Index to Vols. I — X. 



29 



Raptorial birds, Food of, viii, 62. 

 Receptaculidiv, Genera of, viii, 164. 

 Receptaculites reticulatus, ix, 249. 

 Red Sandstone in Connecticut, ii, 



145^, 153- 



Massachusetts, ii, 146. 

 New York, ii, 148. 

 Nova Scotia, ii, 151, 158. 

 Pennsylvania, ii, 147. 

 Relic Finds, Report on, viii, 55. 

 Keptilia of Indiana. (See Butler, 



A. W.; Hay, O. P.) 

 Reptiles in Collection of Cin. Soc. of 



Nat. Hist., X, 34. 

 Reservoir, St. Marys, i, 1 18. 

 Reteocrinus, Remarks on, v, 36. 



gracilis, Weth.* iv, 83. 

 Rhabdomesontidai, vii, 24. 

 Rhinidictya, v, 152. 



nicholsoni, Ul.* v, 170. 

 Rhizomorpha Sigillaria?, Lesqx., a 



probable insect burrow, viii, 158. 

 Rhombopora armata, Ul.* vii, 31. 

 crassa, Ul.® vii, 28. 

 elegantula, Ul.* vii, TfT,. 

 lepidodendroidea*, vii, 27. 

 persimilis, UL* vii, 30. 

 pulchella, Ul.® vii, 31. 

 wortheni, Ul.* vii, 32. 

 Rhynchonella tuta, S. A. M.-- iv, 315. 

 Richardson Tablet, Account of, and 

 connection with Gest Tablet, 

 Clarke Tablet, and Gridley Stone, 

 ix, 231, 234. (See Skinner, J. R.) 

 Ricketts, B, Merrill, M.D. The Rel- 

 ative size of Red-blood Corpuscle 

 and Brain, x, 27. 

 Riggs on Mound Builders, x, 112. 

 Kingueberg, E. N. S. Description 

 of two new species of crinoids 

 from the shales of the Niagara 

 Group at Lockport, New York, v, 

 119. 

 Rocky Mountain Region. (See Cre- 

 taceous, Tertiary, Triassic ) 

 Ropalonaria, v, 149. 



venosa, Ul.* ii, 26. 

 Rules for Sections, ix, 9. 

 Rusophycus, vii, 153. 



asper, M. and D.* i, 25. 

 Russula decolorans, vi, 187. 

 ffotens, vi, 187. 

 furcata, vi, 185. 

 incarnata. Morg. , vi, 187. 

 lactea, vi, 186. 

 lepida, vi, 186. 

 lutea, vi, 188. 

 nitida, vi, 187. 

 sordida, vi, 186, 

 virescens, vi, 186. 



Saccocrinus egani, S. A. M.* iv, 173. 

 infelix, ■■ iv, 260. 

 marcouanus, •■■ iv, 167, 

 necis,* iv, 172. 

 pyriformis, S. A. M.* v, 8r. 

 urniformis, S. A. M.* iv, 170. 

 Saccophycus, vii, 157. 

 Sand polishing and abrading rocks 



in California, iv, 201. 

 Scalaria newtonensis, Mr. and Aid.* 

 ix, (41) 105. 



octolineata, '^ viii, 153. 



(Opalia) albitesta, Mr. and Aid.* 



ix, (41) 105. 

 whitfieldi. Aid.® viii, 152. 

 Scalops aquaticus, ix, 261. 

 Scalpelluiii subquadratum, Mr. and 



Aid.* ix, (46) 1 10. 

 Scaphander primus, Aid.* viii, 148. 

 Scapiocrinus spinifer, Weth. ■ iii, 157. 

 Scenellopora, v, 150. 



radiata, Ul. ■■ v, 158. 

 Schizophyllum commune, vi, 198. 

 Scolithus, i, 89. 

 Scops asio, viii, 52. 

 Scoville, S. S. A Large Bowlder in 

 Southern Ohio, i, 56. 



Mound Builders on the Little 



Miami, i, 128. 

 Shells, collecting, land and fresh 



water, v, 44 

 Schlumberger, C. Remarks upon a 



species of Cristellaria, v, 119. 

 Screech Owl, Dichromatism in, v, 52. 

 Scytalocrinus wachsmuthi, Weth* 



iii, 155- 

 Sections, Rules for organizing, ix, 9. 

 SeJgewickia (?) lunulata, Whitf. ■■ i, 



140. 

 Septonema spilomeum, v, 213. 

 Septopora, v, 150. 

 Serpulites dissolutus, i, 89. 

 Shorten, John W. Relation of Birds 

 to Agriculture, v, 67. 



The Little Screech Owl, viii, 52. 



Shrike, Great Northern, vii, 12. 

 Sigaretus (Sigatica) Boettgeri, Mr. 

 and Aid •■■ ix, (42) 106. 



inconstans, Mr. and Aid.* ix, 



(42) 106. 

 (Sigaticus) clarkeanus. Aid.* x, 

 83- 

 Silurian Fossils, new. (See Miller, 

 S. A.; Wetherby, A. G.; Ulrich, 

 E. O.; James, U. P.) 

 Siurus auricapillus. Peculiar plum- 

 age, ii, 102. 



