250 



Cincinnati Society of Natural History. 



Pelecypoda, heart of, 73; pleisto- 

 cene, 175. 

 Perichseua, 155, 158, 163. 

 Pericheenaceae, 158, 162. 

 Perithemis domitia Drury, 171. 

 Peritricheee, 158. 

 Peritrichiae, 161. 



Peromvscus leucopus Rafinesque, 



58. 



Peziza minuta Leers, 151. 

 Phlepsius, 189; P. lacerdse Sigt, 

 187. 



Phoenicopterus ruber (L.), 173. 

 Physa, 45, 48; P. ancillaria Say, 



88, 176; P. heterostropha Say, 



87*, 176. 

 Physaraceae. 1, 157, 166. 

 Physaree, 159. 

 Physarei, 155. 



Physarella Peck, 2, 6, 11, 166; P. 

 mirabilis Peck, 8; P. oblonga B. 

 & C, 7.40.* 



Physarum (Hill) Pers., 2, 8, 16, 

 l 5°, !55> 157, 166; P. albicans 

 Peck, 1 [ ; P. atrorubrum Peck, 9 ; 

 P. atrum Schw., 27; P. auran- 

 tium Pers., 150; P. aur. rufipes 

 A. & S., 9; P. aureum Pers., 17, 

 154; P. aur. chrysopus Lev., 9; P. 

 auriscalpium Cke., 26; P. berk- 

 eleyi Rost., 17; P. bivalve Pers., 

 154; P. caespitosiini Schw., 5; 

 P. chrysotrichum B. & C, 36; 

 P. cinereum Batsch., 27, 37, 154; 

 P. citrinellum Peck, 5; P. colum- 

 binum Pers., 154; P. compactum 

 A. & S , 20 ; P. compressum A. 

 & S., 20; P. confluens Link, 22, 

 154; P. conglomeratum Fries, 

 29; P. connexuni Link, 20, 42*; 

 P. contestum Pers., 29, 154; P. 

 cupripes B. & R., 17 ; P. diderma 

 Rost., 29; P. didernioides Pers., 

 21; P. ellipsosporum Rost., 33; 

 P. farinaceum Pers., 154; P. ful- 

 vum Fries, 28 ; P. glaucum PhilL, 

 25, 44*"; P. (?) globuliferum 

 Pers., 154; P. gravidum Morg., 

 n. sp., 24; P. griseum Link, 22; 

 P. gyrosum Mas. 29 ; P. hyalinum 

 Pers., 154; P. iniitans Rac, 23, 

 42*'; P. inaequale Peck, 23; P. 

 lateritium B. & R., 23, 28, 42*; 

 P. leucophseum Fries, 19, 20; P. 

 leucopus Link, 25; P. lilacinum 

 Fries, 37 ; P. lividum Rost., 22; 

 P. luteolum Peck, 22 ; P. luteum 



Pers., 17, 154; P. murinum List., 

 10; P. muscicola Pers., 154; P. 

 nephrodium Rost., 20; P. nucle- 

 atum Rex, 18; P. nutans Pers., 

 16, 24, 154 ; P. oblatum McB., 

 24; P. obrusseum B. & C, 18, 

 42*; P. ornatum Peck, 24; P. 

 paniceum Fries, 37; P. petersii 

 B. & C, 10; P. plunibeum Fries, 

 26; P. polycephalnm Schw., 20, 

 42*; P. psittaciuum Ditm., 5; 

 P. pulcherrimum B. & Rex, 9 ; 

 P. pulchripes Peck, 10; P. rela- 

 tum Morg., n. sp., 26, 42*; P. 

 reticulatum Berk, 27 ; P. reticu- 

 latuni Schw., 4, 29; P. rubigino- 

 sum Chev., 38 ; P. rubiginosum 

 Fries, 28; P. schyphoides C. & 

 B., 14; P. serpula Morg., n. 

 nom., 29, 36, 44* ; P. simile 

 Rost., 10; P. squatnulosutn Pers., 

 154; P. stellatum Mas., 19; P. 

 sulphureum 24 ; P. teneruni Rex, 

 18; P. thejoteum Fries, 22; P. 

 tigrinum Pers., 154; P. variabile 

 Rex., 5 ; P. virescens Ditm., 23, 

 28; P. virescens Rost., 28; P. 

 viride Pers., 17, 154. 

 Physcia, 7. 



Phytonomus punctatus, 141. 

 Piezocorynus dispar & P. mixtus, 

 141. 



Pisidium compressum Prince, 175. 



Planorbis, aperture of, 45; pleis- 

 tocene, 176; radulse of, 85; P. 

 amnion Gould, 47; P. bicarinatus 

 Say, 47, 85*, 176; P. campanula- 

 tus Say, 46, 86*, 176; P. corneus 

 L., 47; P. corpulentus Say, 47; 

 P. defiectus Say, 176; P. exacu- 

 tus Say, 47 , P. glabratus Say, 

 47 ; P. lentus Say, 47 ; P. Oregon - 

 ensis Tryon,47; P. parvus Say, 

 47, 86*; P. subcrenatus Cpr., 

 47; P. trivolvis Say, 46*", 85*; 

 P. truncatus Miles, 46, 85. 



Plathemis trimaculata, DeGeer, 

 170. 



Platymetopius, 188. 



Pleistocene shells from Milwau- 

 kee, Wis., 175. 



Pleurocera, radnlse, 88, 89; P. ele- 

 vatum Say, 89*; P. el. lewisii 

 Lea, 89 ; P. subulare Lea, 88. 



Pleocamus hispidulus, 141. 



Polygyra, heart of, 77. 



Pomphopcea eenea, 141. 



6 



