162 



* 67. Chemnitzia exilis C. B. Ad. Contr. p. 74. 

 T. costis 15 — 18 crassis; interstitia lineis spiralibus 

 numerosissimis sed non antice; anfr. 10 plani. 



Long. 0,165 poll. (4 mm.), lat. 0,037 poll. (Adams). 

 Hab. Jamaica (C. B. Adams), St. Thomas (Riise). 



*** T. basi spiraliter striata, interstitia costarum lae- 

 vigata. 



68. Chemnitzia turris cVOrb. Cuba p. 219. 

 t. 16. f. 10—13. 

 T. tenuis antice substriata spiraliter striata sed inter- 

 stitia costarum laevigata; anfr. 14 subcomplanati columella 

 incrassata. Long. 7 mm.; diam. l^mm. (d'Orb.). 



Melania Campanellae Phil. Pfr. Uebersicht d. Moll. 

 Cuba Archiv für Naturg. II. 1840. p. 254. n. 82.? 



Hab. St. Thomas (Cande, Riise), Rio Janeiro (d'Orb. 

 Am. mer. p. 290). 



**** Testa spiraliter striata. 



69. Chemnitzia siibstriata C. B. Adams Contr. p. 73. 



T. subelongata, alba superne ad suturam pallide cerea, 

 costis 22 — 24 crassiusculis in interstitiis et ad basin lineis 

 confertissimis et minutissimis vix sub lente detegendis; in 

 medio anfr. serie intercostali spirali fovearum humilium; 

 anfr. 8 plani. 



Long. 0,115 poll. (2 1 /-2 mm - diam. 1mm.) 



Hab. Jamaica (C. B. Adams), St. Thomas (Riise, Krebs). 



If d'Orbigny possibly has overlooked the minute 

 spiral Striae this species is perhaps the same as the pre- 

 ceding. 



70. Chemnitzia puncta C. B. Adams Contr. p. 72. 

 T. costis 26 — 30 sat prominentibus, abruptis ad peri- 

 pheriam, lineis numerosissimis spiralibus in interstitiis qua- 

 rum linea supra mediana et linea suturali latior et pro- 

 fundior uti seriatim punctata. 



