Cincinnati Society of Natural History. 



Monticulipora turbinate James, 86. 



uniformis (Ulr.) 76. 

 varians, 74. 

 vaupeli (Ulr.), 71. 

 74- 



venusta, 120. 

 verrucosa (new 



name), 85. 

 wilmingtonense 



(Ulr.), 76. 

 winchelli Ulr., 87. 

 winchelli James, 87. 

 rectimuralis Ulr., 



124. 



undulataNich., 124. 

 Morgan : " New North American 



Fungi," 36. 

 Mucronoporus spissus, 50. 

 Murdock, James, member, 3. 

 Murgantia histrionica, 141, 153. 



munda, 153. 

 Mycogone cervina Ditm., 45. 



cinera, n. sp., 45 ; PI. Ill, 

 fig. 24. 



Myriadoporus adustus, 49. 

 Myxomycetes, 41, 42. 

 Nebulipora papillata McCoy, 81. 

 Nehalennia gracilis Morse, no. 



irene Hagen, no, 113. 



posita Hagen, 1 13. 



Nelumbo lutea (Willd.) Pers., 54. 

 Nephelite, 61; fig. id. 

 Nicholsonella cumulata Ulrich, 74. 



vaupeli (Ulr.), 72. 

 Norton, Dr. O. D., member of Ex. 

 Board, 2. 



Obliquaria cyphya Rafinesque, [58 

 Odonata of Ohio, by Kellicott, 105. 

 Officers elected, 3. 

 Ohio: Middle Silurian rocks of. 



Bv Foerste. 161 ; PI. VII. 

 Olivine, 61 ; fig. 1 e, PI. IV. 

 Ophiuroidea, 137. 

 Orgyia, 149. 



Ortalis vetula maccalli Baird, 201. 

 Orthis biforata, 165, 169, 172, 182, 



186, 187, 192, 193, 195. 



biforata daytonensis, 172. 



calligramma, 169, 171, 192, 

 193, 194. 196, 19S, 199. 



euorthis, 197. 



fissaplicata, 199. 



hybrida. 199. 



daytonensis, 167. 



elegantula, 167, 169, 179, 180. 

 184, 186, 193. 



fausta, 179. 



fissiplicata, 184. 



( )rthis occidentalis, 165, 174, 178, 

 180, 182, 184, 186, 187, 193, 

 195. 



Orthoceras sp., 182, 193. 



annulatum, 199. 



host of Bryozoa, 78, 79. 

 Orton, Edw., Jr., lecture by, 23. 

 Oxybaphus nyctagineus Sweet, 54. 

 Pachydictya bifurcata, 171, i8r, 194, 

 197. 



instabilis, 180. 

 obesa, 171, 195. 

 rudis, 184, 193. 

 turgida, = P. obesa, 



branchingform, 171, 



186. 



Pachydiplax longipennis Burm, 

 114. 



Palaeaster Hall, 126. 



antiquatus (Locke ), 130. 

 antiquus (Troost), 133. 

 clarkanusS. A.Miller, 133. 

 dubius M. &. D., 130. 

 dyeri Meek, 128. 

 exsculptus S. A. Miller, 

 129. 



finei Ulrich, 130. 



granulosus Hall, 128. 



harrisi S. A. Miller, 137. 



incomptus Meek, 133. 



jamesii Dana, 127. 



longibrachiatus S. A. Mil- 

 ler, 132. 



maguificus, S. A. Miller, 

 127. 



miamiensis S. A. Miller, 

 129. 



shsefferi Hall, 131. 

 simplex M. &. D., 132. 

 sp., 186. 



speciosus (M. & D.), 131. 

 spinulosus M. & D., 129. 



Palasasterina (McCoy) Salter, 126, 



135- 



approximata M. & 



D., 133- 

 jamesii Dana, 127. 

 Palaeontology of the Cincinnati 



Group, 67, 115. 

 Pantala flavescens Fabr, 112, 114. 



hymemea Say, 109, 1 14. 

 Paspalum distichum. 152. 

 Patrick, Miss F. M., member, 2. 

 Patula; Cincinnati species of the 



genus, 91 . 

 Pentamerus oblongus, 1S5, iSS. 

 Pericha^na populina Fr., 57. 

 Perithemis domitia Drury, 1 10, 1 14. 



