45 2 



NEW YORK STATE MUSEUM 







Protocalyptraea styliophila, 339, 359, 362. 



explanation of plate. 432. 

 Protoconchae, 225, 227. 

 Protospirialis gen. nov., 204, 340-41. 

 minutissima, 340-41, 358, 359, 361. 

 explanation of plate, 436. 

 Psaronius, 206. 

 Psiarnia beds, 353. 

 Pterinopecten ? atticus, 265. 

 Pterochaenia gen. nov., 202, 216, 218, 221, 

 227,, 229, 247-48. 

 cashaquae sp. nov., 254-55, 264, 363. 



explanation of plate, 396. 

 elmensis sp. nov., 254, 357, 363. 



explanation of plate, 396. 

 fragilis, 212, 223, 249-52, 253, 254, 266, 

 357- 358, 359- 36o, 371, 372, 376. 

 explanation of plate, 398. 

 var. orbicularis, var. nov., 250, 252, 



359- 363- 

 explanation of plates, 396, 398-99. 

 7'ar. sinuosa, 360. 

 inflatum, 371. 

 perissa sp. nov., 253-54, 359, 363. 



explanation of plate, 396. 

 sinuosa sp. nov., 250, 253, 363. 



explanation of plate, 399. 

 uchtensis, 248, 371. 

 Pteropods, 203, 204, 218, 340-43. 35 6 . 357. 



358, 359- 

 Ptomatis, 324. 

 forbesi, 324, 325. 

 patula, 325. 

 Ptychopteria ? mesacostalis, 267. 

 Puella, 309-10. 



sp., explanation of plate, 414. 

 See also Buchiola? (Puella?). 

 Pugnax acuminatus, 351, 355. 



pugnus, 351, 352, 353, 354, 356, 376. 



Reef facies, 354. 

 Renard, cited, 203. 



Rhabdosispongia condroziana, 351. 

 Rhinestreet black band, 213, 214, 316, 357, 



358, 375- 

 Rhynchospira meyendorffi, 355. 

 Ribeiria? prosseri, 406. 

 Richter, R., cited, 373. 

 Rock Stream N. Y'., 252. 

 Roemer, A., cited, 269, 351. 

 Roemeria, 269. 

 Rostellec shales, 351. 

 Riibeland, Germany, 339, 371. 

 Ruedemann, R., cited, 225. 



Sandberger, cited, 269, 271. 

 Sandbergeroceras, 216, 381. 



syngonum, 359, 361, 366, 370. 

 Sauerland, Intumescens fauna, 352, 353. 

 Schizobolus concentricus, 374. 

 Schizophoria impressa, 213. 



striatula, 355, 356. 

 Schiibelhammer, Germany, 371. 

 Scotland, Devonic lakes, 207. 

 Scytalocrinus ornatissimus, 348-49, 364. 

 Seneca lake, 375. 



Seneca point N. Y., 245, 310, 334. 

 Shaler, N. S., cited, 374. 

 Sigaretus uchtae, 382. 

 Silver Creek N. Y.. 329. 

 Silver Creek shales, 214, 357, 366. 

 Simroth, cited, 217. 

 Skaneateles N. Y., 302. 

 Slava, 269. 

 Sluzka, 272, 277. 



amygdalina, 277. 



arachne, 277. 



See also Loxopteria. 

 Smith's Mills N. Y., 271, 329, 337. 

 South Bristol N. Y., 252. 

 South Devon, Intumescens fauna, 351. 

 Sowerby, cited, 280. 

 Spathiocaris, 374, 378, 382. 



emersoni, 358, 359, 360, 369, 370, 382. 





