144 



HARDWICKE'S SCIENCE-GOSSIP. 



Student's monocular microscope, by Johnson, optician to 

 University College, with mechanical stage, coarse and fine ad- 

 justments, sub-stage diaphragm, two eye-pieces a and v, i in. 

 and i in. object t lasses, polariscope and selenite stage, con- 

 densor, live cage, stage forceps and tweezers. — M. I., 4 Lower 

 Terrace, Hampstend, N.W. 



Wanted, one of Shadbolt's turntables, or an equally good 

 one ; will exchange a genuine Mulready envelope, stamped, 

 post-marked, mil undeniably an original one. — F. Cresswell 

 Du Bois, 15 West Cromwrll Road, Kensington. 



Fine micro photographs in exchange for good slides, Sic. 

 Microscopic objects photographed. — F. Guardia, HeUton 

 House, Rozel Road, Clapham, S.W. 



Wanted, Science-Gossip from beginning of 1865 to end of 

 1884, either bound or in loose numbers; and also any other 

 microscopical books or journals. State what is wanted in ex- 

 change for them. — Charles Von Eiff, jun., 347Greenwich Street, 

 New York City. 



Wanted, pennies, halfpennies, and farthings of Edward I., 

 Edward II., and Edward III. Flint flakes in exchange. — 

 B Piffard, Hill House, Hemel Hempstead, Herts. 



Wil L send tube of living budding Hydra viridis on receipt 

 of a good mounted object. — Thomas W. Lockwood, Lobley 

 Street, Heckmondwike, Yorkshire. 



Wanted, fresh specimens in fruit of the Musci, Hypnum 

 Atrichimtm Grimtnia, Pottia orthntrichttm, also Marchantia 

 polymorpha and Riccia glauca. Well-mounted micro slides of 

 interest offered in exchange..— R. A. Hawkins, The Cottage, 

 Quarry Road, Hastings. 



Micro slides : will send in exchange for four good mounts 

 the following: — fertile pinnule of hare's-foot fern (Davillia), 

 ditto royal fern (Osmunda), tr. sect., ivy, ditto jessamine, both 

 double-stained. — J. B. Bessell, Fremantle Square, Bristol. 



Wanted, No. 11, vol. iii., of "Natural History Notes," 

 published Nov. 1883, edited by F. J. Rowbotham. Offered in 

 exchange, cretaceous fossils, land and freshwater shells, Lepi- 

 doptera. — A. Beales, 37 Kingsley Road, Maidstone. 



Will exchange Science-Gossip for 1884, the March number 

 missing, for natural history specimens, especially stuffed birds 

 or mammals. — George H. Brocklehurst, B.Sc, Roundhay, 

 Leeds. 



Cypr&a lyna and Cyprcea helvola from Zanzibar, and Nassa 

 reticulata from Scotland ; exchange for other shells not in col- 

 lection. — Mrs. S., 21 London Road, Brentford, Middlesex. 



Offered, Bourne's " Catechism of the Steam Engine " and 

 "Handbook of the Steam Engine," Phillips' "Mineralogy," 

 also " Knowledge," vol. i. unbound. Wanted, books on aquarium, 

 especially Taylors "Aquarium," or works by Gosse, or back 

 volumes of Science-Gossip, &c. — G. A. Simmons, 102 Ladbroke 

 Grove Road, London, W. 



Wanted, skins and eggs of British birds in exchange for 

 land and freshwater shells. Duplicates : P. vivipara, B. 

 Leachii, P. hypuorum, L. lizvis, T. haliotidea, Z. nitidus, 

 Z.glaber, P. pusillum, &c. Desiderata: i". ovale, U. inarga- 

 ritifer, Z. purus, H. fusca, B. perversa, &c. — F. G. Fenn, 

 20 Woodstock Road, Bedford Park, W. 



Wanted, local varieties of British shells ; also mounted mol- 

 luscan palates, and back numbers of scientific journals, especially 

 the " Journal of Conchology." Shells in exchange, including 

 Paludina contecta, P. vivipara, Zonites glaber, and Helix 

 la?iiellita.—S. C. Cockerell, 51 Woodstock Road, Bedford 

 Park, Chiswick, W. 



