194 



NEW YORK STATE MUSEUM 



Salter, cited, 74. 



Sandberger, cited, 60. 



Schuchert, C, cited, 128. 



Shelby dolomites, 9-1 1, 12, 13. 



Simpson, G. B., cited, 24. 



Sowerby, cited, 57. 



Spencer, J. W., cited, 20, 37* 83, 96. 



Sphyradoceras, 100-5. 



Spirifer, 42-44, 122, 128. 



sp., 44. 



bicostatus, 43, 44. 



cf. bicostatus, explanation of plate, 147. 



crispus, 10, 11, 16, 42-44. 

 explanation of plate, 147. 

 var., no. 

 var. corallinensis, 43, 137. 



eriensis, 43. 



niagarensis, 124. 



plicatellus, 44. 

 var. radiatus, 44. 



radiatus, 124. 



sulcatus, 124. 

 Spirigera, 122. 

 Spyroceras, 102. 



bilineatum, 82, 103. 

 Straparollus, 76. 



crenulatus, 64. 



daphne, 76. 



hippolyta, 76. 



mopsus, 76. 



niagarensis, 76, 132. 



solarioides, 127. 

 Streptelasma calicula, 24. 



radicans, 24. 



strictum, 24. 

 Stricklandinia multilirata, 128. 

 Stromatopora, 15, 16, 18, 19, 36-37, 115, 

 116, 135. 



constellata, 36. 



galtensis, n, 36-37, 109. 

 explanation of plate, 141. 



Stromatopora cf. Stromatopora constellata, 

 36. 



ostiolata, 37. 



ostiolatum, see Clathrodictyon (Stroma- 

 topora) ostiolatum. 



typica, 37. 

 Stromatoporoids, 5. 

 Strombodes pentagonus, 130. 

 Stropheodonta profunda, 10, 18. 

 Strophomena rugosa, 124. 

 Subulites, 119. 



ventricosa, 125. 

 Synoptic list of Guelph fossils of New 



York, 109-12. 

 Syringopora, 35-36, 116. 



infundibula, 35. 



infundibulum, 35-36, 109. 

 explanation of plate, 140. 



multicaulus, 36. 



verticillata, 35. 

 Systrophoceras, 105. 



Tabulata, 28-36. 

 Tetracoralla, 23-28. 

 Thoracoceras, 82. 

 Tremanotis alpheus, 54. 

 Tremanotus, 56. 



alpheus, 132. 



angustatus, 54. 



dilatatus, 57. 

 Trematonotus, 53, 54-59, 135. 



alpheus, 10, n, 20, 40, 54-59, no, 113, 

 127, 132. 

 explanation of plate, 151, 152-53. 



chicagoensis, 58. 



longitudinalis, 58. 



trigonostoma, 58. 

 Trematospira, 16, 128. 

 Trigonia, 119. 

 Trilobita, 107-8, 114. 



Trimerella, 4, 5, 114, 117, 123, 125, 133, 

 135- 



