780 



INDEX. 



Thomson, T. ; 350. 



Thorellia; 160, 565. 



Thracia: 131. 



Thresher-Shark; 78. 



Thuites ; 375, 380, 387. 



Thyasira; 131. 



Thysanopoda; 148,562. 



Thysamira; 145, 508. 



Thymus ; 203, 218, 232. 



Tiaropsis ; 189. 



Tilia; 375,384. 



Till deposit; 367. 



Tinese; 143. 



Tinodes; 502. 



Tin-ore at Evigtok, J. W. Tayler on 



the; 349. 

 Tinunculus ; 96. 

 Tipula; 143, 502, 507, 508. 

 Tiron ; 156. 

 Tisbe; 160. 



Tofieldia ; 234, 250, 270. 

 Tomopteris ; 177. 

 Toninia; 298,309. 

 Torell, Dr. O., on animal Ufe at 



great depths ; 195. 



3, 19,418. 



Torellia; 380. 



Torreya; 387. 



Tortrices; 143. 



Tortricidse ; 502, 507. 



Tortula ; 272. 



Toula, Dr. Fr., on the Geology of E. 



Greenland; 586. 

 Toxoglossata ; 127. 

 Toxopneustes ; 184. 

 Trachynema ; 188. 

 Transition rocks ; 327. 

 Trap-formation ; 333, 334, 336, 337, 



3.53, 420, 423, 472, 497. 

 Travisia; 172. 

 Trematoda; 182. 

 Triassic rocks ; 593, 

 Triblionella ; 530. 

 Triceratium; 518, 519. 

 Trichechus ; 2, 6, 8, 11, 12, 56, 414, 



500. 

 Trichobranchus ; 175. 

 Trichocera ; 144. 

 Trichodectes ; 145. 

 Trichoptera; 142,502. 

 Trichostomum ; 238. 

 Trichotopis; 127. 

 Trichotropis ; 512. 

 Trieutalis ; 220. 

 Trifolium; 221. 

 Triglochin ; 220, 234. 

 Triglops; 116. 

 Triloculina; 192, 193, 194. 

 Tringa; 103, 180. 

 Tripe- de-roche ; 301, 302. 

 Trisetum ; 237, 252, 261, 271, 525. 

 Triticum ; 220, 237. 



Tritonia ; 125, 134. 



Tritonium ; 128, 129, 134, 410. 



Tritropis ; 154. 



Trochammina; 192,193. 



Trochus ; 129. 



Troglodytes; 98. 



Trogosita; 385. 



Trollius; 205. 



Trophon; 134, 506, 512. 



Trophonia; 172. 



Troximon; 231. 



Truncatulina ; 192, 193, 194. 



Tschmermak ; 458. 



Tiibipora; 139. 



Tubularia; 176, 188, 281, 505. 



Tubulipora; 139, 281. 



Tubuliporidse ; 569. 



Tunicata of East Greenland ; 556. 



of Greenland, Dr. C. Liitken 



on the ; 138. 



some Arctic ; 503. 



Turbellaria ; 178,560. 

 Turbo; 512. 

 Tardus; 98. 

 Turner; 92. 

 Turnstone; 100. 

 Turritella; 127, 137, 506. 

 Turrites ; 205, 218, 219, 226. 

 Turtonia; 131, 134. 

 Tyndaridea ; 521, 526. 

 Typha ; 208, 220, 235. 

 Typhacese ; 382. 



U. 



Udonella; 178. 



Ulnus; 382. 



Ulonata ; 142. 



Ulothrix; 28, 516. 



Ulva; 238, 241, 255, 280, .520, 521, 



522. 

 Ulvacese ; 241. 

 Umbelliferse ; 229. 

 Umbellula; 186. 

 Umbilicaria; 255, 275, 287, 290, 



291, 292, 297, 301, 306, 522, 527. 

 Unicorn ; 88. 

 Unio; 487. 

 Uraster; 511, 513. 

 Urceolaria; 254,292, 308, 522, 528. 

 Urgonian stage ; 375. 

 Uria ; 109, 179, 180, 181, 183, 514. 

 Uromyces ; 283. 

 Uronectes ; 119. 

 Ursa stage ; 374. 



Ursus; 6, 8, 15, 30, 414, 499, 554. 

 Urtica; 215, 233. 



