GEORISSA. CHONDRELLA. 293 
11. 6. multilirata Brazier. 7 
», lesta imperforata, oloboso-conica, rufo-fusca, fortiter 
spiraliter striata, interstitiis rudiusculis, nitida; anfr. 4, rotun- 
dato-convexi, sutura canaliculata; spira conica, apice papillari; 
basis convexa lineis spiralibus subülissimis notata; apertura 
verticalis, lunata; peristoma incrassatum; margo columellaris 
strictus, incrassatus, callo albo circa perforationem excavatam. 
— Opbperculum testaceum, ovatum, laevigatum, fusculum, pro- 
tuberantia longe acuminata in facie interna, ubi animal affixum 
est, munitum. — Diam. maj. ?/,, min. !/5, alt. 1 lin.* (B. angl.) 
Georissa multilirata Braz. in Proc. Zool. Soc. 1874. p. 670. t. 83. f. 8—10. 
Habitat Fitzroy Island. Australiae. 
12. ? &. hyalina (Acmella) Theobald & Stoliczka. 7 
Ac. testa ovato-conica, modice perforata, hyalina, sordide 
albida; spira obtusa; anfractibus 4!/, convexiusculis, sutura 
simplici et profunda junctis, ad suturam subtruncatis, laevigatis, 
ultimo spira paulo breviore, basi convexo; apertura regulariter 
ovata, supra (vel postice) subangulata, haud obliqua, "peristo- 
mate tenui fere continuo. — Long. 1, lat. 0,7 mill. — Oper- 
culum deest.* (Th. & St.) 
Acmella hyalina. Theob. & Stol. in Journ. As. Soc. Beng. XLI. 1872. Pt. 
2p. 888- COIT. £7. 
Habitat in collibus caleareis prope Moulmain. 
Obs. ,Genus Aemella Blanf. (Ann. and Mag. n. h. 1869. Mart, ubi 
subgenus Aciculae) evidenter a Georissa s. Hydrocena, genere Helicinidarum 
diversum est, cum Acmella ad Cyclophoridas pertinere, vel forma Assimineae 
et Omphalotropidi affinis et Cyclophoridas cum Rissoidis connectens esse 
videatur.* 
IX. Chondrella. Pease. 
»Lesta globoso-conica, tenuiuscula, striata, imperforata, 
vel vix rimata; apertura fere circularis; peristoma simplex, 
tenue, marginibus late disjunctis; columella callo appresso, 
late dilatato, induta, locum umbilici tegens. — Animal tenta- 
culis nullis, oculis supra caput immersis. — Operculum testa- 
ceum, solidiusculum, pallidum, nitidum, oblongo-ovatum, latere 
dextro fere recto, utrinque rotundatum; extus planum, laevi- 
gatum, nucleo obsoleto, marginibus anterioribus et lateralibus 
angulatis; subtus vix concavum, margine rotunde calloso, quasi 
costato,* 
