GENERAL INDEX. 



567 



Glaucus tetrapterygius and hexapterygius, 

 figured and noticed, 319 ; on the organs 

 of respiration of the latter, 237. 

 Ianthinafragilis (Helix IanthinaL.), found 



on the British coast, 230. 

 Llmax Sowerbyi Ferussac, its food and 



eggs noticed, 46. 

 Mylilus polym6rphus, a notice of, 532. 

 Slugs, see Z/imax and Testacellus ; both 

 here. Snail: the species of land and 

 freshwater shell snail met with in Nor- 

 folk, 324; in Derbyshire, 326; facts on 

 the common snail (Helix asp£rsa), 200. 

 324. 

 Testaceous Septulum Sowerby, facts on the 

 habits of, 43. Testacellus Maugb', a figure 

 and notice of, 45. 



Moth, the death's-head, means to promote the 

 obtaining imagoes of, from larvae fed in cap- 

 tivity, 272 ; notices of Zygae'na filip^ndulae, 

 201. 374 ; Odenesis potatbria, 201 ; Geometra 

 crataagaria, 201 ; A'rctia Caj«, 201, 202 ; Hy- 

 perc6mpa dominula, a singular variety of, 

 541 ; GUe v a rubiginea, 541. 



Mustelae, on the habits and food of the British 

 species of, 202. 



A/ytilus, see Molluscous animals. 



Natterjack, characters and habits of the, 185 ; 

 localities for, 457. 526. 



Natural History, a knowledge of it very needful 

 to writers on general subjects, and of great 

 moral use to all men, 174. 



Natural History Society, the London, a notice 

 on 446 



Nests of birds, in remarkable situations, 32. 69. 

 140. 154, 524 ; pendulous nest of the L6xia 

 philipplna Z.,219; nest and eggs of a bird 

 found within the wood of a tree, 460. 



Newt or lizard, a water species, at Maiden 

 Newton, Dorset, 379 ; the circulation of the 

 blood may be well seen in the tail of the 

 common newt, 549. 



Nidification, see Nests. 



Nightingale, the, the charms of its song, 114. 



Nomenclature, see Genera. 



Nuthatch, the, facts on, 335 ; it occurs in Der- 

 byshire, 327. 



Nymphum coccineum Johnston, figured, 41 ; 

 described, 42. 



Obliquities in the action of certain of the powers 

 of sense in some persons, 280. 



0Vi° n vinulae, six individuals of, and a B6m- 

 byx menthastri, hatched from a cocoon of 

 Z?6mbyx vf nulus, 378. 



Ore, an, which acquires a white incrustation, 

 480. 



Ousel, rose-coloured (Pastor rbseus Tern.), a, 

 shot in Berwickshire, 12 ; one in Suffolk, 

 150 ; one near Dublin, 520. 



Owl, the short-eared, breeds in Norfolk, 150 ; 

 notice of an individual seen in Essex, 452. 



Oyster catcher (Haamatopus ostriilegus L.), 

 notes on the, 151, 152. 



Papili6nida2, see Butterfly. 



Partridge, the Virginian, a query on the natu- 

 ralisation of, 153. 



Peacocks, the passion of two for gazing in look- 

 ing-glasses, 513 ; a peahen's rencontre with a 

 heron in killing an eel, 516 ; pea-fowl reputed 

 to be destructive to serpents, 516. 



Peewit, a remarkable variety of, described, 519. 



Pettychaps, see Sylvia. 



Persons, see Obliquities. 



Petrel, facts on the habits of one or two species 

 of petrel, 161. 



Phalarope, grey, shot at Largs, 515. 



Pheasant, the habits of the, 308. 



Philipsburg, Pennsylvania, see Ice-storm, and 

 Meteorology. 



Pimpernel, see .^nagallis. 



Plmpla stercorator, see Zchneumbnida?. 



Pitchstone, localities of, 191. 



Plants observed during a tour through a part of 

 North Wales, &c, by Mr. Wm. Christy, jun. 

