144 



BA RD WICKE'S SCIENCE- G OSS IF. 



forams, &c., in exchange for choice micro-sUdes of every 

 description, and British marine shells. Foreign correspondence 

 solicited.— R. Suter, 5 Highweek Road, Tottenham, London. 



Offered, books. "Elementary Chemistry," "Elementary 

 Physics," "Practical Chemistry," "Inorganic Chemistry," 

 " Elements of Acoustics," " Our World, its Rocks and Fossils," 

 " Livre des Versions," "German Grammar," " School Hist, of 

 England," and a number of similar books of instruction. Offers 

 wanted in other books, shells, stamps, or garden requisites. — 

 Mrs. Heitland, The Priory, Shrewsbury. 



"Gardening Illustrated," in seven volumes, 1884-90, un- 

 bound. What offers in scientific or other books?— A. B., 

 Advertiser Office, Chepstow, Mon. 



Trinidad Icpidoptera offered for a good classified list of 

 lepidoptera — Kirby preferred. — \V. E. Broadway, Royal 

 Botanic Gardens, Trinidad, B.W.I. 



Offered, good botanical microscopic slides, for books on 

 botany or microscopy.— J. Collins, i^j Muntz Street, Bir- 

 mingham. 



Eggs of British ducks and other birds, wanted in exchange 

 for nests and eggs.— W. Gyngell, 28 Wesiborough, Scar- 

 borough. 



Wanted, cleaned diatoms, foraminifera and polycistina, 

 volvox and other freshwater algs in vials, insects' eggs, podura, 

 lepisma, fleas, sawflies, cockchafers, large water-beetles, and 

 other insects. State requirements in exchange. — Henry 

 Ebbage, Framlingham, Suffolk. 



Duplicates. — Trochiis striatus, Pupa riiigens, hlelatiia 

 sp., liUirex acictdatus. Purpura hcentastotna, Nclicina beryl- 

 Una (?), Littorina scutulata, Acinaa spectruvi, and others. 

 Desiderata, exotic mollusca, especially land shells. — Brockton 

 Tomlin, The Green, Llandaft". 



Clausilia Rolfikti [ver'Aed. by Mr. Th. Cockerell) from a new 

 Kentish locality, in exchange for other not common British 

 land and freshwater shells.— Rev. J. W. Horsley, Woolwich. 



Science-Gossip, numbers 157 to 205, unbound. Exchange 

 for geological lantern-slides, or offers. — J. T. Cook, Edina, 

 Stoneygate, Leicester. 



Helix effulgens, H. calcadeiisis, H. inpeina, H. achatina, 

 H. plectostojjia, H. attaranensis, H. textrina, H. scalpturita, 

 Bulimus doinina, B. Nevilliana, B. Beddomiana, offered in 

 exchange for other land or for marine shells. Pecteii bifrons, 

 P. plica, P. le»iniscatus, in exchange for other species of pecten. 

 — Miss Luter, Arragon Close, Twickenham. 



Offered, eggs of lapwing, moorhen, razorbill, curlew, 

 missel-thrush, ring dove, rook, black-headed and lesser black- 

 backed gull, coot, sedge warbler, lesser redpoll, &c., also 

 Science-Gossip, unbound, for 1890. Wanted, eggs of raven, 

 switt, ruff, nightjar, hawfinch, kite, goshawk, &c. — G. Nichol- 

 son, 3 Crown Street, Newcastle-on-Tyne. 



Offered, Beale's " Micro, in Medicine ;" Berkeley's 

 " Introd. to Cryptogamic Botany," in first-class binding; 

 Baker's "Employment for the Microscope," with all the 

 original plates; "Alternation of Generations" (Stenstrup), 

 Ray Soc. ; pure gathering of batrachiosperma for mounting. 

 Wanted, "Journal of Microscopy and Nat. Science" for last 

 three years (vols. 6, 7, and 8), bound, works on freshwater 

 algae, rhizopods, &c. — J. E. Lord, Rawtenstall. 



Lantern slides (photos, statuary, &c.), wanted in exchange 

 for first-class micro objects. — F. E. Hillman, i Harcourt Road, 

 Wallington, Surrey. 



Wanted, British land or freshwater shells, or any books 

 relating to same. Will give micro material or slides, or foreign 

 stamps in exchange. — A. AUetsee, i South Villas, Kensington 

 Road, Redland, Bristol. 



