LIST OF ILLUSTRATIONS XV11 



FIG. PAGE 



553, 554. Williamsonia Leckenbyi. A. G. Nathorst. . . 439, 440 



555, 556. Williamsonia whitbiensis. A. G. Nathorst. . . 441 



557. Williamsonia sp. [Indian Geol. Survey.] .... 444 



558. Williamsonia Blandfordi. [Indian Geol. Survey.] . . 446 



559. Williamsonia Carruthersi 447 



560. Williamsonia Bucklandi 449 



561. Williamsonia scotica 450 



562-564. Williamsonia scotica. [Royal Society.] . . 451-453 



565. Williamsonia spectabilis ; W. whitbiensis ; W. mexicana . 459 



566, 567. Wielandiella angustifolia 463, 464 



568. Wielandiella angustifolia. A. G. Nathorst. . . . 466 



569-573. Williamsoniella coronata. [Royal Society.] . . 468-471 



574. Cycadocephalus Sewardi. A. G. Nathorst 474 



575. Bucklandia anomala . . ( . . . . . . 482 



576. Bucklandia Milleriana 484 



577. Bucklandia Yatesii 485 



578. Bucklandia buzzardensis. [Trustees of the British Museum.] 486 



579. Bucklandia indica. [Trustees of the British Museum.] . 488 



580. 581. Colymbetes Edwardsi 492, 493 



[Trustees of the British Museum.] 



582, 583. Cycadolepis sp 495 



584, 585. Carpolithus conicus 498 



[Trustees of the British Museum.] 



586. Beania gracilis. [W. G. Carruthers.] .... 502 



587. Ptilophyllum pecten. [Trustees of the British Museum.] . 513 



588. 589. Ptilophyllum pecten 514, 516 



[Geological Surv. India.] 



590. Ptilophyllum pecten and Williamsonia Blandfordi . . 517 



[Geological Surv. India.] 



591. Ptilophyllum cutchense. [Geological Society.] . . . 518 



592. Ptilophyllum pecten . . . . . . . .519 



593. Ptilophyllum pecten. [Geological Society.] . , . .519 



594. Ptilophyllum pecten 520 



595. Ptilophyllum pecten . . . . ' . . . . 523 



596. Ptilophyllum peclen. [Trustees of the British Museum.] . 523 



597. Ptilophyllum boreale. A. G. Nathorst. .... 526 



598. Ptilophyllum antarcticum ; P. Artderssoni .... 527 



599. Zamites gigas. [Encyclopaedia Britannica.] . . . 533 



600. Zamites recta 534 



601. Zamites Buchianus ; Z>. Carruthersi ; Zi. Zitteli . . . 535 



602. Zamites Buchianus . . . . . . .536 



603. Otozamites Goeppertianus ; 0. Bechei 538 



604. Otozamites Bechei 539 



