442 MR. H. ADAMS ON SHELLS FROM EASTERN PERU. [Nov. 22, 



22. Bulimus (Orphntjs) t.enioltjs, Nyst. 



23. Otostomtjs crichtoni, Brod. 



A single example only, and in bad condition. The typical speci- 

 men in the British Museum has hitherto been unique. 



24. Otostomtjs expanstjs, Pfr. 



25. Otostomtjs canalictjlattjs, Pfr. 



26. Otostomtjs ptjlcherrtmtjs, sp. nov. (PI. XXXVIII. 

 fig. 3.) 



O. testa subperforata, fusiformi, tenuiuscula, obsolete irregulariter 

 striata, Icevigata, albida, strigis nigricanti-castaneis alio punc- 

 tatis, 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; aper- 

 tura parum obliqua, rhombeo-ovali ; perist. roseo, marginibus callo 

 tenuijunctis, 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. Otostomtjs bartletti, sp. nov. (PI. XXXVIII. fig. 4.) 



O. 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. Otostomtjs scitus, sp. nov. (PL XXXVIII. fig. 5.) 



O. testa rimato-perforata, ovato-pyramidata, tenuiuscula, irregula- 

 riter subrugoso-striata et lineis spiralibus minulis obsolete decus- 

 sata, luteo-alba, striga interrupta fusca et maculis sparsis ornata; 

 spira conica, apice acuta ; anfr. 6, planiusculis, ultimo spiram 

 paulo superante, rotundato , basi compresso, circa perforationem 

 obtuse carinato ; columella contorta ; apertura verticali, lata, ro- 

 tundato-auriformi, intus violacea ; perist. simplici, undique late 

 expanso. 



Long. 28, diam. maj. 17, min. 13 mill. 



One example only. 



29. Otostomtjs (Drym^etjs) musivus, Pfr. 



30. Otostomtjs (Drym^etjs) montagnei, D'Orb. 



31. Otostomtjs (Leptomertjs) heloictjs, D'Orb. 

 22. Otostomtjs (Mormtjs) exornatus, Reeve. 