Finely preserved sea-urchins (E. sphxra) with spines — M. 

 incurva, pellucida, T. /abula, J\I. snbtruncata, S. ensis, T. 

 papyracea, H. pcllucidum, T. testudinalis, H. vlvic, A . cygnea 

 (Scotch), ^. corneum, var. pisidiodes, P./ontiuah; P. pusillum, 

 S. clegaiis, H. netnoralis, var. rubella, &c., offered for British 

 or foreign shells, or lepidoptera. — T. Paterson, 59 Hazelbank 

 Terrace, Edinburgh. 



Wanted, Leda caudata, Natica helicoides, Pleuroioma 

 striolata. Vertigo moulinsia>ta, var. pusilla. Will anyone 

 oblize me with any in return for any of the following rare 

 shells : Cyclostrema serpuloides, Scalaria clathrat:ila, Eulima 

 bilincata, Odostoinia nivosa, and others. — T. E. Sclater, Bank 

 Street, Teignmouth. 



Wanted, land and freshwater shells of fossils from any 

 formation not im collection, in exchange for Aiicylus lacustris, 

 Planorbis vortex, P. carinatus, Limnica glaber, L. stagnalis, 

 L. peregra, Spkarum corneutn, Physa Jontinalis, Helix 

 Jiortensis, H. pomatia, H. hispida, Clausilia rugosa, Pholas 

 Candida, and others. — R. D. Laurie, 19 Willow Bank Road, 

 Birkenhead. 



Offered, Phillips' "Metallurgy," Phillips' "Geology," 

 Catlow's " Conchology," Lardner's "Natural Philosophy," 

 &c. (list sent), in exchange for secondary fossils. Address — 

 M., 56 Clarendon Villas, Brighton. 



Wanted, foreign shells not in collection, more especially 

 helices and bulimi. Offered, other shells. Foreign corre- 

 spondence invited. — G. R. Sykes, 13 Doughty Street, London, 



W.C. 



Hairs and spines of sea-mouse, in exchange for micro-fungi, 

 unmounted material. — A. Montague, Penton, Crediton. 



Ularginella glabella (from Mazagan), Haliotts iuberculata 

 (Mazagan), Helix potnatia (Switzerland). Exchange foreign 

 shells not in collection. — L. Montague, Penton, Crediton. 



Proctor's "Star Atlas," and " Half-Hours with the Stars," 

 offered in exchange for books on microscopy. Also Hydra 

 vulgaris and Melicerta ringens for Hydra viridis, — W. F. 

 Kelsey, Maldon. 



Dredgings and good drift wanted, containing shells, &c., 

 from the fo'lowing places: coast of Scilly, Guernsey, Scotch 

 Isles, North Sea, Irish coast, near Cork, and from the entrance 

 to the Bristol Channel. Good exchange given. — A. J. R. 

 Sclater, M.C.S-, 23 Bank Street, Teignmouth, South Devon. 



Offered, Scienck-Gossip, unbound, clean, complete, 14 

 vols., 1S76 to 1889. Wanted, algological or botanical books,, 

 or other exchange. — T. H. Buffham, A.L.S., Comely Bank 

 Road, Walthamstow. 



Several hundred British lepidoptera, in exchange for out- 

 door plants, roses, and ferns. — W. H. T., in Queen's Road, 

 Portsmouth. 



Huxley's " Physiogr.aphy," Nos. 245 to 291 of Science- 

 Gossip, and entomological collecting and preserving apparatus, 

 in exchange for science books or micro-slides. — W. E. Watkins, 

 30 Dalmeny Road, Tufnell Park, London, N. 



Offered, Cassell's "Natural History," Parts i to 8, new 

 edition now appearmg. — Chas. Leigh, 47 Sydney Street, 

 London, S.W. 



Wanted, nests of goldfinch, long-tai'ed tit, golden-crested 

 wren, and redpole, during the season. Eggs, shells, or 

 lepidoptera offered in exchange. — William Hewen, 12 Howard 

 Street, Fulford Road, York. 



