580 CYLINDRELLA §. 12. 



88. Lavalleana Orb. ^ . . Moii. II. p. 372. 



89. C. denticulata Pfr. 



T. vix subrimala, subulala, non truncata, teuuis, lineis 

 arcuatis, obtuse prominuiis undulata, pallide cornea, albido 

 variegata; spira elongata, apice acutiuscula ; sutura confertim 

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

 striatus, basi carinatus, non protractus; apertura subcircularis ; 

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

 3^3 mill. Ap. 3% mill. longa. (Mus. Cuming. ) 



Cylindrellu denticulata Pfr. in Proc. Zool. Soc. <851. 

 Habitat iii Mexico. 



90. Dunkeriana Pfr. (Coll. 57. — Jamaica.) . . . Mon. II. p. 383. 

 p. Paulo major, medio subventrosa , rubra: 



Cylindrella cylindrus Adams in Proc. Bost. Soc. 1845. p. 14. 

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



* 



91. C. princeps Adams. •}• 



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

 cornea, striis multo subtilioribus, fere microscopicis, anfracli- 

 bus superst. 12 planis, apertura elliptica, basi angulala, labi"© 

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



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

 Habital Swift R. head, St. George insulae Jamaicae. 



92. C. elatior Adams. -f 



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

 fractibus magis planulalis; 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 Westmoreland insulae Jamaicae. 



93. C. similis Adams. 



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

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

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

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

 breviter reflexum. — Long. I^y^, diam. 2% mill. Ap. 2^^ 

 mill. diam. (Coll. Nr. 58.) 



Cylindrella similis Adams Contrib. to Conch. N 2. p. 2 3. 

 Habitat in insula Jamaica. 



94. C. tenella Adams. 



T. subcylindracea, truncata, siibtiliter et confertim oblique 



