590 



NEW YORK STATE MUSEUM 



Ceraurus, 546^ 



pleurexanthemus, 545*. 

 Chaetetes, 501^ 



compacta, 501^ 501®. 

 lycoperdon, 503*. 



var. ramosus, 501*. 

 tenuissima, 501^ 

 Chamberlain, F. C, cited, 584^ 510^. 

 Christiania, 561*. 



trentonensis, 545*. 

 Cincinnatian, term, 566*. 

 Clrripedia, 578^ 



Clarke, J. M., fossils discovered by, 

 527^ 528^ 530^; cited, 584^ 536^ 

 566*, 577«, 578*. 

 Cleidophorus planulatus, 493', 502*, 



516^ 516«, 525», 526«. 

 Climacograptidae, 498'. 

 Climacograptus, 542^ 547'. 



bicornis, 496^ 497«, 502', 502', 

 529^ 530^ 539^ ^tO^, 541«, 542^ 

 544^ 

 caudatus, 520^ 52r, 522% 551», 



564". 

 parvus, 523^ 539^ Ml\ 544\ 

 scharenbergi, 541«, 547', 585'. 

 typicalis, 523*, 524^ 526*, 529*, 

 530^, 531^ 532«. 

 Clionychia, 526'. 



undata, 525*, 564^ 

 Coenograptus, 498^ 



gracilis, 528*. 

 Coenograptus gracilis zone, 506% 



509«, 567\ 

 Cohoes, Block island, 516'-17\ 

 Cohoes beds, 498«. 

 Cohoes falls of the Mohawk river, 



513^-16*. 

 Composite character of Hudson 



river beds, 496\ 

 Conglomerate bed, of lower Tren- 

 ton aspect in shale, 544*-46', 558'; 

 on Rysedorph Hill, 546*-49». 

 Conradella compressa, 545\ 

 Conularia (Sphenothallus), 516^ 

 hudsonia, 520®. 



trentonensis, 505', 520*, 521», 

 545^ 

 Cornulites flexuosus, 502^ 

 Corynoides, 518^ 



calicularis, 515', 5S5^ 539*, 540\ 



541*, 542', 5442, 549'^. 

 curtus, 514', 517S 517% 520% 

 521% 526*, 528*, 530^, 531% 537', 

 564% 565% 

 cf. curtus, 515\ 

 Crania sp., 516^ 

 Crustacea, 575^-81'. 

 Cryptograptus tricornis, 522% 524% 



540^, 551% 564'. 

 Ctenobolbina ciliata, 521% 521% 526", 

 527% 575^-76-; explanation of 

 plate, 587% 



var. cornuta, 526% 575^; ex- 

 planation of plate, 587'. 

 var. curta, 575*. 

 crassa, 576% 

 duryi, 576% 

 fulcrata, 576% 



subrotunda, 535% 576^; explan- 

 ation of plate, 5S7\ 

 Ctenodonta levata, 520% 521% 

 Cumings, E. R., cited, 584% 559^. 

 Cuneamya sp., 520% 

 Cyathophylloid corals, 501% 

 Cyclonema bilix, 525'. 

 Cyclospira bisulcata, 520", 521% 5G4V 

 Cyphaspis, 526% 



Oyrtoceras annulatum, 520*, 521% 

 • 564% 

 Cyrtolites ornatus, 516', 525% 



Dale, T. N., cited, 582*, 583% 584%. 



499^-500^, 5ir-12% 557^, 560^ 

 Dalmanella testudinaria, 515% 518% 



525% 526*, 527% 534', 536% 545'. 

 Dana, J. D., cited, 582*, 500'-2% 553V 

 Darton, N. H., cited, 582% 583% 490*^ 



504^-5*. 

 Darwin, Charles, cited, 578% 

 Dawsonia, 540^. 



campanulata, 520% 522% 541% 