" Nature," in weekly numbers, unbound, for the year 18S2, 

 three numbers missing ; 1883, five numbers missing ; 1S84, com- 

 plete, in exchange for British land and freshwater shells. — 

 T. Place, 50 Townend Street, York. 



Science-Gossip, in parts, from January, 1887, to December, 

 1890. Offers requested in foraminiferous material, papers on 

 the foraminifera, or good micro-slides. — A. Earland, 3 Eton 

 Grove, Dacre Park, Lee, S.E. 



Wanted, British land and freshwater shells. Can offer in 

 exchange Pupa secale, Carychiutn minimum, &c. Address — 

 H. T. Smith, 11 Oakfield Place, Clifton, Bristol. 



Wanted, a few British mosses ; will give slides, &c., in 

 exchange. Address — T. B., Conservative Club, Hinckley. 



Wanted, a good li-inch objective, or a section cutter, in 

 exchange for bound vols, of "Journal of Royal Microscopical 

 Society," for 18S7 and 18S8.— F. Coles, 53 Brook's Road, Stoke 

 Newington, London. 



Offered, Xylophaga dorsalis, Pholas crispata, and ]\Iya 

 arenaria, last two with siphons extended. Wanted, shells not 

 in collection. — J. Smith, Monkredding, Kilwinning. 



Wanted, Bowman's "Cotton Fibre " and Porter's "Treatise 

 on Silk." State desiderata to R. S. Dawson, Belmont, Shipley. 



Science-Gossip, from commencement to present date of 

 issue, what offers? — Linder, New Brompton, Kent. 



BOOKS. ETC., RECEIVED FOR NOTICE. 



" Coal, and What we Get from It," by R. Meldola (London : 

 S.P.C.K.).— "The Missouri Botanic Garden."— Fifth Report 

 U.S. Entomological Commission — Forest Insects," by A. S. 

 Packard (Washington). — "Annual Report Fruit-Grower's 

 Association of Ontario, 1S90." — "Colour Measurement and 

 Mixture," by Capt. Abney (London: S.P.C.K.).— " Tele- 

 scopic Work for Starlight Evenings," by W. F. Denning 

 (London: Taylor and Francis). — "Zoological Articles," by 

 Prof Lankester and Others (Edinburgh: A. and C. Black). — 

 "Geologists' Association — A Record of Excursions made 

 between i860 and 1810," edited by T. V. Holmes and C. D. 

 Sherborn (London: Edward Stanford). — "Discovery," No. 5. 

 —"The Conchologist," No. i.— "The Pedicula and Mallo- 

 phaga," by Prof. H. Osborn (Washington: Govt. Office). — 

 "Bulletin of Microscopical Society of Calcutta." — "Nature 

 Notes." — "American Microscopical Journal." — *'The Micro- 

 scope."—" American Naturalist." — " Canadian Entomologist." 

 —"The Naturalist."— The Botanical Gazette."— " The Gen- 

 tleman's Magazine."— "The Midland Naturalist."— " The 

 Garner." — " Feuille des Jeunes Naturalistes," &c., &c. 



Communications received up to the 13TH ult. from : 

 J. E. N.— T. S.— S. A. C— J. H. C— I. T. C— F. T. S.— 

 H. E. G.— W. W.— T. W.— A. C. D.— J. W. H.— L. E. A.— 

 M. B. M.— I. E. v.— Mrs. H.— H. E.— B. T.— E. F. S.— 

 M. W.— W. G.— W. H. S.— J. C— W. E. B,— J. R.— C. O. S. 

 — D. H. S. S.— S. M.— R. S— D. M. W.— P. F. K.-M. E. P. 

 —J. H. M.-H. F.— J. E. U.— P. T.— C. S.— E. B.— H. D.— 

 W. F. R.— J. W. W.— W. B.— F. C. M.— C. L. B. C— F. E. H. 

 — H. J. T.— A. H.— M. E. P.— A. A.— A. J. R. S.— T. E. S. 

 — R. O. L.-Miss L.— J. E. L.— N. F. D.— E. R. S.— L. M.— 

 A. M.— J. W. P.— G. N.— Dr. I.— J. C. H.— W. H. T.— 

 T. H. B.— J. H. W. H.— J. C— E. B.— T. S. B.— A. J. S.— 

 A. E.-J. P.— W. H.— C. L.-W. E. W.-E. H.— W. J. S.- 

 J. H.-J. S.— E. M.— R. S. D.— J. S.— H. E. E.— W. M. O. 

 — &c, &c. 



