240 



HARD WICKE 'S SCIENCE- G OS SIP. 



C. F. W. (Forest Hill). — No. 5, quite correct, 6 is the Sedum 

 avgUciim ; 7 is rightly named; 8, Folytrichum coimiiune ; 

 9, Stachys syhiatica. 



R. R. — (Chadstone). — No. i, Iceland Moss, 2 and 3, Pannelia 

 sa vatilis, 4, a species of Cladonia, but they are not in fruit, so 

 are difficult to name with accuracy. 



X. V. Z. — No. 2, an exotic composite, name held over; 

 3, H ieracititn vturorutit ; 5, Viola. Curtisii, Fors. ; the latter 

 an excellent find ; No. i is not a Campanula, see next month. 



J. F. (Piillingshurst). — We have examined the P'edia you en- 

 closed, but fail to observe any malformation or suppression of 

 parts ; being dried of course makes the difference. 



W. W. F. — Accept our thanks for double wild flowers of 

 Potentilla reptans. We have not see it double-flowered before. 



T. S. King. — The object on frond of Larainaria is a young 

 specimen oi Helcio>t {^Patella) pelluciduni. 



K. D. — The flower sent is a species of Calendula, not British, 

 probably imported with grass or other seed. 



EXCHANGES. 



Wanted, well-mounted micro-slides for unmounted opaque 

 injections, with instructions for mounting same. — M. D., 

 2 Wesibury Gardens, Clapham Park, S.W. 



Enthusiast would be pleased to exchange upper silurian 

 and coal measure fossils for other specimens. — io5 Finch Road, 

 Handsworth, Birmingham. 



Wanted, a complete set of each of the following varieties of 

 eggs, side-blown, with full data : hobby, merlin, stonechat, 

 goldcrest, twite, raven, spoonbill, dunlin, ruS. Other good 

 eggs offered in exchange. — W. Wells Bladen, Stone, Slafford- 

 shire. 



A QtJANTiTY of chemicals, S:c., for microscopic mounting. 

 What offers ? — J. Liddy, 14 Wornington Gardens, Nottmg 

 Hill, W. 



AccuiMUi.ATiON of micro-material, e';pecially fungi, for 

 mounted objects, clean diatoms, dried plants, or insects. — 

 G. H. Bryan, Thornlea, Cambridge. 



Wanted, impressions (in any substance) of good seals or 

 medals. — W. H. Tunley, Albert Road, Southsea. 



Offered, 7th ed., L.C., Nos. 368, 490, 627, 6301!', 631, 1212, 

 for 23, i%by 48^, $ob, loi, 1016, and many others. Lists e.x- 

 changed. — C. A. O., 76 Trafalgar Road, Caraberwell, S.E. 



Shells for exchange : — Chemnitzia elcgantissiina, Ca}-dium 

 No?~'fgicu}n, Anodonta nnntina, Pisidiujn pitsilhcm, Neritina, 

 Pla7torbis conioriits, Pliysa. hypnoriiiit, &c. ; Helix pomatia, 

 I!. Inpicida, H. virgata, &c. — S. C. Cockerall, Glen Druid, 

 Chislehurst, Kent. 



Adams' "Butterflies," Newman's "Butterflies" and 

 " Butterflies and Rloths." What offers of Machaon, Podalirius, 

 Apollo, Iris, Hippothoe or Liispar, and Antiopa? — W. H. 

 Scott, Eastwood Villas, Humber>tone Road, Leicester. 



Wanted, Gray's " British Land and Freshwater Mollusca," 

 Shuckard's "British Coleoptera." Ofiered, Watson's "Com- 

 pendium to Cyb. Brit."— W. H. G., 44 Hillmarten Road, 

 llolloway, N. 



Mountain or rock gatherings of Desmidise desired (British 

 or extra European), in exchange for others, mounted or un- 

 mounted. — W. Joshua, F.L.S., Cirencester. 



Wanted, vol. i of "Natural History Notes."— John A. 

 OUard, F.R.M.S., Forty Hill, Enfield. 



WuLL-mounted slides, cabinet to hold 500 in 19 drawers, 

 micro works, &c., to exchange for; books, &c. — F. S. Lyddon, 

 2 Oakland Villas, Redlane, Bristol. 



To exchange, Science-Gossip, vols, iii., iv., v., vi. and vii., 

 vols. iii. to vi. bound; from 1879 to date unbound; "The 

 Popular Educator," latest edition, now being published, 22 

 parts. Wanted, books on physics, mathematics, electrical 

 engineering, scientific apparatus, or anything useful. — H.Wager, 

 Middle Street, Stroud, Gloucestershire. 



Wanted, British maiine shells in exchange for others. 

 Helix pixana and //. pisana v. alba offered lur other land 

 shells. — G. O. Howell, 4 Paget Terrace, Lower Eglington 

 Road, Plumstead, S.E. 



Mounted or unmounted microscopic objects for good 

 gatherings of Campylodisciis castatus, Meridon circulare, 

 Achnanthes longi/>es, &c. Liberal exchange given. — W. White 

 7 Warden Place, York Street, Nottingham. 



E. Wade Wilton, Microscopist and Naturalist, Northfield 

 Villas, Leeds, requires occasional collectors at Dublin, Ilfra- 

 combe, Scarborough, Ashton-under-Lyne, in England, at 

 Christiania in Norway, and Berne in Switzerland, for living 

 specimens, the last two for polyzoa and diatoms. 



Wanted, " Popular History of British Lichens," by W. 

 Lauder Lindsay, I\M).— Arthur J. Doherty, 21 Barton Street, 

 Moss Side, Manchester. 