Wanted, books by Hogg, Clarke, Martin, and others on 

 the microscope ; also Clark's " Seaweeds," and vol. vi. of the 

 "Boys' Own Paper ;" good exchange given in micro slides. — 

 W. S. Anderson, 7 Granby Street, Ilkeston. 



Wanted, Science-Gossip for 1879 and 1883, also any 

 volumes earlier than 1876. Will give good micro slides in 

 exchange. — Samuel M. Malcolmson, M.D., 55 Great Victoria 

 Street, Belfast. 



Offered, Gosse's "British Sea Anemones," Lyell's " Anti- 

 quity of Man," Pratt's "Wild Flowers" (large 4to.), "Testi- 

 mony of the Rocks," and other good books. Wanted, French 

 works on marine alga;. — T. H. Buflham, Connaught Road, 

 Walthamstow. 



What offers in exchange for some large fossil fern slabs from 

 coal pit, Heath, near Bristol? Tropical recent land shells pre- 

 ferred. — Miss F. M. Hele, Fairlight, Elmgrove Road, Cotham, 

 Bristol. 



A 4-inch reflecting telescope in exchange for good micro- 

 scopic objective or offers of scientific apparatus. — E. B. Fen- 

 nessy, Pallas Green, Limerick. 



Living specimens of Hydra viridis, now budding in tube, in 

 exchange for mounting material, insects preserved in spirit 

 wanted, such as : — Saw flies, horse flies, wood ant, fairy fly, or 

 parasites of animals, or fish, &c, or else large spines of foreign 

 Sea Urchin, for making s ec tions. — W. H. Pratt, 15 Gill 

 Street, Nottingham. 



Wanted, British and foreign land and fresh-water shells, 

 particularly some Tcstacella mavgei in exchange for ?% yards 

 of very fine aviary wire-netting, a yard wide and £ inch mesh, 

 unused; also some of first numbers of "Knowledge" and 

 " Amateur Work," Pirates of Penzance vocal score, and various 

 other books, &c— Wilfred Mark Webb, 31 Aynhoe Road, 

 West Kensington Park, W. 



Sponge spicules : will send a well-mounted slide of spicules 

 of the Cliona sponge (parasite on oyster shell), in exchange for 

 any good slide, botanical or biological.— G. Swainsun, no Park 

 Road, Bolton. 



Wanted, a T '. T or -?- immersion objective. W J ill give in part 

 exchange Cassell's "Popular" and "Technical Educator," 

 quite new, well-bound in scarlet calf, or handsome musical box 

 (ten tunes). — G. S., no Park Road, Bolton. 



Good shells, fossils, and works on osteology, &c, offered in 

 exchange for odd parts of Lovell Reeve's " Conchologia 

 Iconica" and of the Palseontological Society." — Miss Linter, 

 Arragon Close, Twickenham. 



Botanical cabinet, 36 in. high, 18 in. wide, with a few 

 specimens, for turntable and slides. — C. H. Goodman, 9 Dorl- 

 cote Road, Wandsworth Common. 



Wanted, good book on mechanics. Offered, Science- 

 Gossip, 1880, eighteen numbers of "Youth," forty numbers of 

 "Boys' Newspaper," three numbers of "European Ferns." — 

 Archibald W. Fry, Bridge House, Arundel. 



Micro slides for exchange. Wanted, books (science) or other 

 slides. Lists free on application. — A. P. Wire, Seaton Villas, 

 Birkbeck Road, Leytonstone. 



A few slides of Antheridia and Pistillid : a of mosses and 

 hepatics, also ripe capsules of same, for other good mounts. 

 Lists to — W. E. Green, 32 Belvoir Road, Bristol. 



Fresh gathered crowfoot clustercups {Qlcidium raiiuncu- 

 laceariim*) and dock clustercups (CEcidium rubellum), in ex- 

 change for nettle fungus ((Ecidium Urtictr). — T. S. Morten, 

 3 Rosslyn Trrraace, Hatnpstead, London, N.W. 



Wanted Geikie's lectures at South Kensington on Geology, 

 Dand's Geology, Mineralogy, or books on coins, for " Boy's 

 Own Papers." —John Millar, Clarence House, Inverkeithing, 

 Fifeshire. 



