General Index — Vols. I-X, Inclusive. 



31 



Ptelea trifoliata 1:29, 7:25. 

 Pterinea 1:91. 



brisa 1:91, 2:104. 

 Pterinopecten aslilandensis n. sp. 4:33. 



cariniferus n. sp. 3:58, 4:33. 



laetus 4:114. 

 Pteris aquilina 7 199. 

 Ptero-carya caucasia 1:30. 

 Pterodina i :S9. 



clypeata i :6o. 



complanata i :6o. 



elliptica i :6o. 



patina 1:59, 6 :63. 

 Pteronites obliquus n. sp. 3:58. 

 Ptilodictya bipunctata, see Phaeno- 

 pora platyphylla 2:157. 



platyphylla, sec Phaenopora 

 platyphylla 2 1157. 



carbonaria, see Cystodictya 

 carbonaria 



expansa 2:1^=;^=). 



fimbriata. see Phaenopora 

 fimbriata 2:161. 



sereata, see Prismopora ser- 

 eata ^.■75. 



sp., see Phaenorpora multi- 

 fida 2 :i6o. 

 Ptilopora paupera 4 •.74. 

 Pumatopora whitii n. sp. 2 -.87. 

 Purinton, D. B. 10:5, 70. 

 Purslane 7 :22. 



Speedwell 7 :65. 

 Putty-root 7:81. 

 Pycnanthemum incanum 7 :68. 



lanceolatum 7 :68. 



linifolium 7 :68. 



muticum 7 :68. 

 Pyrenula nitida 9-1:14. 

 Pyrite i :Ti. 

 Pyrola elliptica 7 :S7- 



rotundifolia 7:57. 

 Pyrope i :T2. 

 Pyrrhotite i :Ti. 

 Pyrus angustifolia 7 :35. 



arbutifolia 7 :35. 



" var. melanocarpa 



7:35- 



coronaria 7 :35. 



malus 5:10, 7:35. 



Quarries, Allen's i :74. 



Carrollton Pike i :70. 

 Centreville i :74. 

 Dayton i ■.7t;. 

 Eaton Pike i :66. 70. 

 Fair Haven i :7$. 

 Fauver's i -.75. 

 Huffman's i .73. 

 • Newark 6:13. 



Soldiers' Home, Dayton, O. 



1 :66, 70. 

 Stolz's I -.67. 



Svvartzbaugh's i :68. 

 Quartz, 1 :T6 



Queen-of-the-Prairie 7 :32. 

 Quercus alba 7 :78. 



bicolor 7 :78. 



coccinea 7 :78, 8-II :5. 



" var. tinctora 7 :78. 



imbricata S-H -.5. 



macrocarpa 7 :78. 



palustris 7 :79. 



primus 7 :78. 



rubra 7 :78. 



Rabbit, Cerebellum of 5 :45. 



Streda's work on the brain 

 of 5:41. 

 Rat, Streda's work on the brain of 



Raccoon, electrical stimulation of 

 central nervous system of 

 5:38. 



Raccoon Creek, description of 



8-11:36. 



Radix pedis lateralis of opossum 



6:79- 



" mesalis of opossum 6:79. 

 Ragweed 7 :50. 



Rainfall of Licking Co., O. 7 :6. 

 Ralston's river 9 :20. 

 Ramalina calicaris, var. fastigiata 



9-I :i2. 

 Ranunculaceae 7:11. 



Ranunculus abortivus 7:12. 



acris 7:13. 



ambigens 7:12. 



aquatilis, var. trichophyllus 

 7 :i2. 



circinatus 7:12. 



pennsylvanicus 7:13. 



recurvatus 7:13. 



sceleratus 7 :r2. 



septentrionalis 7:13. 

 Raphanus sativus 7:19. 

 Raphistoma i :95. 



affinis n. sp. 1:95. 

 Rapids Forge 9-1:17. 

 Raspberrv, Black 7:32. 



Wild Red 7 :32. 

 Rat. cerebellum of 5:45. 

 Rattlesnake Creek 9-I:i6. 



Fork 9-I :i6. 



