> 4 8 



NEW YORK STATE MUSEUM 



Schoharie grit, 160. 



Schuchert. Charles, cited, 130; mentioned, 



10. 

 Schuchertella, 124. 



See also Orthothetes (Schuchertella). 

 Schwarz, E. H. L., acknowledgments to, 



122. 

 Scupin, work of, 115; cited, 83, 84. 

 Second lake, 64. 

 Shawangunk grit, 158. 

 Sherborn, C. Davies, collections made by, 



93- 



Shinier, H. W., cited. [29, 131, 135, 136. 



Sieberella pseudogaleata, 11, 14. 39- 



explanation of plate, 180. 

 Solen simplex. 77. 

 Solenopsis, 58. 



sp.. 78, 89. 



explanation of plate, 200. 

 Somerset county. Me., 52, 154; section, 58. 

 Sowerby, cited. 121. 

 Sphenotus ellsi, 14, 32. 



explanation of plate, 174. 

 Spirifer, 58, 59, 84, 1 15-16. 



sp.f, explanation of plate, 206. 



antarcticus, 82, 83. 



arduennensis, 85, 118. 



arenosus, 54, 61, 65, 83, 90, 132, 150. 

 explanation of plate, 204. 



aroostookensis, 85, 90, 119, 128, 143-44, 



151- 

 explanation of plates, 206, 226, 234. 



arrectus, 82, 83. 

 apensis, 83. 

 carinatus, 84. 

 chuquisaca, 82, 83. 

 concinnus, 14, 39, 85. 117, 132, 143, 144. 



explanation of plates, 182, 206. 

 cyclopterus, 62, 84, 90, 132, 143, 150. 

 cymindis, 1 17-18, 119, 128, 144. 



explanation of plate, 226. 

 cymindis var. sparsa, 118-19, 128. 



explanation of plate. 226 



Spirifer decheni, 82, 118. 

 fallax, 82. 

 fimbriatus, 84. 

 gerolsteinensis, 40. 

 hercyniae, 82. 



var. primaeviformis, 82. 

 hystericus, 1 16. 

 macropleura, 120, 132. 

 macropleuroides, 119-20, 128. 



explanation of plate, 226. 

 mesastrialis, 119. 

 modestus, 132, 50. 



murchisoni, 32, 83, 85, 131, 132, 144, 150. 

 nearpassi, 150. 

 nerci, 118. 

 orbignyi, 82, 83. 

 perimele, 58, 84, 90. 



explanation of plate, 202. 

 perlamellosus, 14, 40, 132. 



explanation of plate, 182. 

 plicatellus, 1 19. 

 plicatus, 41, 150. 

 primaevus, 82. 

 primaevus var. atlanticus, 58, 82, 90. 



explanation of plates, 204, 206. 

 saffordi, 84, 1 50. 



subcuspidatus var. lateincisus, 116-17, 

 128. 

 explanation of plate, 227. 

 figure, 1 16. 

 togatus, 120. 



var. subsinuata, 120. 

 tribulis, 150. 

 undiferus, 40. 

 Spirifera arrecta, 55, 57. 

 cycloptera, 9. 

 pyxidata, 55. 57. 

 Spirophyton caudagalli, 146. 

 Spirorbis sp., 13, 18, 95, 127. 



assimilis, 146. 

 Spitz, cited, 25. 

 Sponges, 134, 153. 

 .Springer, F., cited, 166. 



