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Show 332 DR. O. BOETTGER ON NEW CLAUSILInE. [May 1, typo simillima, sed lam.supera brevissima,perist. minus expanso discrepans. Alt. 17^-18, lat. 3|-3f mm. ; alt. apert. 4, lat. apert. 3 mm. Sab. Unia Islands, north of East Crete (Spratt). Tbe form of the neck and the apparatus claustralis being nearly identical, this shell must be considered a local variety of G. sculp-ticollis, though its colour and habitus are indeed very different from those of the shell inhabiting the neighbouring Sofrana Islands. 20. CLAUSILIA HERACLEENSIS, n. sp. (Plate XXXIII. fig. 8.) T. breviter rimata, fusiformis vel turrito-fusiformisfenera, nitida, lactea, hie illic griseo-strigata ; spira magis minusve elongata ; apex corneus. Anfr. 11-J-12 convexiusculi, sutura simplici dis-juncti, fere laves, sed striis spiralibus necnon transversis obliquis obsoletissimis quasi malleolati ; tdtimus deorsum angustatus, a latere compressus,bicristatus, cristis longissimis sed parum vali-dis, parallelis, exteriore distinctiore, ante aperturampauciruga-tus, rugis solum 4-6 distantibus,parum validis,sursum evanidis, sed acutiusculis. Apert. parva, ovato-oblonga, faucibusfuscis, perist. parum expanso, albo; lamella subaquales, supera spiralem fere attingens, infera semilunaris oblique ascendens, intus subfurcata, subcolumellaris et oblique intuenti non conspicua ; lunella valde arcuata, subdorsalis. Alt. 18-20^-, lat. 4 mm. ; all. apert. 3-f, lat. apert. 2\ mm. Sab. Near Kandia (town), island of Crete (Spratt). One of the Admiral's most interesting species, and without close relation to any other known Albinaria. The neck-crests being analogous in form to those of C. sculpticollis, I think best to rank it here next to that species. But the habit also approaches somewhat that of C. olivieri, Roth; and so the new shell seems to connect the olivieri with the carulea group. Accordingly I prefer to place it in a group by itself in the vicinity of the carulea group. 21. CLAUSILIA MANSELLI, n. sp. (Plate XXXIII. fig. 9.) Statura magnituclineque C. extensse, P., et C. distantis, P., colore, sculptura spira, forma apertura C. claree, Bttg., sculptura cervicis C. extensae, P. Valde off. C. clara3, Bttg., sed turrito-fusiformis; anfr. 12-13, sutura haud marginata, sed costis transgredientibus distincte crenata disjuncti, costis aquidi-stantibus, subalternantibus, 11-12 in singulis anfractibus ornati; tdtimus aque costatus ac penultimus, costis 11-12 non validioribus, sursum prope aperturam bifidis. Forma apertura late ovalis apparatusque claustralis C. clarae, Bttg. Alt. ca. 22-|-, lat. 4-i- mm. ; alt. apert. 4±, lat. apert. 3\ mm. Sab. Kavallos Islands, east of Crete (Spratt). This species, which I name in honour of Rear-Admiral Arthur Lucis Mansell, who for many years served in the Levant under Vice- Admiral Spratt (see Spratt's ' Travels and Researches in Crete') and now resides at Chalkis, is nearly allied to O. clara, Bttg., from the Bay of Mirabello ; but the ribs of its shell are nearly equidistant and |