24 



SCIENCE-GOSSIP. 



Edusa, sernele, alexis, ligustri, ocellatus, pilosaria, ulmata, 

 lonicera, menstria, vinula, chi, didymata, mensuraria. 

 Desiderata, sea-birds' eggs, or butterflies and common 

 noctuas. — A. Broadley, 2, May Street, Keighley. 



South African Marine alga;. Well-mounted named speci- 

 mens in exchange for named well-prepared marine algas 

 from other parts. Lists exchanged. — H. Becker, M.D., 

 Grahamstown, S. Africa. 



Offered, H. obvoluta, H. revelata, L. glutinosa,. L. Bur- 

 netti. Wanted, several Albida varieties ; also good varieties 

 of the Anodonta and Unio species ; also L. pereger varieties. 

 — W. Sutton, Blezards Hotel, Ingleton, Yorkshire. 



Duplicates, populi, bembiciformis, chserophyllata, fulva, 

 graminis, iota and hectus. — E. C. Eggleton, 6, Tillie Street, 

 Glasgow. 



Offered, auriferous quartz, crocoisite, galena, magnetite, 

 and other mineral and rock specimens from Manica ; also 

 Mashonaland postage stamps. Wanted, specimens of 

 metals and metallic ores other than the above. — E. Carrick, 

 Umtali, Manica, Mashonaland. 



Micro, slides and apparatus wanted, good exchange ; 40 

 varieties of animal hairs sent in return for 6 slides. — Arthur 

 H. Williams, 8, Mount Street, Hythe, Kent. 



Minerals, including many finely crystallized, in exchange 

 for foreign stamps ; " Dana's System of Mineralogy," 188S, 

 equal to new, what offers. — A. E. Fasnacht, 296, Ashton New 

 Road, Clayton, Manchester. 



Wanted, Melicerta iingens and Stephanoceros, exchange 

 or cash. — S. Hincks, Farnham, Surrey. 



Lantern or microscopical slides of fleas desired by me, in 

 return for good slides of vegetable or animal subjects. — 

 Apply, Rev. J. E. Vize, Forden Vicarage, Welshpool. 



Ross' Students' Microscope (latest pattern), polariscope, 

 spot lens, paraboloid — one-inch and one-eighth ; swinging 

 tail-piece and sub-stage, nearly new. — Offers requested by Dr. 

 Taylor, 2, Ampton Street, London, W.C. 



Science-Gossip, 1S86 (unbound) ; also geological speci- 

 mens from several formations ; offered in exchange for 

 micro-slides, physiological, pathological, or internal 

 parasites. — G. H. Corbett, 13, Church Road, Nechells, 

 Birmingham. 



Collection of good foreign stamps, etc., about 2,500, many 

 rare. Wanted, good microscope or cash. — A. AUetsee, 40, 

 Milward Crescent, Hastings. 



Duplicates. A. anatina, P. vivipara, C. elegans, P. fonti- 

 nalis and others. Desiderata, other species and varieties. — 

 C. Coles, 61, Barrington Road, Brixton, S.W. 



Wanted, to complete collection of poisonous plants, speci- 

 mens of Darnel grass (Lolium temulentum). — Offers to W. 

 Cordwell, 5, Wilderness Terrace, Harleston, Norfolk. 



Science-Gossip, Nos. 57 to 205 (169 missing, 213 extra), for 

 sale or exchange. Fossils wanted, or geological slides. — J .-J. 

 Cook, Edina House, Stoneygate, Leicester. 



Wanted, " Geology of the Counties of England and 

 Wales," by Harrison ; " Permian and Trias of Midland 

 Counties," by Hull ; also copies of any papers on the geology 

 of Warwickshire, or which' concern the geology of that 

 county ; cheap. — Miss K. Johnson, 29, Cherry Street, 

 Coventry. 



Offered, British marine, land and freshwater shells ; also 

 insects for specimens of Lepidoptera, and shells, or works on 

 same. — W. D. Rae, 58, Parnell Road, Bow, London, E. 



Isocardia cor (British), Fusus antiquus, and vars., Pinna 

 rudis, Cyprina, F. gracilis, F. islandicus, etc., in exchange for 

 other good shells.— F. W. Wotton, Mount Stuart, Rothesay. 



Offered, " Huxley and Martin's Biology," " Marshall and 

 Hurst's Zoology," " Flowers' Osteology," " Foster and Bal- 

 four's Embryology " also books on botany, gardening, 

 education, etc. — Roberts, 22, Carlingford " Road, South 

 Tottenham. 



Offered, clutches of chough, peregrine, S. hawk, kestrel, 

 dipper, stonechat, goldcrest, rock pipit, grey wagtail, gold- 

 finch, twite, grasshopper warbler, hoodud crow, nightjar, 

 C. sandpiper, woodcock (2 eggs), landrail, merganser, little 

 grebe, northern diver, gannet, cormorant, shag, razor-bill, 

 ringed guillemot, puffin, C. tern, sooty tern, noddy, swift 

 tern, herring gull, Manx shearwater, fine series of storm 

 petrel ; nests with many. Wanted, good clutches not in my 

 collection. — R J. Ussher, Cappagh, Lismore, Ireland. 



Offered, Science-Gossip, 1889 parts, " Kirke's Physi- 

 ology," Humboldt's " Cosmos," Gosse's " Creation." Wanted, 

 Cooke's " British Fungi " (plain and easy account of), or 

 offers. Barker, 24, Avenue Villas, Cricklewood. 



