INDEX 



Acidaspis, 128. 

 Acidaspis ceralepta, 130. 

 Acidaspis Cincinnatiensis, 130. 

 Acidaspis crosotus, 12!). 

 Acrididie, 'JtbS. 



Agassiz, Prof. Louis, obituary, 86. 

 Ambonycliia, 14, 223. 

 Ambonycbia bellistriata, 14, 223. 

 Ambonycbia costata, 15, 223. 

 Ambouycbia radiata, 15, 223. 

 Ambonycbia (Mogaptera) Casei, 224, 326. 

 Ancient mining on Lake Superior, 179. 

 Ancient relics found in Cincinnati, 375. 

 Andrews, E. B., 340. 

 Anodontopsis, 226. 

 Anodontopsis ( ?) Milleri, 227. 

 Anodontopsis ( ?) unionoides, 227. 

 Anomalodonta, 16, 223, 326. 

 Anomalodonta alata. 223, 326. 

 Anomalodonta gigantea, 17, 223, 826. 

 Anomalodonta (Megaptera) Casei, 224, 



326. 

 Asapbina?, 135. 

 Asapbus, 135. 

 Asapbus gigas, 138. 

 Asapbus megistos, 137. 

 Asapbus, tracks of, 136. 

 Asplenium montanum, 27. 

 Asplenium pinnatitidum, 27. 

 Astra30spongia, 248. 

 Astrajospongia meniscus, 248. 

 Astylospongia, 31. 



Astylospongia imbricate articulata, 191. 

 Astylospongia inciso-lobato, 191. 

 Astylospongia pr»morsa, 32. 

 Astylospongia stellatim sulcata, 190. 

 Avicula, 215. 

 Avicula, corrugata, 239. 

 Avicula, demissa, 215. 

 Avicula, insueta, 216. 

 Avicula, Welcbi, 239. 

 Aviculidaj, 214. 



Banning, Hon. H. B., 288. 

 Beaver, bunting of, 54. 

 Bellerophon, 306. 

 Bellerophon bilobatus, 306. 

 Belleropbon Mobri, 306. 

 Beyricbia, 118. 

 Beyricbia Cbambersi, 234. 

 Beyricbia Duryi, 232. 

 Beyricbia oculifer, 118. 

 Beyricbia RicbarUsoni, 347. 

 Beyricbia striato-marginatiis, 233. 

 Beyricbia tumifrons, 119. 

 Black well, John, 46, 51. 



Botanical directory, 28. 



Botany, notes on, 26. 



Botrycbium lunaroides var dissectuta, 



27. 

 Bracbiopoda, from Cincinnati Group, 19, 



Bridger formation, 269. 



Britisb Association for Advancement of 



Science, 351. 

 Brown, Robert, notes on beaver, 54. 

 Bucania, 307. 

 Bucania costatus, 308. 

 Bucania expansa, 307. 

 Butbotrepbis ramulosus, 235. 



Calkins, W. W., 242; 288, 321. 

 Calymene, 139. 

 Calymene Cbristyi, 141. 

 Calymene senaria, 140. 

 Cardiomorpba obliquata, 220. 

 Carinaropsis, 314. 

 Carinaropsis patelliformis, 314. 

 Cat, expressions of, 188. 

 Ceraurus, 132. 

 Ceraurus icarus, 133. 

 Ceraurus pleurexantbenus, 3, 132. 

 Chambers, V. T., 22, 338. 

 Cbetetes, 370. 



Chetetes petropolitanus, 373. 

 Cincinnati Group, 63, 97. 

 Cincinnati tablet, 188. 

 Cleidopborus, 222. 

 Cleidophorus fabula, 222. 

 Coal seams, parallelism of, 267, 340. 

 Coucbicolites, 7, 236. 

 Conchicolites corrugatus, 7, 236. 

 Concbicolites flexuosa, 11, 236. 

 Conchicolites grcga-rius, 236. 

 Concbicolites minor, 10, 236. 

 Constitution of Society of Natural His- 

 tory, 89. 

 Cooley's Physical Science Series, 378. 

 Crustacea, monograph of, 115. 

 C^ycloconcba, 231. 

 Cycloconcba mediocardinalis, 231. 

 Cyclonema, 310. 

 Cyclonema bilix, 319. 

 Cyclonema bilix var conica, 320. 

 (Cyclonema bilix var fluctuata, 320. 

 Cyclonema bilix var lata, 152, 320. 

 Cyclonema bilix var pyramidata, 152, 321 

 Cyclonema percariuata, 321. 

 Cyclonema vai'icosa, 321. 

 Cyclora, 312. 

 Cyclora Hotfmanni, 313. 

 Cyclora miuuta, 312. 



