FOSSILS. 



GASTEROPODA. 



11 



218 1 



219 2 



220 3 



221 4 



222 10 



223 11 



224 12 



225 13 

 74 7 



226 14 



227 15 



228 16 



229 6 



230 7 



231 8 



232 9 



233 10 



234 11 



235 12 



236 13 



237 1 



238 1 



239 2 



Names. 

 HOLOPEA SYMMETRICA. 



Localities. 



Middleville. - 

 Watertown. - 

 Watertown. - 



Cabinet. 

 Cabinet. 

 Cabinet. 



HOLOPEA OBLIQUA(2). 

 HOLOPEA PALUDINIFORMIS(l). 



Holopea ventricosa (plaster cast). Middleville. 



Pleurotomaria subtilistriata. Watertown, 



Pleurotomaria lenticularis(2). Watertown. - - - Cabinet. 



Pleurotomaria rotuloides. Middleville. 



Pleurotomaria subconica (plaster cast). Watertown. Cabinet. 



Pleurotomaria umbilicata. Lowville and Adams. 



Pleurotomaria indenta(I). Watertown. - - - Cabinet. 



Pleurotomaria ambigua (plaster cast). Adams. - - Cabinet. 

 Pleurotomaria percarinata (plaster cast). Middleville. Cabinet. 

 Murchisonia bicincta(2). Lowville and Watertown.Cabinet 



Murchisonia tricarinata. Mineral point (Wisconsin). 



Murchisonia perangulata. Middleville. - - - 



Murchisonia uniangulata. Middleville. 



Murchisonia bellicincta(2). Middleville, Turin, etc. Cabinet 



Murchisonia subfusiformis (1 and a cast). Lowville. Cabinet. 



Murchisonia vittata, 

 Murchisonia gracilis(2). 

 subulites elongata(2). 

 Carinaropsis CARINATA. 

 Carinaropsis patelliformis. 



Adams. - - - . — : 



Middleville. - - - Cabinet. 

 Watertown. - - - Cabinet. 

 Middleville and Trenton. 

 Middleville. - - - — 



240 

 241 

 242 

 243 

 244 

 245 

 246 

 247 

 248 



Bellerophon bilobatus(2). Trenton falls & Middleville. Cabinet. 



Bellerophon bilobatus, var. acutus. Trenton falls. 



Bellerophon bilobatus, var. corrugatus. Trenton falls. 



Bucania expansa (plaster cast). Watertown. - - - Cabinet. 



Bucania bidorsata. Watertown. - - 



Bucania punctifrons(2). Middleville. - - - Cabinet! 



Cyrtolites compressus(3). Middleville. - - - Cabinet. 



Cyrtolites trentonensis. Mohawk valley. - 



Cyrtolites filosum (plaster cast). Watertown, - . Cabinet, 



24 



