114 CASSIDULA $g. 2. 
plani, omnes infra suturam bisuleati, ultimus ?/, longitudinis 
subaequans, basi attenuatus; plicae parietales 2, superior levis, 
compressa, obliqua, altera infra medium major, fere trans- 
versa, extus in cristam compressam, elevatam, periomphalum 
mediocre, excavatum cingentem contünuata; plica columellaris 
acuta, extus ad marginem producta; apertura subobliqua, acu- 
minato-oblonga; perist. incrassatum, patens, margine dextro 
intus callo albo, superne exciso, tum bidentato munito, colu- 
mellari parum dilatato, adnato. — Long. ll, diam. 5!/j mill. 
Ap. €. perist. 7 mill. longa. (Coll. Nr. 74.) 
Cassidula lutescens  Pfr. mss. I 
Habitat . . .? 
143 10. €. suieulosa Yousson. 
T. subrimata, ovata, crassa, striata et sulcis spiralibus 
confertis sculpta, vix nitidula, nigro-fusca, griseo-fulva vel 
albida, interdum fasciata; spira conoidea, acutiuscula, interdum 
erosa; anfr. 8 plani, vix discreti, ultimus ?/, longitudinis sub- 
aequans, superne subangulatus, versus basin sensim attenuatus, 
carina elevata , periomphalum mediocre cingente, munitus; 
apertura vix obliqua, oblonga, supra medium coarctata ; plieae 
parietales 2, superior parva, nodiformis, altera tncdiid) com- 
pressa, oblique descendens; plica columellaris compressa, 
oblique ascendens; perist. extus perincrassatum, margine dextro 
intus superne arcuatim exciso, tum dente longitudinali basin 
attüngente munito, columellari dilatato, patente, plica longi- 
tudinali munito. — Long. 16, ih max. 93/, mill. Áp. c 
perist. fere 12 mill. longa. (Mus. Cuming. et Coll. Nr. 15) 
Auricula sulculosa ( Cassidulus) Mouss. Jav. Moll, p. 45. t. 5. f. 8. *) 
Cassidula sulculosa H. et 4. 4dums in. Proc. Zool. Soc. 1854. p. 31. 
n. 9. Gen. rec. Moll. II, p. 239. 
— — Pf; Syn: Auric. n. 116. 
Habitat in radicibus Rhizophorae in sinu Pampang insulae 
Javae (Zollinger) et in insula Bureas Philippinarum (H. 
Cuming). 
*) T. ovata, crassa, imperforata, spiraliter sulcata, transversim striatula, 
albicans. Spira conica. Anfractus 8 — 9 plani; in aetate juvenili ornati 
ad suturam ciliis membranaceis remotis; ultimus ?/3 longitudinis aequans, 
2 seu 3 fasciis obscuris griseo fuscis ornatus; periomphalo albo, carinato. 
Apertura coarctata, peristomate albido, extus maxime inerassato; columella 
superstructa; margine dextro in prima tertia attenuato, de secunda tertia 
dente elongato incrassato; margine columellari triplicato, pliea media maxi- 
ma, simplice, sublamelliformi, supera minima punctiformi, infera oblique 
decurrente. — 1 Dim. 15. — 2 Dim. 8, 7. — 3 Dim. 7, 3 mill. — Rat. 
anfr. 4:11. — Rat apert. 1:2. (Mouss, l. e.) 
