INDEX 



The superior figures tell the exact place on the page in ninths, e. g. i6* 

 means page 16, beginning in the third ninth of the page, i. e. about one third 

 of the way down. 



Actinopteria cf. eta, 8\ 



cf. theta, 24 9 . 

 Agelacrinites sp. nov., 8 3 . 

 Ambocoelia umbonata, 6 9 , 8 9 -9\ 9*, 

 9 5 , 9 7 , 15°, 16 3 , 2 4 a . 

 gregaria, 20 3 . 

 Athyris polita, 20 2 , 24 s . 

 Atrypa hystrix, 19 9 . 



reticularis, f, 9 1 , 9*, 13 3 , 13 4 , 15 8 , 



16 2 , 16 8 , 18 3 , I9 3 , 24 s . 

 spinosa, 24'. 

 Avicula sp., 20 s . 

 Aviculopecten cancellatus, 2o\ 



Bactrites, 13 7 . 



aciculum, 7 1 , 7 s . 

 Bellerophon koeneni, 13 7 . 

 Buchiola retrostriata, 9*. 



cf. scabrosa, f. 



speciosa, 6 9 , 8 9 , n 8 , 13 8 , 13 7 , 13 8 , 15 2 , 

 16 4 , 16 5 . 



Camarotoechia contracta, 24 s . 



eximia, 8 4 , 8 9 , 20 s , 24 s . 



cf. tethys, 20 3 , 24 s . 

 Cashaqua shale, 7 2 -io T . 

 Centronella julia?, 13*. 

 Chemung sandstones, 20 5 -24 9 . 

 Chonetes coronatus, 24*. 



deflectus, 16 2 . 



lepidus, 6 9 , g\ g a , 11 8 , 13*, 13 5 . 

 scitulus, 7 2 , 13 4 , 13 7 , 15 3 , 18 4 , 19', 

 24*. 



Cladochonus, 13 4 , 13 5 . 



SP; 9*. 



Conocardium sp. ?, 20 4 . 

 Cypricardella bellistriatus,- 20 4 . 

 Cypricardinia indenta, 24*. 

 Cyrtina hamiltonensis, 9 1 , T3 4 , 15 8 . 



Diaphorostoma, 9*. 



Edmondia subovata, 24 s . 



Genesee shale, 4 s . 

 Genundewa limestone, 5 1 . 

 Glossites cf. subtenuis, 20 4 . 

 Gomphoceras cf. manes, 7 1 . 

 Grammysia sp., 15 2 , 18 5 , 24 7 . 



circularis, 20 3 . 

 Grimes sandstone, I4 1 -I5 S . 



Hall, James, cited, 21 4 . 

 Hatch shale and flags, I2 3 -I3 9 . 

 High Point sandstone, i6 7 -i8\ 

 Honeoyea erinacea, 13 3 , 13 6 . 

 Hydnoceras nodosum, 24 9 . 



Leptodesma agassizi, 24 4 . 



billingsi, 20 4 , 24 s . 



disparile, 20 5 , 24 s . 



lichas, 20 4 . 



longispinum, 24 s . 



maclurii, 20 4 . 



matheri, 20 5 , 24 s . 



potens, 20 4 . 



robustum, 20 4 . 



shumardi, 24°. 



sociale, 24°. » 



spinigerum, 20 5 , 24 4 . 

 Leptodomus interplicatus, 20 5 . 

 Leptostrophia mucronata, 9 1 , 9', 9", 

 I3 5 . 



perplana var. nervosa, 18 3 , 23 s . 

 Lincoln, D. F., cited, 6 4 . 

 Lingula sp., u 8 . 



ligea, 12 1 . 



cf. melie, 18 4 . 



cf. nuda, 20 4 . 



punctata, 20 s . 



spatulata, 4°, f, 13 7 , 20 8 . 

 Liopteria chemungensis, 24 ? . 