I will execute drawings (in pencil or water-colour) of the 

 Diatomaceas, Desmidieas, Confervoideae, etc., of any species 

 required, in exchange for correct nomenclature of species of 

 same sent. — H. E. Griset, 80, Park Road, Haverstock 

 Hill, N.W. 



Valvata cristata, Vertigo moulinsiana and Limnasa peregra 

 var. burnetti, for Succinea oblonga, Vertigo angustior, 

 Limnsa obvoluta, or offers. — Mrs. Carphin, 1, Lauriston 

 Park, Edinburgh. 



Wanted, papers, etc., on the Entomostraca and other 

 forms of pond life ; also odd numbers of the " Quarterly 

 Journal of Microscopical Science." — J. V. Hodgson, 52, 

 Francis Road, Edgbaston. 



Offered, a small collection of Birds' eggs, also books of 

 various kinds, in exchange for named mosses, or will 

 exchange mosses.— Send lists to Peter Yates, Ellesmere 

 Street, Astley, near Manchester. 



Fossil, Mollusca-Eocene of Paris Basin and Miocene ot 

 Bordeaux, offered in exchange for recent foreign or rare 

 British Mollusca, named and localised. — Lists to H. W. 

 Burrows, 94, Elm Park, Brixton Hill, S.W. 



Will exchange spread diatom slides for polariscope and 

 other objects.— H. Piatt, Eastrop, Basingstoke. 



Bulimus montanus, Helix aspersa v. exalbida and Helix 

 arbustorum v. flavescens for Helix pomatia var. albida. — C. D. 

 Heginbothom, 3, Estcourt Street, Devizes. 



British eggs of great plover, kittiwake, cormorant, guille- 

 mot, razor-bills, lesser b. b. gull, red-legged partridge, 

 partridge, ring-dove, magpie, moorhen, sand-martin ; desider- 

 ata — chough and many others, clutches preferred. — E. G. 

 Potter, 19, Price Street, York. 



Wanted, well-mounted microscopical slides of animal 

 parasites, or palates of Mollusca, in exchange for the first r2 

 parts of W. F. Kirby's " European Butterflies and Moths," 

 with coloured plates. — John Radcliffe, in, Oxford Street, 

 Ashton-under-Lyne. 



Fossils and recent shells (British and foreign, 500 species), 

 in exchange lor recent or fossil Mollusca. Foreign cor- 

 respondence specially desired. — Rev. John Hawell, Ingleby- 

 Greenhow Vicarage, Middlesbrough. 



"Knowledge," first issue, November, 1S81, to July, 18S2; 

 November and December, 1887; January to October, 1888: 

 November, 1889 ; January, March, and August to December, 

 1890; all 1S91 and 1892. Science-Gossip, April to December, 

 1890 ; and bound 1877 and 1878. Offers. — J. Schofield, Engine 

 Bridge, Huddersfield. 



Offers wanted for Science-Gossip, Nos. i to 344, com- 

 plete and in excellent condition, unbound. — A. Poynder, 8, 

 Eliot Place, Blackheath. 



Offered, side-blown eggs of Bulimus oblongus and exotic 

 land and freshwater shells in exchange for foreign Helices. — 

 Send lists to G. K. Gude, 5, Giesbach Road, Upper Holloway, 

 London. 



Rhopalocera, Orthoptera and Neuroptera from Sierra 

 Leone, Coleoptera from Trinidad, to exchange for foreign 

 Lepidoptera and Coleoptera. — W. G. Clements, Frindsbury, 

 Rochester. 



Small collections of West Indian and British Guiana 

 shells (land, freshwater and marine) offered in exchange for 

 other shells, or British birds' eggs. Lists exchanged. — J. 

 Burman Rosevear, 5, Pomona Place, Poole Park, Fulham, 

 S.W. 



British land, freshwater and marine shells, also some 

 foreign, in exchange tor shells not in collection, or offers. 

 Lists sent. — Mrs. Oldroyd, 82, Abbey Street, Faversham, 

 Kent. 



Bulimus oblongus and eggs; Cyclotustranslucidus, Helix 

 sinistrorsa, Cylindrella trinitaria, and other foreign land 

 shells. Wanted, rare foreign land shells or rare stamps. — 

 William Moss, 13, Milton Place, Ashton-under-Lyne. 



Wanted, back numbers or vols, ot the "Journal of 

 Botany," in exchange for "The Naturalist" in numbers, 

 or other things. — Rev. C. H. Waddell, Saintfield Vicarage, 

 co. Down. 



PROFESSIONAL EXCHANGE DEPARTMENT. 



Only announcements from bond-fide dealers in scientific 

 objects, instruments, or books will appear in this department, 

 the charge being 2s. 6d. for the first 30 words, and gd. for 

 each additional 10 or less number of words. 



Wanted, a few good Lichens and leaf galls, suitable or 

 microscopic preparations ; must be correctly named. 

 Vegetable preparations offered in exchange. — W. White, 

 Litcham, Swaflham. 



A large number ot correctly named British Aculeate 

 Hymenoptera and Diptera for exchange. Desiderata, local 

 British insects of any order ; must be well set, otherwise use- 

 less. Lists exchanged. — W. H. Harwood, Colchester. 



Stamps. Sheets on approval. — Richard B. Corbishley, 

 Breck Road, Poulton-le-Fylde, Lancashire. 



Duplicates of British Diptera and Hymenoptera, pinned 

 and identified, in exchange for others not in collection. 

 Typical, well-mounted micro, slides of selected Diatoms, 

 rock sections, horn, hoof, etc., sections, for works on British 

 entomology, or offers.— C. J. Watkins, King's Mill House, 

 Painswick, Gloucestershire. 



