1866.] MR. H. ADAMS ON SHELLS FROM EASTERN PERU. 441 



4. Pomus h.emastomus, Reeve. 



5. Pomus lymn.eiformis, Reeve. 



6. Pomus papyratius, Spix. 



7. Pomus nubilus, Reeve. 



Fam. Helicid^e. 



8. Rumina (Obeliscus) riparia, Pfr. 



9. Rumina (Obeliscus) pusilla, sp. nov. (PI. XXXVIII. 

 fig. I.) 



R. testa imperforata, turrita, tenuiuscula, striata, parum nitente, 

 pallido-fulva ; spira elongata, apice obtusiusculo , sutura impressa, 

 non marginata; anfr. 7, p/aniusculis, ultimo \ longitudinis aequante, 

 basi rotundato ; columella superne vix torta ; apertura parva, 

 ovali ; perist. simplici, recto, margine dextro leviter arcuato, co- 

 lumellari reflexiusculo. 



Long. 8, diam. 2 mill. 



10. Rumina (Subulina) octona, Chem. 



11. Clausilia (Nenia) bartletti, sp. nov. (PI. XXXVIII. 

 fig. 2.) 



C. testa non rimata, pupiformi, solidula, longitudinaliter oblique 

 undulato-striata, haud nitente , purpurascente ; spira convexo-tur- 

 rita, apice obtuso, sutura pallidiore ; anfr. 7, convexiusculis , ultimo 

 angustato, deorsum soluto, basi rotundato, antice confertim striato ; 

 apertura subverticali, ampla, pyriformi ; lamellis convergentibus, 

 superiore valida, inferiore Jfexuose ascendente ; lunella distincta ; 

 plica palatali \, supera, elongata, subcolumellari inconspicua; 

 perist, continuo, libero, pallidiore, undique late expanso, reflexius- 

 culo. 



Long. 24, diam. 6 mill. 



- 12. Labyrinthus furcillatus, Hupe. 



13. Labyrinthus bifurcatus, Desh. 



14. Labyrinthus leprieurii, Petit. 



15. Ammonoceras guayaquilense, Pfr. 



16. Ophiogyra stenogyra, Pfr. 



1 7. Ophiogyra stenostrepta, Pfr. 



18. BULIMUS MAXIMUS, Sow. 



19. Bulimus (Dryptus) melanocheilus, Nyst. 



20. Bulimus (Eurytus) piperitus, Sow. 



21. Bulimus (Eurytus) floccosus, Pfr. 

 Proc. Zool. Soc— 1866, No. XXIX. 



