580 CYLINDRELLA §. 12. 



88. Lavalleana Orb. -^- Mon. II. p. 372. 



89. C. denticulata Pfr. 



T. vix subrimata, subulata, non truncata, teuuis, lineis 

 arcuatis, obtuse prominulis undulata, pallide cornea, albido 

 variegata; spira elongata, apice acutiuscula; sutura confertim 

 albo-denticulata; anfr. 19 planiusculi, ultimus antice costulato- 

 striatus, basi carinatus, non protractus; apertura subcircularis ; 

 perist. expansum, superne subinterruptum. — Long. 23, diam. 

 3% milL Ap. 3% milL longa. (Mus. Cuming.) 



Cylindrella denticulata Pfr. in Proc. Zool. Soc. 1851. 

 Habitat in Mexico. 



90. Dunkcriana Pfr. (Coll. 57. — Jamaica.) . . . Mon. 11. p. 383. 

 p. Paulo major, medio subventrosa , rubra: 



Cylindrella cylindrus Adams in Proc. Bost. Soc. 1845. p. H. 

 — rubra Adams cat. 1847. Cf. Contrib. to Conch. p. 23. 



* 



91. C. princcps Adams. *!* 



T. C. Dunkeri similis, sed multo major, rufo-fusca vel 

 cornea, striis multo subtilioribus, fere microscopicis, anfracti- 

 bus superst. 12 planis, apertura elliplica, basi angulata, labro 

 crasso. — Long. 0,98; lat. 0,15 polL (A.) 



Cylindrella princeps Adams Contrib. to Conch. N. 9. p. i67. 

 Habitat Swift R. head, St George insulae .lamaicae. 



92. C. clatior Adams. f 



T. C. Dunkeri affinis, major, crassior, valide striata, an- 

 fractibus magis planulatis; multo longior et graciiior quam C. 

 rubra. — Long. 0,93; lat. 0,13 polL (A.) 



Cylindrella elatior Adams Contrib. to Conch. N. 9. p. 167. 

 Habitat Westmoreiand insulae Jamaicae. 



93. C. similis Adams. 



T. subrimata, cylindrica, truncata, solidula, oblique et 

 confertim striata, pallide cornea; anfr. superst. 11—12 angusti, 

 convexiusculi , ultimus superne vix solutus, basi arcuato-cari- 

 natus; apertura obliqua, circularis; perist. continuum, undiquo 

 breviter reflexum. — Long. 12^2, diam. 2^3 milL Ap. 2^^ 

 milL diam. (ColL Nr. 58.) 



Cylindrella similis Adams Gontrib. lo Conch. N. 2. p. 23. 

 Habitat in insula Jamaica. 



94. C. tcncUa Adams. 



T. subcylindracea, truncata, subtiUter et confertim oblique 



