664< 



GENERAL INDEX. 



dark-brown thrush of the Western Islands of 

 Scotland contradistinguished from the other 

 British species of thrxish, 144 j a thrush in 

 anomalous plumage noted, 597 ; two instances 

 of the solitary thrush being shot near Lon- 

 don, 244. 



Tiger, the mode in which Colonel Duff destroyed 

 the, which had struck him down, 2. 



Tim^rcha tenebricbsa F., the name referred to 

 facts previously given, 532. 



Titmice, facts on the habits of, 147 ; a pair of 

 the greater titmouse have had, inside a pump, 

 a nest of young, and a nest of eggs at the same 

 time, 518. 



Toad, the, can compress itself so as to pass 

 through a small aperture, 519; a notice of 

 toads in holes in grassy pastures, 519 ; a su- 

 perstition relative to toads found incarcerated, 

 548. 



Tormentilla r^ptans and PotentUla r^ptans, in- 

 stances of close assimilation in, 378. 



Tortoise, a species of land, foreknows the re- ' 

 lative coldness of a coming winter, and fore- ' 

 shows the degree by the depth to which it [ 

 buries itself in the earth, 157 ; notes on an ] 

 aquatic tortoise which inhabits the aquarium ' 

 in the Cambridge Botanic Garden, 157 ; a i 

 note of the death of a small land tortoise, and i 

 a conjecture on the cause, 159. ] 



T6rtrix viridkna, places in which it has oc- 

 curred, aad other particulars respecting it, 

 533. 



Trichios^ma lucbrum Leach, the larva of, ejects 

 from the pores of its body, when disturbed, a 

 white liquid, 265. 



Trichonfema Bulbocbdium Ker, an English 

 habitat of, 272. 



Turnip-beetle, or turnip-fly, considerations on 

 the history of the habits of, 429. note *, 543. 



Vanessa Anfiopa, notes on the conditions which 

 affect the periodical abundance and scarcity 

 of, 260; V. urtlcEB, the characteristics of a 

 singular variety of, 263. 



Vauchdn« dich6toma, presumed, notes on an 

 interesting search for, and a habitat of, 537 — 

 539. 



Vipers, the red and the black ; considerations on 

 the question of their identity with, or distinct- 

 ness from, the common viper, 76, 77. J 76. 



Volcanoes of France, facts on the conditions of, 

 with geological inferences deduced from their 

 condition, 81. 



Volcanoes and volcanic activity, a review of cer- 

 tain theories of the causes of, 431 ; a defence 

 of Dr. Daubeny's theory, 588 ; an outline of 

 the results of the Comte de Bylandt's re- 

 searches into the causes and effects of vol- 

 canic phenomena, 83. 



Volcanic emanations, notices of instances of, in 

 connection with evidence argued from an 

 ample collection of adduced facts in proof 

 that meteoric phenomena, temporary varia- 



tions in climate, vicissitudes in the seasons, 

 prevalent disorders, the occasional migrations 

 and irruptions of animals, &c., are connected 

 with them, 80. 193. 289. S85. 609. 



Vulture, the, called the turkey buzzard ; the 

 results of a variety of experiments instituted 

 to discover whether this bird traces its food 

 by the faculty of scent, or that of sight, 165 ; 

 an opinion proposed that vultures, generally, 

 trace their food by sight, and not by scent, 

 170; arguments in support of the opinion 

 that the vulture traces its food by the faculty 

 of smeUing, 276. 



Wagtail : notices on the habits and note of the 

 grey wagtail (Motacilla Boirula), and on 

 the note of the spring wagtail, 577 ; facts on 

 wagtails, 342. and note f ; a wagtail in plu- 

 mage pure snow white noted, .593. 



Warbler, the grasshopper, some of its habits 

 described, 341. 



Wasps : Fespa brit^nnica occasionally builds 

 under ground, as well as in beehives, 264 ; 

 notice of a nest of the V. holsatica, probably, 

 264 ; facts on the common wasp, 255. 309. 

 530 ; a notice of a certain dog's mode of de- 

 stroying wasps, 1.38. ; T. campanaria, has 

 any one technically described a species by 

 this name? what are its characteristics and 

 affinities? 82. 



Water, remarks on the causes of the different 

 colour of, in certain places, 438. 



Waterhen, the, the form of its body and the 

 arrangement of its plumage are in beautiful 

 correspondence to its habit of swimming, 73 ; 

 a second brood of waterhens adopted and 

 catered for by the individuals of the first 

 brood, 244. 



Weasel, the, sucks the blood of its prey, 504 ^ 

 an omen relative to the weasel, 545. 



Wheatear, facts on the habits of, 466. 



Whitethroat, a detail of facts on its habits, 343. 



Wilson, the ornithologist, facts in the bio- 

 graphy of, 173. 



Winds, violent, and hurricanes : volcanic ema- 

 nations deemed an agent in the causing of, 

 616. 



Wireworm, facts on the, 423. 



Wolf, zoological recollections on the, 324. 



Wryneck, a pair of the, have suffered their nest 

 to be removed and replaced five times, and 

 four layings of eggs to be taken away, before 

 they would quit the place of attempted incu- 

 bation, 465. 



Yellowhammer, notice of a vulgar prejudice 

 against the, 561. 563 ; a deprecation of this 

 prejudice, 561 ; and facts on the bird's habits. 



Zoological recollections, 315. 390. 



Zoology, British, illustrations in, 13. 126. 230. 



348. 490. 584. 638. 

 Zoology, a remark on the tendencies of, 604. 

 Zygse^na Ibti, a locality for, in 1833, 534. 



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^'tOlTDON ; 



Printed by A. Spottiswoode, 



New. St reet- Square, 



