INDEX 



Page numbers referring to descriptions of fossils are printed in black face 



type. 



Actinoceras, 416, 488. 



(Ormoceras) aff. tenuifilum, 517. 

 Actinoceratidae, 488-94, 511. 

 Actinosiphonata, 494-508, 511. 

 Adams, F. D., acknowledgments to, 



394- 

 Ancistroceras, 522. 



dyeri, 522. 

 Angelinoceras, 522. 

 Annulosiphonata, 486-94, 511. 

 Aphetoceras, 473-75, 480, 510, 513, 

 521, 523. 



attenuatum, 465, 475, 508, 510, 512. 



famsworthi, 465, 473-74, 475, 5o8, 

 SID, 512; figure, 474. 

 Asaphns canalis, 399. 



marginalis, 401. 



Baltoceras, 431-32, 509. 

 pusillum sp. nov., 431-32, 509, 512. 

 explanation of plate, 546. 

 Barrande, cited, 395, 415, 416, 426, 432. 

 Barrandeoceras, 454, 510, 513, 521, 



523, 524- 

 mmganense, 454. 

 natator, 454-56, 510, 512. 



explanation of plates, 592, 594. 

 Bassler, R. S., acknowledgments to, 



394- 



Bathmoceras, 516, 517-18. 



Bathyurus, 399. 

 extans ? var., 399. 



Bedford, fauna, 525. 



Beecher, cited, 417. 



Beekmantown, Beekmantown beds, 

 396; fauna, 419, 430, 441, 496. 



Beekmantown formation, of Canada 

 and Newfoundland, 395 ; section at 

 East Shoreham, 399 ; of Newfound- 

 land, Quebec and Philipsburg, 395; 

 at Philipsburg, 395; Valcour sec- 

 tion, 397-98. 



Bellerophon, 401. 



BerkcA^ E. P., cited, 5i5- 



Bibliography, 527-28. 



Billings, E., cited, 395, 410, 424, 425, 

 429, 442, 443, 446, 447, 448, 449, 455, 

 456, 475, 482, 484, 488, 500, 508, 518, 

 525, 527. 



Black River limestone, 449, 520. 



Blake, cited, 521. 



Blanchardville, Minn., fauna, 519. 



Bolboporites americanus, 400, 401. 



Brainerd, E., cited, 399, 400, 527, 528; 

 work of, 394. 



Bucania tripla, 399. 



Calciferous sandstone, fauna, 449. 

 Cameroceras, 404-5, 509. 



(Proterocameroceras) brainerdi, 

 405-8, 410, 420, 509, 512, 518. 

 explanation of plates, 530, 532. 

 curvatum sp. nov., 411-12, 509, 512. 

 explanation of plate, 532. 

 figure, 411. 

 tenuiseptum, 408-10, 412, 418, 509, 

 512, 518. 

 explanation of plates, 534, 536, 

 538, 540. 

 trentonense, 404. 

 Canada, Beekmantown formation, 



395- 



Cephalopoda, statement of previous 

 investigations, 395; of Champlain 

 basin, relations to faunas of other 

 regions, 513-27. 



Champlain basin, connection with 

 Newfoundland emba}-ment in Beek- 

 mantown time, 525. 



Chazy beds, Valcour section, 398-99. 



Chazy village, section of Chazy for- 

 mation at, 400; fauna, 409, 411, 437, 

 448, 487, 490, 492, 503; fauna near, 

 494, 500. 



Cheirurus ?, 399- 



Cincinnati group, 521. 



Clarke, J. M., cited, 404, 426, 428, 439- 

 492, 51S, 516, 517, 520, 528. 



Cleland, H. F., cited, 505. 528. 



Conoceras, 513, SiJ- 



