453 



BhacJiura venosa, 296. 

 Rhagovelia obesa, 434. 

 Rhaphigaster pennsylvanicus, 380. 

 Rhiginia cruciata, 425. 

 Rhinogryphus aura, 137. 

 Rhopalotornus ater, 411. 

 Rhyacophilus solitarius, 242. 

 Rilev, C. V. Award of Walker Prize 



to, 257. 

 Rockport, petrography of, 309. 



Salda coriacea 433. 



interstitialis, 431. 

 ligata, 431. 

 separata, 432. 



Salpinctes obsoletns, 112. 



Sandpiper, the Stilt, injST. E., 252. 



Sayornis Sayus, 127. 



Sciurus hudsonius, 97. 



Scolecophnou-^ cyanocephalus, 122. 



Scudder, C. W., elected Treasurer, 79; 

 Treasurer's report, 195. 



Scudder, Samuel H. Century of Or- 

 thoptera, Decade VTI, 27 ; new Sal- 

 tatorial Orthoptera from the South- 

 ern U. S., 35; on the circulation in 

 insects, 77; on some Orthoptera 

 from Florida, SO ; on a carbonifer- 

 ous species of cockroach, 238; an 

 insect wing of extreme simplicity 

 from the coal-formation, 248; on 

 Pieris rapae, 249; fossil insects from 

 Illinois. 259 ; note on Termes Rip- 

 pertii, 275; remarks on Calliptenus 

 and Melanoplus, with a notice of 

 the N. E. species, 281 ; species of 

 Melanoplus west of the 117th me- 

 ridian, 286 ; Rhachura, a new genus 

 of fossil Crustacea, 296; a carbon- 

 iferous Termes from Illinois, 300; 

 dimorphism in Acridians, 336. 



Sehirus cinctus, 372. 



Selachians, sexual organs and two new 

 genera of, 197. 



Selasphorus ruf us, 128. 



Sialia mexicana, 111. 

 arctica, 111. 



Sinea diadema, 428. 



Sitta aculeata, 112. 

 pygmaea, 112. 



Siurus aurocapillus, 242. 



novaboracensis, 242. 



Spatula clypeata, 145. 



Speotyto cunicularia, 132, 242. 



Spermophilus pallidus, 98. 



tridecim-lineatus, 98. 



Sphyropicus nuchalis, 129. 



Spiders of Europe and America com- 

 pared, 68. 



Spizella Breweri, 119. 

 monticola, 119. 



Sponges, embryology of, 12. 



Stelgidopteryx'serripennis, 304. 



Stenobothrus maculipennis, 89. 



Sterna anglica, 241. 

 Forsteri, 148. 

 frenata, 242. 

 fuliginosa, 308. 



Stiretrus fimbriatus, 369. 



Stryx furcata, 242, 244. 

 praticola, 306. 

 sp. 245. 

 Sturnella neglecta, 122. 

 Sunius, 4. 



binotatus, 6. 



brevipennis, 6. 



calif amicus , 6. 



centralis, 6. 



linearis, 5. 



longiusculus, 6. 



monstrosus, 5. 



prolixus, 6. 



similis, 7. 



trisignatus, 7. 

 Surnia ulula, 306. 

 Sympterygia acuta, 206. 

 Syringa vulgaris, 215. 



Tachypetes aquilus, 308. 



Tamias quadrivittatus, 97. 



Tanager, the Louisiana, in Mass., 330. 



Taxidea americana, 97. 



Termes, Californian species of, 72. 



carboniferous species of, 300. 

 contusus, 300. 

 Termopsis, 73. 

 Termites, 267. 

 Tettigidea lateralis, 90. 

 obesa, 34. 

 prorsa, 34. 

 Tettix rugosus, 90, 

 arenosus, 90. 

 Triphleps insidiosus, 417. 

 Thomomys rufescens, 99. 

 Thyanta custator, 380. 

 Thryothorus Bewickii, 113. 



ludovicianus, 302. 

 spilurus, 113. 

 Thyreonotus dorsalis, 83. 

 Tingis arcuata, 415. 

 ciliata, 414. 

 marmorata, 415. 

 Tipula Besselsi, 42, 



nodulicornis, 43, 

 Tomonotus Zimmerinanni, 89. 

 Toripalpus, 265. 



breviornatilis, 265. 

 Totanus flavipes, 141. 



melanoleucus, 141. 

 semipalmatus, 141. 

 Treherxe, H. S. Letter relating to 



Termites in California, 74. 

 Tremolite of Newbury, Mass., 251. 

 Trichopepla semivittata, 374. 

 I'rimerotropis picta, 31, 90. 

 Tringa Bonapartii, 241. 

 maculata, 241. 

 maculosa, 241. 

 Tringoides macularius, 141. 

 Troglodytes Parkmani, 113. 

 Tropidosteptes, 404. 



cardinalis, 404. 

 Trygonidae, 208. 

 Tryonia, 46. 



Turdus migratorius, 110. 

 nanus, 110. 

 nsevius, 110. 

 Tyrannus carolinensis, 127. 

 verticalis, 127. 



