175: 



15. Cylichna verrillii Dali. 



Differt a C. albo Br. testa coerulescenti-alba, epidermide tenoiasima, rix foscescente, 

 süperficie undiqae spiraliter striatula, columella crasaa, magis contorta, subplicata; p«t' 

 foratione distincta; angulo snpero magis producto. 



Long. 7,5, diam. 3 mm. 



Cylichna verrillii Dali Rep. Blake Gastrop. p. 54. 



Vor Nordcarolina. 



16. Cylichna krebsii Mörch. 



Testa brevis, cylindrica, regulariter spiraliter striata, striis incrementi distinctis ; 

 labmm Bupra subproductum ; apex imperforatus, callo tenui obtectus; columella fortiter 

 angulata, sicut in Haminea succinea Couth. 

 Alt. 8, diam. 4 mm. 



Cylichna Krebsii Morch Mal. Bl. XXII p. 172. — Dali Blake Gastrop. 

 p. 55. 



Westindien. 



17. Cylichna luticola C. B. Adams. 



Testa Bubcylindrica, infra dilatata, pallide cornea, subtransparens, striis incrementi 

 sabtilissimis ; apex perforatus, perforatione profunda, angusta, a labri insertione partim 

 tecta; anfr. ultimus medio compressus; apertura supra linearis, infra subcircularis; labrum 

 super umbilicum ascendens, tenuissimum, medio productum; columella incrassata; regio 

 umbilicalis infra indentata, partim callo obtecta. 

 Long. 4,2, diam. 2 mm. 



Bulla (Cylichna) luticola C. B. Adams Panama Cat. p. 215. 

 Haminea luticola A. Adams Genera II p. 16. 



Cylichna — Carpenter Mazatlan p. 170. Moll. Western N. Amer. 

 p. 34. 

 — — Pilabry Manual vol. XVI p. 302. 



Panama, Mazatlan. 



