, alt. 2100 m. 
Literatur. 
Proceedings of the Malacological Society of London, vol. 4 
No. 3. October 1900. 
p. 103. Randles, W. B., on the Anatomy of the genus Acavus. 
„ 114. Sykes. E. R., on the genus Acavus. 
„ 116. Melvill, J. Cosmo, Description of Bulimulus dukinfieldi (with 
fig.), — Vom oberen Parana. 
„ 117. Woodward, M. F., Anatomy of Voluta ancilla, Neptuneopsis 
gilehristi and Volutilithes abyssicola. (pl. 10). 
„ 126. Sowerby, G. B., new marine Mollusca from CGebu, Philippines. 
(Neu: Ocinebra kochiana p. 126 t. 11 fig. 1; — Mitra (Callithea) 
alabaster p. 126 t. 11 fig. 2; — Marginella unguicula p. 126 
t. 11 Gg..3; ,— ‚Natica. labro-tineta p. 127 t..11 fig. &; — 
Mucronalia philippinarum p. 127 t. 11 fig. 5; — M. eylindrica 
p- 127 t. 11 fig. 6; — Glyphostoma rugilabrum p. 129 t. 11 
fig. 7; — Leptothyra viridula p. 128 t. 11 fig. 8; — Cyclostrema 
eristata p. 128 t. 11 fig. 9; — C. dispar p. 128 t. 11 fig. 10; 
— Vitrinella simplex p. 128 t. 11 fig. 19; — Ringicula kochiana 
p. 1291. 11 fig. 2. 
p- 130. Newton, R. Bullen, on marine triassie Lamellibranchs, dis- 
covered in the Malayan Peninsula. — Der Horizont ist durch 
das Vorkommen von Chlamys valoniensis sicher bestimmt. 11 
Arten, davon neu Pteria pahangensis t. 12 fig. 3-5; — Ptero- 
perna malayensis t. 12 fig. 7; — Actinodesma bellamyi t. 12 
fig. 2; — Myophoria malayensis t. 12 fig. 15. 
„ 136. Sykes, E. R., on Despoena -cinnamomea n. sp. and type ofa 
new Subgenus, Ghersodespoena, with notes on some allied forms, 
