HARD WICKE'S SCIENCE- G OS SI P. 



American Lepidoptera pups in exchange — Cecropia, Atta- 

 cus, &c, also five bred specimens of Cecropia. Wanted, 

 English or other Lepidoptera, Coleoptera, &c. — Mark L. Sykes, 

 New Lane, Wyiton, near Manchester, 

 k Wanted, foraminiferous material in any quantity, British or 



foreign, fossil or recent, in exchange for named forams or 

 marine specimens in any branch ; state requirements. — Edward 

 Halkyard, 2 Peel Villas, Cleveland Road, Jersey. 



What offers for Turner's " Elements of Chemistry," and 

 Spencer and Kirby'e "European Butterflies and Moths"? — 



A. W. Fry, 12 Winchester Street, Oreston, Brighton. 



" British Beetles," by E. C. Rye, with 16 coloured plates ; 

 also "Manual of British Coleoptera," by J. F. Stephens, 

 F.L.S., pub. at 14s. 6d. Offers requested in foreign marine 

 shells. — W. J. Jones, jun., 27 May ton Street, Ho'.loway, 

 London, N. 



Wanted, named and localised Diatomacese and Foraminifera. 

 Will give good exchange in mounted Algae, Polyzoa, and 

 Hydrozoa. — Geo. Merritt, 282 Commercial Road, London, E. 



Dragon-flies wanted from all parts of the world for figuring ; 

 good exchange given. — W. Harcourt Bath, Birmingham. 



Wanted, to correspond with all interested in the Isopoda 

 (wood lice) and Myriapoda, with view to working up the two 

 groups. — W. Harcourt Bath, Birmingham. 



Wanted, Echinodermata and stalk-eyed Crustacea ; natural 

 history books and Lepidoptera given in exchange. — W. Har- 

 court West, Ladywood, Birmingham. 



Exchange wanted. Science-Gossip from Jan. 1S83 to July 

 1883, also Oct. 1883.— Mrs. Bishop, The Platts, Watford. 



Micro slides (good selection) and carboniferous fossils, also 

 some fine specimens of columnar coal, in exchange for rocks, 

 minerals and crystals (almost any). — Robt. Pettigrew, jun., 

 06 Flowerhill Street, Airdrie, N.B. 



Wanted, second-hand copy of Newman's "Butterflies and 

 Moths." — R. B. Postans, 14 Enys Road, Eastbourne. 



Foreign shells exchanged for others not in collection.— 

 J. T. T. Reed, Ryhope, Sunderland. 



Wanted, a good recent Manual of Geology (Lyell's 

 "Student's" preferred), in exchange for Cassell's "European 

 Ferns," 4to. ; the thirty numbers complete, coloured plates, 

 early impressions. — R. McCully, Albert Cottage, Winchester 

 Road, Romsey, Hants. 



Offered, Science-Gossip: 7 parts for 1879, " parts for 

 1880 (March part wanting), 1881-83 complete. Wanted, Horace 



B. Woodward's " Geology of England and Wales," 2nd ed. — 

 I. Smith, Monkridden, Kilwinning. 



Planorbis glaber for other land and freshwater, also foreign 

 or marine shells.— John Clegg, 54 Canning Street, Burnley. 



Wanted, good imbedding microtome, freezing microtome, 

 micrographic Dic:ionary. — W. D. Stewart, 2 Gilmore Terrace, 

 Edinburgh. 



Photo-micrographic lantern slides, section spine of Echino- 

 metra hcteropora, cirrhi of barnacle, glass larva, Leptodora 

 hyalina (male and female), chara in fructification, series of 

 marine alga? with reproductive organs, new series whole and 

 part insects, diatoms, &c. Will exchange for equal numbers 

 first-class micro slides. Lists exchanged.' — W. D. Stewart, 

 2 Gilmore Terrace, Edinburgh. 



Wanted, eggs of foreign birds in exchange for British. — 

 W. Gyngell, Wellington, Somerset. 



I should be glad to correspond with students of lichens, 

 with a view to mutual assistance and interchange of specimens. 

 — William Smith, Ormiston Lodge, Arbroath, N.B. 



