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Show 1881.] MR. G. B. SOWERBY, JUN., ON N E W SHELLS. 635 16. CERITHIDEA CHARBONNIERI, Petit. Bandjermasin; not so common as the former. 17. CLEA NIGRICANS, Bens. Bandjermasin ; common. Only in young shells is the apex perfect; in the old ones, the spire is broken and eroded. Dr. Brot makes out two varieties-C. maxima, H. Ad., and C.fas-ciata, H. Ad. 18. CLEA BOCKII, sp. nov. [This species will be described by Dr. A. Brot in M . Crosse's 'Journal de Conchyliologie.'] NERITIDJE. 19. NERITINA DEPRESSA, Benson. Common in the brackish waters at Bandjermasin. 20. NERITINA (CLITHON) ACULEATA (Gmelin). Bandjermasin ; rather rare. Six specimens found, with the spines only feebly developed. 21. NERITINA PIPERINA, Chem. Exceedingly abundant at Bandjermasin, and ornamented in great variety. 22. AURICULA JUD^E, Lin. On the Koeti coast, amongst the mangroves and Casuarinse. EXPLANATION OF PLATE LV. Fig. 1. Helix yranaria, p. 628. 2. Helix maarseveeni, p. 629. 3. Helix smithi, p. 629. 4. Helix rufo-filosa, p. 630. 5. Bulimus paioensis, p. 630. Fig. 6. Vitrina hyalea, p. 631. 7. Bella mindaiensis, p. 633. 8, 8a, &' Pterocyclos mindaiensis, p. 634. 2. Description of eight new Species of Shells. By Gr. B. SOWERBY, Jun. [Received April 7, 1881.] (Plate LVI.) 1. CONUS THOMASI, n. sp. (Plate LVI. fig. 4.) Testa elongata, solida, alBida vel pallide carnea, minute cancellata, epidermide fusca crassa induta ; spira oBtusa, vix elevata ; an-fractus superne declives, spiraliter minutissime striati; anfr. ultimus superne rotunde angulatus, infra angulum aliquanto con-vexus, delude rectiusculus; apertura modica, supra et infra suB-a? qucditer lata, fauce pallide carnea. Long. 75, diam. 35 millim. HaB. Red Sea. 41* |