HELIX §. 59. 213 



1323. H. acanthinula Crossc. ^ 



«T. iinibilicata , dcpressa, subdiscoidea, tenuis, pellucida, 

 haud nilida, striis inaequaliter rugulosis, conferlis, subobliquis, 

 longiludinaliter impressa, sub epidermide uigricante, olivacea, 

 unicolor; spira depressa, planata; sutura impressa; anfr. 3^2 

 planati, penultimus obsolete carinatus, ultimus non dcscendens, 

 versus basin planiusculus, carinis 3 munitus, lacinias brevis- 

 simas, distantes, spinularum obtusarum more, emittentibus, prima 

 carina subsuturali, secunda mediana, tertia basali; aperlura ob- 

 liqua, angulato-subovata, latiuscula, intus nitidula, olivacea; 

 perist. simplex, marginibus convergentibus, parum dislantibus, 

 columcllari fornicatim subdilatato, umbilici mediocris partem 

 exiguam obtegente, basali et externo acutis. — Diam. maj. 4^2, 

 min. 3^2, alt- 2 mill. Apert. 1 y^ mill. longa, 2 lata.» (Cr.) 

 Helix acanthinula Crosse in Journ. Conch. XVI. 1868. p. 94. 

 t. 1. f. 6. 

 Habitat Noumea Novae Caledoniae (E. Marie). 



1324. volutclla Gassies. f Vid. Nr. 1060. 



1325. labilis Gould. •{• Y. i\)2. — Hyalina labilis Mart., (Microcystis) 



A. Adams in Ann. and Mag. 4th. ser. 1. p. 4G. — Ilaliodadi, 

 ins. Jcsso. 



1326. Wlurphyi Cox. f V. i92. — Discus Cox Mon. Auslr. landsh. 



p. 23. — Australia. 



1327. H. cxagitans Cox. f 



«Testa profunde et aperle umbilicata, plano-convexa, su- 

 perne plana, subtus convexa, pallide fusco-lutea, facie supera 

 irregulariter et subtiliter striala; anfr. 5, rapide accrescenles, 

 ullimus acute carinatus, anlice non depressus; perist. simplex, 

 lenue. — Diam. maj. 0,09, min. 0,06, alt. 0,04 poll. » (C. angl.) 



Helix exagitans Cox in Proc. Zool. Soc. 1870. p. 83. 

 Habitat in insula Norfolk (Brazier). 



* * * 



1328. H. IVZacgregori Cox. f 



« Testa latissime umbilicata , discoidea , superne perfecte 

 plana, subtus ampliter excavata, pallide lutescenti-fusca; anfr. 10 

 — 11, lentissime accrescenlcs, ruditer striali, aspectum glome- 

 ratum {<iCoiled upy>) praebentes, similiter ac H. polijgyrata; 

 anfr. ultimus superne carinatus, subtus rotundatus, antice leviter 

 dilatatus et valdc deflexus; sutura marginata; apcrtura per- 

 obliqua, ovato-rotundala; labrum margine irregulare; levitcr 