 51 ; plants observed in the neighbourhood of 

 Barmouth, North Wales, by Mr. Thos. Pur- 



ton, 57 ; the rarer of the plants of the neigh- 

 bourhood of Wimborne, &c, Dorsetshire, 

 546; a list of many of the plants native of 

 Aberdeenshire, 339 ; rarer plants observed in 

 Berwickshire, 17 ; rare species of plants met 

 with in Norfolk, 326; in Derbyshire, 326; 

 has a list of the plants of Lincolnshire been 

 published ? 192 ; on the affinities of plants 

 with subjacent rocks, 335. 424 ; Dr. Daubeny's 

 formulary for a table of observations in rela- 

 tion to these affinities, 506; snow prevents 

 the escape of heat from plants, and so pro- 

 motes the preservation of them, 80; seed, 

 stems of plants peeping through the snow, 

 158; dates of the blooming of various plants, 

 489; of Draba v£rna, 193; short communi- 

 cations on plants, 74. 367. 545; Protoc6ccu» 

 nivalis, 557. 



Plesiosaurus, a notice of a fossil skeleton, found 

 near Bedford, of a, 422. 



Plumularia Catharine Johnston, figured, 498 ; 

 P. Catharlna, P. pinnata, and P. set^cea, de- 

 scribed, 497. 



Plumage of birds, causes affecting the change in 

 the colour of the, 79. 502. 



Pluviometers figured and described, 182. 



Polecat, on the food and habits of the, 203. 



Polybrachibnia sp., figured, 315; described, 

 316 ; Polybrachibnia Math£ws«z, figured and 

 described, 317. 



P6ntia, see Butterfly. 



Porcupine, Canadian, facts on the habits of, 510. 



Potentilla and Tormentilla, on the distinctions 

 between the Linnamn genera, 247. 



Prawn, information on the animal frequently 

 found encysted on the side of the head of the, 

 94. 



Preserving, on, specimens of natural objects 

 from the attacks of insects, and from injury 

 from other sources, 90, 91, 92. 554, 555. 



Primulaceae, a query on the, 477. 



Proctotrfipidae, see Insects. 



Protocbccus nivalis, facts on, 557. 



Pidex arborescens, an interesting fact on, 477. 



Pyrites, hepatic or radiated, facts on, 480. 



Rabbit, wild, extraordinary growth of the in- 

 cisor or cutting teeth in the, 21, 390. 



Radiate animals : Siphunculus Dentalii Gray, 

 figured and described, 234; Polybrachionia 

 sp., figured and described, 315 ; Polybrachi- 

 6nia Math£ws«, figured and described, 317 ; 

 Velella, a species of, figured and described, 

 318 ; B^roe pileus, 501. 



Rainbow, lunar, 463. 



Rain gauges figured and described, 182. 



Rat, selection of medicine by the, 367 ; remark- 

 able lengthening in the cutting teeth of the, 

 390 ; facts on the habits of the musk rat in 

 Canada, 511. 



Raven, a tame godwit destroyed by a wild raven , 

 145 ; anecdotes on tame ravens, 68. 145. 



Redstart, facts on the, 34. 151. 524. 



Redwing, see Thrush. 



Rennie, James, M. A. A.L.S., Professor of Zo- 

 ology in the King's University, London, Mr. 

 Doubleday's apology to, 78 ; the Conductor's 

 apology to, 78. 



Reptile, see Frog, Toad, Viper, and Fossil. 



Robin, nest of the,in situations evincing its con- 

 fidence in man, 35. 68. 524 ; early nests of the, 

 525 ; facts on the habits of the robin, 4 ; a 

 sympathy for the thrush ascribed to the robin, 

 69. 



Rocks, on the affinities of plants with, 335. 424; 

 Dr. Daubeny's scheme of a formulary of a 

 table of observations on, 506. 



Rook, services of the, 142; facts on the, 334. 



Sabella amce^na Johnst., described, 405 ; figured, 

 406. 



Sandpipers breed about Clitheroe, 148 ; a query 

 on the green sandpiper, 149. 277 ; the purple 

 sandpiper seen in Essex, 452. 



Sandstone, see Geology. 



Sap, see Chara. 



Scabibsa arv^nsis L., and varieties of, facts on, 

 547. 



