Index — Volume XVIII. 



vii 



Peronopora compressa (Ulr.), 76. 



uuiformis Ulrich 76. 

 Petigopora asperula Ulrich 82. 



gregaria Ulrich, 124. 

 petechialis (Xich.), 86. 

 Petraster Billings, 126, 134. 

 rigidus, 134. 

 wilberanus Meek, 134. 

 Peziza nigrans n. sp., 43; PI. Ill, 

 fig. 17. 

 trachycarpa Currey, 43. 

 Phacops trisulcatus, 169. 

 Phaitiopora sp., 177. 



expansa, 171, 178, 197. 

 magna, 171, 178, 181. 

 Photographic section, curator's 



report, 33. 

 Phylloporina angulata, 170, 171, 



172, 180, 186, 193, 196. 

 Physa; Cincinnati species of the 

 genus, 95. 



Physarum didermoides Rost., 56. 



globuliferum Pers., 56. 

 inequale Peck, 56. 

 cucopus Link, 56. 

 mellum Mass, 56. 

 multiplex Peck, 49, 56. 

 murinum Lister, 56. 

 polyaedron Schw., 41. 

 pulcherrimum Besk & 



Raw, 56. 

 pulchripes Peck, 56. 

 tenerum Rex., 56. 



Physospora elegans n. sp., 44; PI. 



Ill, fig. 23. 

 Pisidium abditum Hald., 104. 

 Pisocrinus gemmiformis, 185, 191, 



199- 



Pianorbis; Cincinnati species of 



the genus, 95. 

 Plasmodiophora brassicae Wor., 55. 

 Plathemis trimaculata De Gecr.. 



114, 



Platyceras niagarense, 179, 180. 

 Platystoma niagarense, 179, 180. 

 Platystrophia biforata, 165, 167, 



169, 172, 182, 187, 192, 193. 

 Plectambonites sericea, 195. 



transversalis 199. 

 elegantula, 168, 195. 

 198. 



Pleurocera; Cincinnati species of 



the genus, 97. 

 Podophyllum peltatum, the host 



of two fungi, 47. 

 Polypodium incanum, 47. 

 Polvporus circumstans n. sp., 37; 

 PI. I, fig- 4- 



Polvporus delectans, 49. 



pinicola Fr., 37. 

 Polystictus perennis (L.) Fr., 54. 

 Pomatiopsis lapidaria, 97. 

 Poria tulipiferse Schw., 54. 

 Prasopora selwynii Nich., 86. 



hospitalis, 86. 

 simulatrix (Nich.), 86. 

 Proceedings of meetings, 1, 3, 4. 

 Protaster Forbes, 137. 



fiexuosus M. & D., 140. 

 (?) grauuliferus Meek, 138. 

 miamiensis Miller, 138. 

 I Protasterina fimbriata Ulrich, 139. 



flexuosa (M. & D.), 140. 

 Ptilodictya lanceolata americana, 



171,. 179- 

 pavouia D'Orb., 70. 

 ; Ptychophyllum ipomaea, 167, 180, 

 181, 184, 195. 



Puccinia on Podophyllum, 47. 

 Punctum miuutissimum Lea, 93. 

 Punshon, Thos. B., donated human 



remains from Linwood, 6. 

 Pupa; Cincinnati species of the 



genus, 93, 94. 

 Pyrenomycetes, 42. 

 Pyrenomyxa gen. no v., 42. 



invocans u. sp., 42; 

 PI. II, fig. 15. 

 Ouercus macrocarpa, acorns of, 47. 

 Ranunculus abortivus micranthus 

 Gray, 54. 

 repeus L., 54. 



Reed, Dr. Ch. A. L., member, 4. 

 Reticularia, 41. 



nitens n. sp., 40; PI. 



II, fig. 11. 

 atra, 40. 

 Resor, C, member, 3. 

 Rhinodictya (?) rudis, 1S4. 

 Rhinopora verrucosa, 171, 176, 177, 

 180, 184, 186, 192, 193, 195, 196. 

 198. 



I Rhynchonella acinus, 169; 



convexa, 169. 

 indianensis, 199. 

 neglecta, 199. 

 scobina, 176, 179, 

 180. 



i Ricketts, Dr. B. M., member of 

 Board, 2. 



Rudbeckia hirta, depauperate spec- 

 imen, 48. 



Rutile, artificial crystal of, 61 ; fig. 

 ia. 



Secotium, 37. 

 ! Segmentina armigera Say, 95. 