The following micro- slides mounted by Watson & Sons: — 

 Group diatoms, Actinocyclus Ralfsii; ; anchors and plates of 

 Synapta (arranged) ; spicules of Gorgonia, Holothurea, &c. 

 (very pretty) ; Polycistina from Cambridge Estate, Barbadoes, 

 stained, opaque (very beautiful) ; a lovely slide of insects' 

 scales, hairs, &c, arranged as flowers and butterfly, composed 

 of 104 pieces (opaque) ; Polycistina, single Astromma aris- 

 iotclis, perfect specimen (opaque) ; foraminifera from Adriatic 

 Sea (transparent) ; selenite (blue and yellow).— Wanted in 

 exchange, original Jubilee sixpences; those having any for 

 disposal, please communicate with — M., c.o. Mrs. McMillan, 

 10 Queen Mary Avenue, Crosshill, Glasgow. 



For exchange, three slides of spread diatoms, mounted by 



C. L. Peticolas, Richmond, Virginia, U.S.A., from the follow- 

 ing localities : — Richmond, Virginia, Artesian Well, Cambridge, 

 U.S.A., and Puget's Sound. The Artesian Well slide is said 

 by the mounter to contain nearly 150 varieties, many very 

 rare and beautiful forms. The other two slides also contain 

 many splendid forms, and the three slides would form a rare 

 addition to any collection of slides. — M., c.o. Mrs. McMillan, 

 10 Queen Mary Avenue, Crosshill, Glasgow. 



Wanted, English or foreign shells, fossils, star-fish or sea 

 urchins, in exchange for fossils, coins, medals, &c. — F. Stanley, 

 Margate. 



Foreign butterflies. — Many important species of Papilio, 

 Morpho, Ornithoptera, &c, in duplicate. Parties having any 

 duplicates (exotic onV) should at once send lists. Also wings 

 of Morpho menelaus, &c, for microscopic purposes. — J. C. 

 Hudson, Railway Terrace, Cross Lane, Manchester. 



Wanted, "Wesley Naturalist" for March, 18S7; will give 

 in exchange micro materials or objects. — C. J. Watkins, Pains- 

 wick, Gloucestershire. 



\ 



Wanted, insect cabinet, six or eight drawers, with frames 

 to glasses. Will give in exchange hand-painted lantern slides 

 of micro objects, books on natural history, fine crystal and rock 

 micro slides, or mounting materials. — C. J. Watkins, Pains- 

 wick, Gloucestershire. 



Offered, Science-Gossip for 1867, 1876-81, &c, and 

 British plants. Wanted, Science-Gossip for 1S70-75, and 

 British fossil*.— F. C. King, Bank Villa, Fulwood, Preston. 



Wanted, Cooke's " Microscopic Fungi " (rust, smut, mildew 

 and mould). Will give good value in micro slides. — J. C, 

 23 Roland Road, Lozells, Birmingham. 



Wanted, diatoms and polar, slides ; other slides given in 

 exchange. — A. Downes, 5 Royal Park Road, Clifton, Bristol. 



A large quantity of whole insects in spirits, ready for 

 mounting or sectionizing ; will exchange for electrical, optical 

 or any scientific apparatus. — W. White, 17 York Street,. 

 Nottingham. 



Wanted, clutches of eggs with full data. Offered, other 

 eggs and natural history specimens. — W. K. Mann, Wellington 

 Terrace, Clifton, Bristol. 



Diatom deposit from Nevada or Loch Kinnord, i oz. for 

 two good diatom slides or for other material. — E. A. Hutton, 

 Motham, Manchester. 



Sheep fluke, sheep tick, and louse of calf, unmounted, in 

 exchange for other objects of interest. — Rev. I. Stroud Williams, 

 Livingstone Villa, Iffley Road, Oxford. 



Duplicates of P. glaber, P. dilatatus, and many others, in 

 exchange for Desiderata, Clausilia, Rolphii, or any of the 

 Vertigos. — Sam Clough, 20 and 22 Abingdon Street, Blackpool. 



Wanted, Cariniaria and other nucleobranchs ; good ex- 

 change given. Also wanted, one species localized of the 

 following genera : — Nerita, Oliva, Harpa, and Columbelladi, 

 in exchange for several species of each unlocalized. — Wilfred 

 Mark Webb, 31 Aynha Road, Brook Green, W. 



