72 



Mr. J. Lycett on Fossil Shells from the 



Genus. 



36. Trochus 



37. 



38. 



39. 



40. 



41. 



42. 



44. Pleurotoma- 

 ria 



45. 



48. Trochotoma 



46. .... 



47. .... 



49. .... 



51. Natica .... 



54. Phasianella 



55. .... 



55*. .... 



56. Acteonina . 



57. .... 



58. .... 



59. Cvlindrites 



60. .... 



61. .... 



62. .... 



63. 



64. Chemnitzia 



65. .... 



98. ..... 



99. — - ...r 



66. Ceritella,n.g. 

 99*. Chemnitzia 



67. Ceritella ... 



69. Scalaria 



70. Solarium ... 



71. 



72. 



73. 



74. Eulima 



75. Rissoa 



76. Rissoina , 



76*. 



77. Cerithium ... 



78. 



79. 



80. 



81. 



Species. 



monilitectus . . . 

 bi-cingendus . . , 



alternans 



gemmatus [tus 

 cingillato - serra- 



pileus 



infundibuliformis 

 funata 



laevigata 

 calix 



carmata 



depressiuscula 



funata 



canaliculata . . . 

 acutiuscula ... 

 turbiniformis 

 subangulata 



tumidula 



ovata 



glabra 



attenuatus . . . 



gradus 



mamillaris . . . 

 tabulatus 

 bulbiformis .... 



nitida 



elegans 



procera? 



gracilis 



sculpta 



turns 



tumidula 



pygmea 



Cotsvvoldise .... 

 diadema 



parvula... 



laevis 



obliquata 

 obtusa ... 



Authority. 



Phil. Geol. 



new sp. ., 



new sp. ., 



new sp. . 



new sp. . 



new sp. . 



new sp. . 



new sp. ., 



York. 



new sp 



Solarium, Phillips; 



T. affinis, Deslong- 



champs. 



new sp 



new sp. 

 new sp. 

 new sp. 

 new sp. 

 new sp. 

 uew sp. 

 new sp. 

 new sp. 

 Acteon, 



new sp 



new sp 



new sp o 



new sp 



new sp 



new sp 



new sp. [champs 

 Melania, Deslong- 

 new sp, 





37 



Phillip 



[champs 

 Deslong- 



uew sp. 

 Melania, 



new sp , 



new sp 



new sp 



new sp 



new sp 



new sp 



new sp 



Sow. Min. Con. ... 

 Rissoa, Sow.Min.C, 



new sp 



new sp 



new sp 



new sp 



new sp 



new sp 



* 



* 



63 



|1 



17 



17 



45 



20 



