222 



NEW YORK STATE MUSEUM 



Dictyonema cavernosum, 19 



cervicorne, 19 



flabelliforme, 19 



furciferum, 18, 19, 21 



peltatum, 19 



tuberosum, 19 

 Didymograptus bifidus, 21 

 Dindymene, 137 

 Dinobolus canadensis, 72 



(?) parvus, 72 

 Dionide, 137 



atra, 145 



formosa, 144, 145 

 Diplograptus, 21 



euglyphus var. pygmaeus, 21 



incisus, 21 

 Dipterocaris vetustus, 100 

 Discinocarina, 98 

 Discinocaris gigantea, 99 

 Discophyllum peltatum, 22, 26 

 Dollo, L., cited, 148 



Echinasterias spinosus, 40 

 Echinognathus clevelandi, 1 08-11 

 Eichwald 1 , cited, 105, 123 

 Elliptocephala asaphoides, 137 

 Enchostoma, 83, 84 

 Encrinaster, 58, 117 



arnoldi, 55, 118 



pontis, 58, 117, 118 



pusillus, 58 



roemeri, 55 



schmidti, 58, 59 



tischbeinianus, 58, 117 



yachalensis, 117 

 Eodiscus, 137 



speciosus, 146 

 Eoluidia, 62 

 Eoluidiidae, 62 

 Eospondylus, 62 

 Etheridge, cited, 127 

 Eugasterella, 55 



aranea, 56, 57 



bicatenulata, 56 



eoncinnus, 55 



logani, 55, 57 

 Eunoa accola, 99 

 Eurypterids, note on the habitat of, 



113-15 



"Pes, 73, 74, 78, in, 



Eurypterus remipes, 



112 

 Eusarcus cicerops, 11 1, 112 



newlini,- 109 



scorpionis„ 109, in, 112 



trigonus, 111-12 



vaningeni, 69, 71, 112, 114, 115 



Favosites turbinatus, 8 



Fuchs, Theodor, cited, 23, 24, 26 



Girty, cited, 84 

 Glaphurus pustulatus, 121 

 Glossograptus, 21 



quadrimucronatus, 21 

 Gomphoceras osculum, 76 

 Grabau, A. W., cited, 113, 114 

 Gregory, cited, 44 

 Gurley, cited, 84 



Hadding, Assar, cited, 103, 104 



Haeckel, E., cited, 22 



Habn, F. F, cited, 18, 19, 20 



Hall, James, cited, 10, 44, 55. 60, 71, 



75, /8, &3, 142 

 Hallaster, 89 



forbesi, 60, 66 

 Harpes, 127, 128 



Hartrragel, C. A., cited, 75, 77, 105 

 Haswell, William A., cited, 142 

 Helianthaster, 44 



gyalum, 39, 41 



rhenanus, 38, 42 

 Heliophycus stelliforme, 38 

 Hercynella buffaloensis, 115 



patelliformis, 114 

 Hexameroceras, 77 



cacabiforme, 80 



delphicolum, 80 



herzeri, 80 



microstoma, 79 



panderi, 77 



pollens, 77 

 Holm, Gerhard, cited, 83 

 Holzapfel, E., cited, 98 

 Hormotoma gregaria, 73, 115 



minuta, 74 

 Hyatt, cited, 79 



