Chaetetes 68 
Clathrapora Clintonensis H. 
&Wh 72,75 
Crustacea 100 
Cyclonema 94 
Cyclonema bilex, Con 76, 94 
Cyalora 96 
Cyclora alta 94, 96 
Cypricardites 93 
Cypricardites ferrugineu’xi, 
A. and Wh 91, 93 
Dalmanites - 1 16 
Dalmanites verrucosus, H loi 
Dalmanites vigilans loi, 116 
Dalmanites Werthneri, n. 
sp 68, 76, lOi, 1 16 
Eichwaldia 91 
Eiclrwaldia reticulata, H_75, 76, 78, 91 
Gasteropoda 77, 94 
Grammysia 92 
Grammysia Caswelli, n. sp_ 91, 92 
Holopea 96. 98 
Illsenus 73, 76, 104 
Illaenus ambignus, n. sp_ 100. loi, 106 
Illaenus Daytonensis, H. Sl 
Wh 100, loi, 104, 108 
Illaenus insignis, H loi, 106 
Illaenus Madisonianus, Wh_ 
74, 100, loi. 106 
Lamellibranchiata 77, 91 
Leptaena 79 
Leptaena prolongata, n. sp_ 78, 7 q 
Leptaena sericea. Sow 79 
Leptaena transversalis, Wahl. 78, 79 
Lichas 112 
Lichas breviceps i o i , 1 1 2 
Merisiella 88 
Meristella cylindrica, HalL 88 
Meristella Prinstana, Bill 88 
Meristella umbonata, Bill 76, 78, 88 
Nucula 93 
Nucula minima, n. sp 91, 93 
Nucleospira pisiformis, H.. 83 
Orthis 72, 80, 86 
Orthis acuto-plicata 86 
Orthis bella-rugosa, Con 86 
Orthis biforata, Schlot 80, 81, 82 
var. lynx 74, 78, 80, 82 
var. acutilriata. 82 
Orthis biforata. f. Clintonensis — 
f. reversata 76 
f. Daytonensis 78; 82 
f. reversata 78, 80, 82 
Orthis DaytonensL, n. .sp-- 74, 78, 87 
Orthis elegantula, Dalm_76, 78, 84, 85 
Orthis elegantula, var. parva, 
n. var 76, 78, 85 
Orthis fausta, n. sp 70. 76, 78, 85 
Orthis flabellum. Sow 76, 78,82 
Orthis hybrida, Sow 76, 78, 83, 84 
Orthis insculpta, H 86 
Orthis Nisis, H 78, 86 
Orthis pisum, H — 
Orthoceras 117 
Orthoceras Duseri. H. & Wh. 1 18 
Orthoceras inceptum 117 
Platyostoma Niagarense. H- 73, 94, 97 
Platyostoma Niag. var. trigostoma. 
Platyostoma plebium, H — 98 
Pleurotomaria 96 
Pleurotomaria inexpectans, 
H. & Wh 94, 96 
Pterinea gi 
Pterinea brisa, H 91 
Ptychophyllum 75 
Raphistoma 95 
Raphistoma affinis, n. sp 94,- 95 
Raphistoma lenticularis, Em_ 95 
Retepora angulata, H 72 
Rhinopora 68 
Rhynchonella 90 
Rhynchonella neglecta, H 78 
Rhynchonella scobina,Meek- 76, 78, 90 
Strophomena 79 
Strophomena rhomboidalis. 
Wilck ' 78, 79 
Strophostylus 96 
Strophostylus cyclostomus, H. 94, 96 
Trilobita 77, 100 
Triplesia 89 
Triplesia Ortoni, Meek 76, 78, 98 
Triplesiana, n. sp 78, 89 
Trochonema 94 
Trochonema nana, n. sp 94 
