660 



GENERAL INDEX. 



Empires, some of the natural boundaries of, 

 noted, 95. 



Encrinites, see CrinOidea. 



Entomologia rustica, hints for a, 423. 



Entomological Society of London, a notice of 

 the first meeting of the, 59. 



Entozba, a clew to information on, 94. 



Erfstalis tfenax, information on, 184. 



Falcnnidae, the, return, by the mouth, the 

 indigestible remains of the food they have 

 swallowed, 514; instances of the falcons 

 grasping their prey with remarkable tenacity, 

 S34 ; a notice of localities for certain species 

 of Falco, and facts on the habits of these 

 species, 333. 



February the second, adages on, relatively to 

 the weather on, 539. 



Feline animals, facts suggesting to man his fit- 

 test mode of defending himself from the at- 

 tacks of, I. 



Fieldfare, a notice of the song of, and facts on, 

 a caged one, 151. 



Flies : notice of a mode of deterring house flies 

 from entering apartments, 271 ; flies have been 

 observed to feed eagerly on the extravasated 

 sap of elm trees, and have been found dead 

 afterwards, 527 ; flies, of various species, dead 

 in the posture of life, facts and remarks upon 

 several instances of, 530. 



Fox, facts on the habits of the, 134 ; circum- 

 stantial evidence in proof that the fox will 

 capture fishes for food, 240 ; some of the fox's 

 observances when hunted, 401. note f; a 

 chained fox has spread some of its food within 

 the range of its chain, to tempt poultry within 

 its reach, 401. note t; zoological recollections 

 on the fox, 401. 



Freshwater formations at Copford, near Col- 

 chester, Essex, an account of the strata of, 

 and of their fossil contents, 436 ; some notice 

 of the lacustrine formations at Stutton,by the 

 side of the river Stour, about six miles south 

 of Ipswich, and of some of the fossil shells 

 within them, 274. 



Frost, see Hoarfrost. 



i'^ucoldes alleghani^nsis Harlan, a description 

 and figure of, and notices of the geological 

 relations of the places and strata in which it 

 is found, 27. 163. 



F(ing\, a description of a mode practised, by M. 

 Klotzsch, of drying specimens of, for preserv- 

 ation in herbariums, 131 ; a brief notice of 

 several speci«s of epiphyllous .Fungi which 



t have been observed in the neighbourhood of 

 Oxford, and have not been hitherto generally 

 known to occur in Britain, V4 ; iEcidium Ber- 

 bdridis Persoon, and Puccfnia Graminis Per- 



' soon, can never inhabit the same species of 

 plant, 26, 27- 



Fusus Turtbni Bean, a figure and description 

 of, 493. 



Gall-bladder, a list of animals which have not 

 a, 317. 



Geology : illustrations, by figures and remarks, 

 of the dissimilar appearances presented by the 

 dead stem of Sempervivum arbureum L., dur- 

 ing the successive stages of decay, to the end 

 of reconciling the dissimilar appearances of 

 specimens of stems of fossil species of plants, 

 32; a notice of some important geological 

 discoveries at Billesdon Coplow, Leicester- 

 shire, with observations on the nature of their 

 relation to the modern system of geology, 38. 

 See, also. Freshwater formations, Fucoides, 

 and Switzerland. The geological museum of 

 G. Mantell, Esq., is about to be removed to 

 Brighton, 49. 

 Ge6trupes Bannani Bromfield, characterised 



183. 

 Gern, see Salt. 



Glowworm, localities in which the, has been 

 seen, and various facts in contribution to the 

 natural history of the glowworm, 250. 

 Goferius olens, facts on the habits of, 253, 254. 

 Gold, instances of the occurrence of, 647. 

 Goldfish with a double tail-fin, an instance of, 

 159 ; an opinion on the cause of, 283. 



Grain, notes on some species of insects whfcft 

 consume, 255. 



Grakle, the purple, incidents in the history of, 

 102. 