Duplicates: Gamina, Graminis, Valligera. Desideratar 

 Adippe, Cinxia, Athalia, Antiopa (Continental), .(Esciili, Seriex, 

 Eriseola, Russula, I'orata, Osseata, Unguicula, L. albu?n, 

 Typhae, Fulva, Popiilaris, Puta, Gracilis, Parthenias, Maura, 

 Trapogonis, Lithoriga, Serena, Litura, Upsilon, iMinutata, 

 Assimilata, Luteata, &c. — J. Smith, Kilwinning, Ayrshire. 



Marine alga;, fine specimens sent on receipt of stamped 

 addressed envelope. — A. J. Doherty, 21 Barton Street, Moss 

 Side, Manchester. 



Thirty old prints (1824) of Scotch towns and places of im- 

 portance for exchange. Wanted microscopical apparatus or 

 books. What offers? — W. E. Watkins, 32 Huntingdon Street, 

 Barnsbury, N. 



Ure's "Dictionary of Arts and Manufactures," nineteen 

 volumes of Gmelin's " Chemistry," translated by the Cavendish 

 Society, Darwin's " Origin of Species," in very good preserva- 

 tion. Offers in electrical apparatus or telephone. — Charles J. 

 Heaton, care of Dr. Doe, Pinner, Watford. 



Uraniii R/ti/>heus (Madagascar), the most .splendid lepidop- 

 teron known, blazing metallic green, orange, red, and violet, 

 just received from the Bishop of Madagascar, condition superb. 

 Exchange for other exotic lepidoptera ; wings of ditto for the 

 microscope. — J. C. Hudson, Railway Terminus, Cross Lane, 

 near Manchester. 



Wanted, the "Exchange and Mart," "Graphic," "Illus- 

 trated London News," " Pictorial World," and " Punch," posted 

 early, in e\xhange for scientific publications. — J. C. Hudson, 

 Railway Terminus, Cross Lane, near Manchester. 



Wanted to exchange, foreign shells. List of duplicates and 

 desiderata on application. — J. Morgan, i Mulgrave Road, 

 Sutton, Surrey. 



Wanted, a botanical correspondent in North or South 

 America for the exchange of plants. — J. A. Wheldon, 9 South 

 Street, Scarborough, England. 



Wanted, birds' eggs, butterflies, beetles, and insects, 

 generally from abroad, either for exchange. — W. K. Mann, 

 Wellington Terrace, Clifton, Bristol 



For exchange, "A Million of Facts," by Sir R. Phillips; 

 correct data and elementary information in the entire circle of 

 the sciences, and the following shells : Helix cantia7ia, Trochus 

 tiiinidiis, Helix cricetariiun, Natica alderi, Trociius cinerariiis, 

 renns/asciata, Biiliiims acuiiis, Tapes Virgineits, Cyclosioma 

 elegaiis, Cldtoji tna7ginatus, V eticwpis Irus, Venrts ovata, 

 Zotiiies cellarius, in exchange for Sir John Lubbock's " British 

 Wild Flowers in relation to Insects," other works or microscopic 

 slides. — Joseph Anderson, jun., Chichester, Sussex. 



Wanted, fossils, minerals, and rocks ; can offer good exchange 

 in insects. — 92 Cranbourne Street, Leicester. 



FiKST-CLASS micro-slides and objects sent in exchange for 

 literary works, Shakespeare's (Clarendon "series), Thackeray's, 

 Lord Lytton's, Dickens's, and Walter Scott's especially 

 wanted. — J. Tempere, Storrington, Sussex. 



BOOKS, ETC., RECEIVED. 



" Remote Antiquity of Man not Proven." By B. C. Y. 

 London : Elliot Stock. 



" Studies in Microscopical Science." Edited by A. C. Cole. 

 Nos. 15, 16, 17, 18, 19. 



" Land and Water." 



"Midland Naturalist."_ 



" Northern Microscopist." 



"Ben Brierlev's Journal." 



" American Naturalist." 



" Canadian, Entomologist." 



" Cosmos : les Mondes." 



"La Feuille des Jeunes Naturalistes." 



" Le Monde de la Science." 



" La Science pour Tous." 



" Revista." 



&c. &c. &c. 



Communications rf.ceived up to i2Th ult. prom: — 

 P. S. D.— C. F. W. S. W.— T. L.— W. A. G.— W. H. H.— 

 A. S.-A. E. P.-H. C— G. C— M. G.-E. A. G. D.— 

 Dr. J. N.-F. R.-K. A. D.-J. S.— A. H. S.— E. W. M.— 

 F. S. M.-A. H. S.-J. L.— G. H. B.— J. F. R.-E. M.-J.S. 



— C. F. G.— W. H. S.— R. H.-S. G. F. M. L.— W. W. D.— 

 W. J. V. v.— E. G. H.— S. Y.-R. M. O.— W. H. G.— W. S.— 

 W. H. T.— S. C. C.-J. T.— H. H. P.— E. T. D.-H. C— 

 E. M.— C. F. W.— H. J. B.-G. R.-C. E. J. Y.-W. W.— 

 J. E. S.-J. S.-J. A. O.-H. W. L.-G. O. H.-J. S.-F. S. L. 



— H. W. P.— E. J. W.— E. W. W.— W. J.— J. B., jun.— 

 N. W. B.— W. W. F.— W. T. L.— C. F. G.— T. S. K.— J. M. 

 — W. E. W.-A. J. D.-A. R. G.— J. C. H.-J. T. M.— 

 C. J. H.— H. G. F.-C. S.— K. D.-W. K. M.— J. A.— J. A. W. 

 —A. H. F.-J. A. 0.-&C. 



