800 



NEW YORK STATE MUSEUM 



Sandhurst, Victoria, Australia, graptolite 



fauna, 621. 

 Sargassum, 512. 

 SartBernard, graptolite fauna, following 



p.503. 

 Saxony, graptolites, 470. 

 Scandinavia, graptolite fauna, 470, 492, 



633, 657, 673; graptolite zout-s, corri'la- 



tion table following p.503. 

 Scania, Sweden, graptolite zones, 470, 488, 



498; graptolite fauna, 505, 507, 602, 660, 



669, 676, 687, 691, 695, 710, 713, follow- 

 ing p.503 ; Tetragraptus zone, 647. 

 Schaghticoke, graptolite fauna, 492, 595, 



596, 597, 601, 602, 605, 615, 616, 617, 749, 



751, following p.503. 

 Schale, 486. 

 Scharenberg, W., cited, 460, 473, 475, 476, 



509. 

 Schizograptus, 537, 618. 

 Sohlothheim, E. F., cited, 459, 467. 

 Schuchert, Charles, acknowledgments to, 



458; cited, 493, 503. 

 Schultze's maceration medium, 481. 

 Scotland, graptolite fauna, 469, 470, 474, 



498, 505, 507, 647, 651, 657, 660, 715, 739, 



following p.503 ; Tetragraptus zone, 495. 



See also Ballantrae. 

 Seaweeds, attachment to, 513. 

 Sedgis'ick, A., cited, 459, 470. 

 Sertularia, 467, 468, 477. 

 Shropshire, graptolite fauna, 474, 669, 673, 



675, 683, 691 ; Caradoc shales, following 



p.503. 

 Sicula, 473, 474, 484 ; term, 509 ; details of 



structure, 520. 

 Sicular end of rhabdosome, 484. 

 Siculaseite, 484. 



Sigmagraptus gen. nov., 497, 508, 537, 564. 

 567, 571, 573, 701-2. 

 praecursor sp. nov.. 506-7, 564, 565, 573, 

 627, 645, 702-3. 

 explanation of plate, 756. 

 figure, 702. 

 Siphonophora, 533, 577. 



O 



Skane, graptolite fauna, 657. 

 Skiddnw slates, graptolite fauna, 470, 498, 

 502, 505, 507. 552, 554, 555, 633, 636, 637, 

 640, 646, 648, 654, 657, 660, 669, 672, 67-^, 

 686, 693, 708, 710, 715, 720, 726, 729, 731. 

 734, 730, 739, following p.503. -See also 

 Ellergill beds. 

 Sollas, J. W., cited, 464, 540. 

 South Hartford, specimens from, 601. 

 Spencer, J. W., cited, 462, 463, 472. 

 Staurograpsus, 467. 

 Staurograptus, 508, 549, 573, 612-17. 

 dichotomus, 492, 493, 502, 504-5, 573, 

 601, 613, 614-17, 639. 

 explanation of plates, 750-51. 

 figure, 613. 



See also Clonograptus (Staurograp- 

 tus) dichotomus. 

 var. apertus var. nov., 561, 566, 573, 

 617. 

 explanation of plate, 751. 

 Stipes, 484. 

 Stock, 483. 



Stomatograptus, 476, 518. 

 Stromatoporidae, 577. 

 Strophograptus gen. nov., 508, 574, 716-17. 

 trichomanes sp. nov., 506-7, 574, 716, 

 717-18. 

 explanation of plate, 755. 

 Suess, cited, 470. 



