50 
ALYCAEUS §. 4. 5. 
260. 
261. 
circularis; peristoma ad anfractum penultimum breviter inter- 
ruptum, marginibus callo junctis, duplex; externo expansulo, 
interne breviter porrecto. — Operc. corneum , multispirum, 
externe perconcavum, nucleo centrali interno prominente papil- 
lari. — Diam. maj. 4 , min. alt. 21/2? apert. diam. 1^/4 
mill.“ (Bl.) 
Alycaeus Theobaldi W. T. Blanf, Contrib. to Ind. Malac. III. 1862. p. 8. 
Habitat cum A. hebeti in montibus Khasi (W. Theobald 
jun.) 
Obs. Species characteribus ad sectionem Characem accedens. 
22 . A. loEi^itiiba Martens* f 
„Testa perspective umbilicata, conoideo-depressa, conferte 
striata, alba ; spira paulum prominens, obtusa ; anfr. 41/2, con- 
vex!, ultimus inflatus, 2^/2 millim. ante aperturarn constrictus 
et tubulo in ipsa sutura recurrente 2 millim. longo munitus, 
inter stricturam et aperturarn cristis duabus obliquis, altera 
abbreviata , instructus ; apertura perobliqua , subcircularis ; 
peristoma duplex, externum reflexum, tenue, album, internum 
porrectura, incrassatum, aurantium. — Diam. maj. 6 , min. 473, 
alt. 4 , apert. diam. IV2 mill.“ (v. M.) 
Alycaeus longituba Mart in Monatsber. Berl. Ak. 25. Febr. 1864. 
Habitat prope Kepahiang insulae Sumatrae. 
Obs. Characteres cum sectione prima non omnino quadrare videntur, 
et species descripta novae forsan sectionis typum praebebit. 
§. 5. 
23. A. succiiieus Blaiiford. f 
„Testa aperte umbilicata, depresse turbinata, acute sinuato- 
costulata, succinea, translucens. Spira conoidea, apice ob- 
tusula, sutura impressa. Anfr. 4 , ultimus ad latus inflatus, 
ibidem confertissime costulatus. Strictura longa, medio tumida, 
et 2 vel 3 costulis obliquis, sulculis internis correspondentibus, 
signata. Tubulum suturale mediocre, i/4 peripheriae subaequans. 
Apertura obliqua, irregulariter circularis, superne subangulata; 
peristoma duplex: interno continuo, incrassato, expansulo, 
margine dextro bis obtuse angulato, ad basin canaliculo baud 
intrante perforate; externo breviter expanse, retro relicto. — 
Diam. maj. 5 , min. 4 , alt. 31/4, apert. diam. 1^/2 mill.“ (Bl). 
