ii. 234

_Tropidechis_, ii. 383

_Tropidococcyx_, ii. 379

_Tropidodipsas_, ii. 379

_Tropidolepis_, ii. 401

_Tropidolepisma_, ii. 397

_Tropidonotus_, ii. 375

_Tropidophorus_, ii. 397

_Tropidopterus_, ii. 490

_Tropidorhynchus_, ii. 276

_Trucifelis_, N. American Post-Pliocene, i. 129

_Trugon_, ii. 333

Trumpeters, ii. 358

_Truncatella_, ii. 519

_Trgyon_, ii. 463

TRYGONIDÆ, ii. 463

Tuatara, ii. 405

_Tudora_, ii. 521

Tundras of Siberia, greatest extent of, i. 216

_Tupaia_, ii. 186

TUPAIIDÆ, ii. 186

_Tupaiidæ_, European Miocene, i. 118

_Turacoena_, ii. 333

Turacos, ii. 307

_Turacus_, ii. 307

TURBINIDÆ, ii. 510

TURDIDÆ, ii. 255

_Turdinus_, ii. 262

_Turdus_, ii. 256

_Turnagra_, ii. 262

Turner, Mr., on classification of Edentata, i. 90

TURNICIDÆ, ii. 341

_Turnix_, ii. 341

TURRITELLIDÆ, ii. 509

_Tursio_, ii. 209

Turtles, ii. 409

_Turtur_, ii. 333

_Tylas_, ii. 267

_Tylodon_, European Eocene, i. 125