INDEX, 



Ammonites placenta, . 



36 



Bulla, .... 



. 46 



delawarensis, . 



37 



Brachiopoda, 





Vanuxemi, 



38 



Balanus peregrinus, 



• 72 



telifer, . 



38 







Conradi, . 



59 



C 





syrtalis, 



40 



Crocodile, 



28 



vespertinus, 



40 



Cephalopoda, 



. 32 



Anomia argentaria, . 



61 



Cirrus crotaloides, . 



49 



tellinoides, 



61 



Conus gyratus, . 



. 49 



Avicula laripes, 



63 



Cucullsea vulgaris, . 



64 



Area rostellata, .... 



64 



antrosa, 



. 65 



Astacus, ..... 



74 



Cardium, 



66 



Asterias, . 



74 



Cardita decisa, . 



. 66 



Ananchytes cinctus, 



78 



Crassatella vadosa, . 



66 



fimbriates, 



78 



Cytherea excavata, 



. 67 



Anthophyllum atlanticum, 



80 



Clavagella armata, . 



69 



Alveolites cepularis, 



80 



Cirrhopoda, 



. 72 



Alcyonium, 



81 



Crustacea, 



74 



Arkansas, cretaceous formation of 



24 



Cancer, .... 



. 74 



Analysis of green marl, 



8 



Cidarites diatretum, 



75 



Alabama, marl of 



21 







Acephala, 



50 



D 





Annelides, .... 



73 



Delphinula lapidosa, . 



. 46 



B 





Delaware, Cretaceous deposits 



of 17 



Belemnites Americanus, 



34 







Belemnites'? ambiguus, 



35 



E 





Eaculites ovatus, 



42 



Exogyra costata, 



55,56 



compressus, 



43 



Echinodermata, 



74 



columna, 



44 



Eschara digitata, 



. 79 



asper, 



43 



Echinus infulatus, . 



75 



carinatus, 



72 



F 





labyrinthicus, 



73 



Flustra sagena, . 



. 79 



