529 



Spharagemon cristatum, 468, 470. 



wyomingianum, 468, 470. 

 Spheotyto cunicularia, 64, 342. 



hypogaea, 342, 444. 

 Sphyrapicus nuchalis, 63, 344, 443. 

 rubor, 362. 

 varius, 63, 344, 443. 

 Williaiiisouii, 344. 

 Spiders, from Labrador, 490. 



structure of male palpus of, 505. 

 Spizella Brevveri, 57, 340, 346, 350, 354, 

 358. 

 monticola, 441. 

 pallida, 57, 340, 346, 350, 358. 

 pusilla, 57, 442. 

 socialis, 57, 340, 358, 442. 

 Sponges, 204. 



Sprague, P. S., and Austin, E. P. On 

 the species of Coleoptera described by 

 J. W. Randall, 373. 

 Squatarola helvetica, 445. 

 Stagmatoptera binotata, 28). 

 Stalia foliata, 457. 

 Stelrodonopis, 259. 



b'dobata, 260. 

 Stephanoceras macrocephalum, 368. 

 Stercorarius Buffoni, 449. 



parasiticus, 449. 

 pomarinus, 449. 

 skua, 453. 

 Sterna antillarum, 450. 

 Forsteri, 449. 

 fuliginosa, 453. 

 hirundo, 449. 

 macroura, 449. 

 paradisea, 450. 

 portlandica, 450. 

 Stipa sparta, 85. 



viridula, 85. 

 Stodder, Charles. On the discovery 

 of the Bermuda Tripoli, 126; examina- 

 tion of Mud from Oyster beds, 182. 

 Strix pratinicola, 444. 

 Strepsilas interpres, 445. 

 Sturnella ludoviciana, 60. 



magna, 340, 346, 350, 359, 442. 

 neglecta, 60, 340, 346, 350, 355, 

 359. 

 Sula bassana, 448. 



fiber, 453. 

 Sullivant, J. Letter regarding the 



Bermuda Tripoli, 422. 

 Suoeda diffusa, 82. 

 Surnia hudsonica, 444. 

 Swallow, Ellen H. Analysis of Sam- 

 arskite, 424; on the occurrence of Bo- 

 racie. Acid in mineral waters, 428; 

 chemical composition of some of the 

 Minerals accompanying the Lead Ore 

 of IS'ewburyport, 462 

 Symphemia semipalmata, 446. 

 Symphoricarpus occidentalis, 76. 

 Synchloe Protodice, 90. 

 Syneda dedvcta, 213, 220. 



pavitensis. 213, 221. 

 Syrnium cinereum, 444. 



nebulosum, 64, 444. 



Tabanidae, new monograph of, 314. 

 Tachycincta bicolor, 53. 

 proceedings b. s. n. H. — VOL. XVII. 



Tachycincta thalassina, 53, 339. 

 Taeniocampa carina, 158. 



confluens, 159. 

 intracta, 160. 

 modiiica, 150. 

 Tamias pallid us, 43. 



quadrivittatus, 43. 

 Tarache aprica, 212. 



caudefacta, 212. 

 cretata, 212. 

 delecta, 212. 

 tenuicula, 212, 218. 

 Tarantula, nests of, 130. 

 Taxidea americana, 38. 

 Telesilla cinereola, 212. 

 Tellina pernambucensis, 256. 

 Tetragnatha extensa, 493. 

 Tetrao obscurus, 347. 

 Tettigidea cuspidata, 211. 

 Tettigonia pruinosa, 286. 

 Thalasseus acuflavidus, 449. 

 caspias, 449. 

 regius, 449. 

 Thalictrum Fendleri, 71. 

 Thalpochares concinnimacula, 212. 

 Thaumatias Linnaei, 443. 

 Thaumatopsis, 161. 



longipatyus, 161. 

 Thermastris Dolirnii, 280. 

 Tliomomys rufescens, 43. 

 Thorell, T. Notice of some Spiders 



from Labrador, 490. 

 Thorybes Phyllades, 90. 

 Thryothorus Bewickii, 357. 

 spilurus, 357. 

 Tidal erosion, 465. 

 Tinnunculus sparverius, 444. 

 Tomicus gulosus, 376, 381. 

 Tornos, 217. 



robiginosus, 211, 218. 

 Totanus melanoleucus, 66, 351. 

 semipalmatus, 348. 

 solitarius, 66, 342, 345, 351. 

 Tradescantia virginica, 84. 

 Tragocephala, 480. 



brevipennis, 480, 483. 

 cubensis, 480, 483. 

 obion a, 480. 

 pacifica, 480, 484. 

 viridifasciata, 480, 481. 

 Treasurer's Annual Report, 12. 

 Tricopis chrysellus, 212. 

 TringaBairdii,66, 351. 



canutus, 446. 

 Tringoides macularius, 66, 343, 345, 348, 



352, 446. 

 Triticum repens, 85. 

 Trochilus colubris, 443. 

 Troglodytes aedon, 50, 357, 439. 

 hyemalis, 439. 

 Parkmanii, 50, 357. 

 Troximon cuspidatum, 79. 

 Tryblionella punctata, 182. 

 Trygon, 170. 



Trvngites rufescens, 446. 

 Turdus Aliciae, 438. 



fuscescens, 48, 438. 

 migratorius, 48, 338, 345, 349, 355, 



438. 

 mustelinus, 438. 



31 



AUGUST, 1875. 