In return for half-a-dozen micro slides, I will send an assort- 

 ment of animal hair, unmounted — about forty varieties. — Arthur 

 H. Williams, Hythe. 



Wanted, any of the vols, of the Paleontographical Society 

 containing papers on "Eocene Mollusca," either complete or 

 incomplete. — George E. East, jun., 10 Basinghall Street, E.C. 



Wanted, Denny's "List and Nomenclature of British Ano- 

 plura," Fidget's "Anoplura," and other books on parasites; 

 also mounted or unmounted parasites. — Fred. Lee Carter, 

 Gosforth, Newcastle-on-Tyne. 



Wanted, mahogany slide case to hold 48 or 72 microscopic 

 slides ; also double nose-piece, bent form. Will give in ex- 

 change unbound volumes of "Cassell's Saturday Journal," 

 "Cassell's Family Magazine," "Leisure Hour," and "Young 

 England," strong netted hammock, or micro slides. — T. H. 

 Boorman, Tenterden. 



Miscellaneous microscopic slides, well mounted, in ex- 

 change for others. Send lists. — T. H. Boorman, Tenterden. 



Wanted, one or two small healthy roots, Vallisneria- 

 spiralis, in exchange for micro slides. Will send list. — S. R. P., 

 —8 Halkin Street Weit, S.W. 



Offered: — Pupa umbilicata, J'ertigo cdentula, Planorbis 

 eomplanata. Wanted: — Pupa ringens, Clausilia Rolphii, 

 Vertigo pusilla, Vertigo angustior. — Miss Eyre, Swarraton 

 Rectory, Alresford, Hants. 



BOOKS, ETC., RECEIVED. 



"Holiday Letters of a Geologist," by J. SSipman. — "The 

 Story of Creation," by Edward C. Codd. — " The Micro- 

 scope." — "Journal of Conchology." — "Book Chat." — " Scrib- 

 ner's Monthlv-"— "The Amateur Photographer." — " The 

 Garner."— "The Naturalist."— "The Botanical Gazette."— 

 "Journal of the New York Microscopical Society." — " Bel- 

 gravia." — " The Gentleman's Magazine."—" American Monthly 

 Microscopical Journal." — "The Essex Naturalist." — "The 

 Midland Naturalist." — " Feuilles des Jeunes Naturalistes." — 

 "The American Naturalist." — "Journal of Microscopy and 

 Nat. Science." — " Scientific News." — " Wesley Naturalist." — 

 " Naturalists' Monthly."—" La Science Illustree."— " Junior 

 Review, Science, Lit. & Art." 



Communications received up to the 14TH ult. from : 

 W. J. S.— A. J. S.— A. J. H. C— T. S.— J. C.— I. M.— R. D. 

 — G. A.— S. 'B.— W. E. S.— W. H. T.— J. C. P.— B. B. \V — 

 A. B.— H. C. O.— F. D. B.— C. W.— B. T— Miss W.— 

 W. H. H.— E. H.— G. G. R.— T. H. G.— S. A. S— A. H. W. 



F. S.— J. C. H.-U. S.-G. S.-I. S.— E. H.— A. W.— 

 T. W. R.— J. B.— J. F. R.— D. A. M.— M. L. S.— J. S.— 

 J. H.— A. E. F.— W. F., jun.— E. W.— T. W. K.-W. S— 



]. O. B.— J. S— W. M.-M.— W. S. D.— W. D. S.— A. R.— 



G. I. W. N.— W. G.— M. M— R. Mc C— F. M. C— J. E.— 

 J. T. T. R— R. T. P.— R. P.— J. T.— J. D.— Mrs. B.— G. R. 

 Rev. R. C. C— W. J. J.— G. M.— H. A.— W. H. B —J. J. W. 

 — F. F.— C. J. W.— A. H. W.— C. G.— C F.-C. Y.— R. H. R. 

 —J. H.— Rev. J. S. W.— F.— F. L. C.— W. M. W.— T. H. B. 

 -S. S.— A. D.— J. O— W. W.— C. B.— T. W.— S. C— E. A. H. 

 — G. E. E., jun.— C. S.— F. C. K.— C. R— S. R. P.— E. R. F. 

 — E. H. T.— W. L. W. E.-&C. 



