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Show 442 MR. H. ADAMS ON SHELLS FROM EASTERN PERU. [Nov. 22, 22. BULIMUS (ORPHNUS) T^ENIOLUS, Nyst. 23. OTOSTOMUS CRICHTONI, Brod. A single example only, and in bad condition. The typical specimen in the British Museum has hitherto been unique. 24. OTOSTOMUS EXPANSUS, Pfr. 25. OTOSTOMUS CANALICULATUS, Pfr. 26. OTOSTOMUS PULCHERRIMUS, sp. nov. (PI. XXXVIII fig. 3.) 0. testa subperforata, fusiformi, tenuiuscula, obsolete irregulariter striata, larvigata, albida, strigis nigricanti-castaneis albo supra flexuosis, infra disjunctis et macularum series 2 for-mantibus, ornata; spira turrit a ; anfr. ?, modice convexis, ultimo basi compresso et valde obtuse carinato ; columella arcuata; apertura parum obliqua, rhombeo-ovali; perist. roseo, marginibus callo tenui junctis, dextro expanso, columellari reflexo, superne adnato. Long, circa 45, diam. 17 mill. One example only of this beautiful species has been obtained; and of that unfortunately the upper whorls are deficient. 27. OTOSTOMUS BARTLETTI, sp. nov. (PI. XXXVIII. fig. 4.) 0. testa umbilicata, globoso-conica, tenuiuscula, irregulariter striata et lineis minutissimis spiralibus confertim decussata, albida, fascia castanea interrupta albo punctulata et flammis fuscis picta; spira conica, obtusiuscula ; anfr. 5,planiusculis, ultimo ventricoso, ascendente, spiram paulo superante, basi obtuse carinato ; apertura subverticali, obliqua, subovali; perist. tenui, undique late expanso. Long. 25, diam. maj. 26, min. 18 mill. Two examples, one in good condition, of this very finely marked and interesting species were obtained by Mr. Bartlett. 28. OTOSTOMUS SCITUS, sp. nov. (PI. XXXVIII. fig. 5.) O. testa rimato-perforata, ovato-pyramidata, tenuiuscula, irregulariter subrugoso-striata et lineis spiralibus minutis obsolete decussata, luteo-alba, striga interrupta fusca et maculis sparsis ornata; spira conica, apice acuto; anfr. 6, planiusculis, ultimo spiram paulo superante, rotundato, basi compresso, circa perforalionem obtuse carinato ; columella contorta; apertura verticali, lata, auriformi, intus violacea; perist. simplici, undique late expanso. Long. 28, diam. maj. 17, min. 13 mill. One example only. 29. OTOSTOMUS (DRYM^EUS) MUSIVUS, Pfr. 30. OTOSTOMUS (DRYM^EUS) MONTAGNEI, D'Orb. 31. OTOSTOMUS (LEPTOMERUS) HELOICUS, D'Orb. 22. OTOSTOMUS (MORMUS) EXORNATUS, Reeve. |