6io 



NEW YORK STATE MUSEUM 



1 



Raphistoma, 400, 401. 



Raymond, Percy E., on trilobites, 394 ; 



cited, 409, 485, 520, 528. 

 Remele, A., cited, 475, 478, 527. 

 Retepora gracilis, 401. 

 Rhynchonella, 401. 



acutirostris, 497. 



plena, 400, 401. 

 Rhynchorthoceras, 522. 



dubium, 522. 

 Rizoceratidae, 432. 

 Rochdale, fauna, 508. 

 Rominger, Carl, collections by, 394, 



438. 

 Ruedemann, Rudolf, collections by, 



394, 397; cited, 399, 428, 429, 439, 



528. 

 Rj'sedorph hill, fauna, 449. 



Sactoceras, 486. 



St Peter sandstone, 515. 



Sannionites, 404. 



Sardeson, F. W., acknowledgments 



to, 394 ; collections by, 459 ; cited, 



SIS, 517, 528. 

 Scalites angulatus, 400, 497. 

 Schroder, H., cited, 396, 451, 452, 4S6, 



457, 459, 475, 479, S21, S28. 

 Schroederoceras, 452, 475, 482, sio- 

 S13, 521, 523, 524- 



cassinense, 453, 476-77, sio, S12. 

 explanation of plate, 568. 

 figure, 477. 



eatoni, 453, 476, 477, Sio, S12. 

 explanation of plates, 568, S74- 

 Schuchert, Charles, cited, 514, 520, 



528. 

 Scolithus minutus, 399. 

 Sections for reference. 397. 

 Seely, H. M., acknowledgments to, 



394; work of, 394; collections by, 



396, 435, 496, 505; cited, 399, 400. 



527, 528. 

 Sepioidea, 493. 

 Shakopee formation, 459, S^S, SI7, 



519, 527. 

 Spelman ledge, fauna, 419, 430, 441, 



443, 445- 

 Spyroceras, 439, 445-49, SIO. 



bilineatum, 445, 449. 



clintoni, 445-49, 5io, S12, S18, 5i9- 

 explanation of plates, S56, 560. 



* figure, 447. 



rectiannulatum, see Cycloceras? 

 (Spyroceras?) rectiannulatum. 



subarcuatum, 506. 

 Stenopora fibrosa, 401. 

 Stones River group, 516, 520. 

 Strephochetus, 401. 

 Stromatocerium, 401. 

 Strophomena, 400. 

 Suecoceras, 425^27, 509, 513, 516. 



marcoui, 425-27, 508, S09, 512. 

 figure, 426. 

 Synoptic table of distribution of 



Cephalopoda, s 12-13. 

 Synoptic taxonomy, S09-11. 



Tarphyceras, 4S2, 456, 464, sio, 513, 



52 1, 523, 524, 526. 

 champlainense, 452, 453, 459, 460, 



461, 465, 466, 468-69, 470, 483, 

 510, 512. 

 clarkei sp. nov., 453, 470-72, 510, 

 512. 

 explanation of plate, 572. 

 figure, 471. 

 convolvens, 464. 

 extensum, 472. 



farnsworthi, 464, 465, 508, 510, 512. 

 multicameratum, sp. nov., 454, 464, 

 472-73, 510, 512. 

 explanation of plates, 566, 574. 

 figure, 473. 

 perkinsi, 453, 469-70, 483. Sio, 512. 

 seelyi, 453, 465-68, 469, 472, 510, 

 512. 

 explanation of plates, 566, 568, 



570, 576. 

 figures, 466, 467. 

 Tarphyceratidae, 432, 450, 452, 454- 



75, 483, 508, SIO, 521. 

 Taxonomy, synoptic, 509-11. 

 Terminology, 402-4. 

 Triptoceras, 492. 

 Trocholites, 452, 478-79, 510, 513, 521, 



522, 523, 524. 



ammonius, 521. 

 internastriatus, 479. 