Granite, see Switzerland. 



Grenada, information on an insect which ra. 

 vages the sugar cane in, 496. 



Guernsey and Jersey, the rook is rare in, and 

 does not build in, 462 ; the reputed origin of 

 the Guernsey lily's inhabiting Guernsey, 271 j 

 the red-legged chough occurs in Jersey, but 



■ is rare there, 462; notices on lepidopterous 

 insects observed in Jersey, 473. 



Gull : some of the habits of an individual of the 

 lesser black-backed gull in partial '.confine- 

 ment, 511 ; notice of an attack of a large sea- 

 gull, in the manner of a species of rapacious 

 bird, upon a kittiwake gull, 512; the kitti- 

 wake is common on the coast of Dorsetshire, 

 513. 



Hare : wbite hares, 504 ; a two-coloured hare, 

 505 ; black hares, 505 ; instances of sagacity 

 in the hare, 506 ; an instance of monstrosity 

 in a hare, 506; an orren connected with the 

 hare, B'iQ. note f ; zoological recollections on 

 the hare, 402. 



Hawfinch, a notice of instances of persons find- 

 ing, in Britain, the nest and eggs of the, 156 f 

 suggestions on the English and systematic 

 names of the hawfinch, 594. 



Hawks, a fact suggesting the question. Have 

 they such power of sight as is usually ascribed 

 to them? 333; zoological recollections on the 

 hawk, 406. 



Hedgehog, the, is subject to persecuting preju- 

 dices, 559. 654 ; pleas for it against these, 559: 



Hfelix octbna Pennant, synonymes of, 161. 379; 

 a contribution towards the synonymy of H. 

 octbna L., 380. 



Henharrier and ringtail are identical', 335. 



Heron, the common, facts on, 513. 



Hesp^rirt Actse^'ore has been taken in plenty at 

 Lulworth, 499. 



Hipparchirt Janlra, a profile of Chancellor 

 Brougham is, it is said, observable on the 

 reverse of the wings of, 262. 



//irundinidas, those which visit Britain, dates 

 when first seen in spring, and last seen in 

 autumn, 337. and note t ; their habits of 

 flight described, 346. See Swift. 



Hoarfrost, facts and arguments on the causes 

 of, 453. 



Hog, zoological recollections on the, 397. 



Hoopoe, facts on the habits of, as observed near 

 Bordeaux, 155 ; instances of the occurrence 

 of the hoopoe in Britain, 155. 



Hornet, facts on the habits of, 529. 



Horse, zoological recollections on the, 315. 



Humming-birds, a notice of the structure of the 

 tongue of, of its fitness to collect the nectar of 

 flowers, of themanner in which they take this, 

 and of some of their habits, 5i^9 ; directions for 

 preserving the eggs of, for cabinets, 572 ; Mr. 

 Waterton's analysis of Mr. Audubon's ac- 

 count of the precocious flying of the young of 

 the ruby-throated humming-bird, 71 ; and of 

 his account of the nest of this species, 72; 

 notes on the habits of the red-throated species 

 (7'r6chilus Culubris), 510 ; some information, 

 and a clew to more, on humming-birds, 91. 



Hydrachnadze, information on the, 161. 



Ice and icebergs, remarks on the causes of the 

 colour of, 440 ; facts on the conditions of ice 

 in various places, 618 — 630. 



Ichneumons, a notice of certain, which, in a 

 winged state, devour the larv£e of other in- 

 sects, 266 ; a note on the power of stinging in 

 ichneumons, 266. 



Ignes fatui, views on the origin of, 580. 

 Insects: essays in explanation of the structure 

 of insects, and of its relation to their eco- 

 nomy, 121. 235 ; an explanation of the process 

 of the circulation of the blood, and of that of 

 respiration, in insects, 2)5; a case in which 

 life in an insect's eggs is thought to have been 

 very persistent, 250 ; extreme cold does not 

 destroy life in insects' eggs, 246 522 ; notices 