Offered for exchange one hundred eggs with data of chough, 

 sparrow-hawk, dipper, stonechat, grey wagtail, goldfinch, 

 hooded crow, swift, ringed plover, redshank, heron, mute swan, 

 puffin, guillemot, razor-bill, cormorant, gannet, herring-gull, 

 kittiwake, storm-petrel and many others. Send list of duplicates 

 and of desiderata. — Richard J. Ursher, Cappagh, Lismore, 

 Ireland. 



Wanted, fossil sharks' teeth from any formation, not more 

 than three of any species, must be named and localised, in 

 exchange for fossils from chalk, gault limestone, oolites, London 

 clay, &c. — George E. East, jun., 10 Basinghall Street, London.J 



Offered, pair of tumbler pigeons in exchange for three or 

 four well-mounted micro slides. — R. H. T., 28 Albert Road, 

 Devonport. 



BOOKS, ETC., RECEIVED. 

 " The Microscope in Botany," Dr. J. W. Behrens (transl.) 

 (Boston: S. E. Cassino & Co .) — "Celestial Motions, a handy 

 book of astronomy," W. T. Lvnn, B.A. (Stanford). — " Birds I 

 have kept," W. T. Greene, M.A. (L. Upcott Gill) — " Proto- 

 plasmic Continuity in the Fucacese," Thomas Hick, B.A., B.Sc. 

 "Contributions to the Fossil Flora of Halifax," Thomas Hick 

 and William Cash. — "A Correlation Theory of Colour Percep- 

 tion," Charles A. Oliver, M.D.— " Geology of the Comstock 

 Lode," and Atlas (U. S. Geol. Survey). — " U. S. Geol. Survey, 

 3rd Report," 1881-2. — "Annual Reports of the Public Gardens 

 and Plantations," Jamaica. — " Proceedings of the Academy of 

 Natural Sciences of Philadelphia." — "The Lias Marlstone of 

 Leicestershire as a source of Iron," by E. Wilson, F.G.S. — 

 "Special Creation and Evolution," C. C. W. Naden. — "The 

 Gold-fields of Victoria, Reports of the Mining Registrars." — 

 " Report of the Kelvingrove Museum, &c," Glasgow, for 1884. 

 "American Naturalist." — "Science." — "American Monthly 

 Microscopical Journal." — "The Naturalist." — " Ben Brierlcy's 

 Journal." — "The Journal of Conchology." — " Feuille des 

 Jeunes Naturalistes." — "Popular Science News." — "Canadian 

 Science Monthly."— " The Medico-Le?al Journal," New York. 

 "Illustrated Science Monthly." — "Papers and Proceedings of 

 the Royal Society of Tasmania," 1884. — "East of Scotland 

 Union of Naturalists' Societies Reports," 1884. 



Communications received from :— W. G. — C. C— H. T. 

 —P. S.— J. M.— H. C— A. B.— H. W.-J. C. S.— G. H. B.— 

 M. S. — W. H. P. — G. A. S. — F. W. L. — F. G. F. — 

 C. F. W. F. W.— A. V.— S. C C.— W. S. A.— S. M. M.— 

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



A. D. W.-J. E. L.— C. D.-S. J- H.-G. E. E.-F. R. C— 

 C. H. G.— A. W. F.— W. E. C— J. B. W.— J. W.— A. P. W. 

 — M. E. T.— W. E. G.— T. S. M.-W. O. — W. G. W.— 

 M. J. H.— E.-C. N.-C. P. P.-J- G.-W. D. S.-J— G R. 

 — D. W. B. jun.-F. W. E.-G. B.— W. H. P.-W. G— 

 W. S. A.— T. W. L.-C. W.— D. B.— B. T. & C— .4. A.— 

 T. F.-C S.— A. C— G. F. H— R. C.-K. A. N.— L.— E. D. 

 — T. S.-A. B.-V. A. L.-T. W. D.-J. C. P.-F. R. C— 

 M. E. T.-A. E. T.— C. J. B.-W. W.-C. v. F. jr.— F. J.- 



B. P.— C. C— A. S. M.— A. H. S.— T. ¥.— F. C. D. B.— 

 H. W.— T. W. W.— H.— G. R.— C. F. W. F. W.— G. H. B.— 



C. R.-H. W. K.-S. C. C.-J. F.— C. F. F.-R. L. H — 

 E. S. P.— R. J. U.— K. H. T.— A. K.— C. P.— W. M. W.— 

 &c, &c. 



