2l6 



HA RD WICKE' S SCIENCE- G OSSIP. 



"white lily growing out of a foxglove " the lady spoke of, was 

 undoubtedly a malformed white foxglove. 



J. Anderson, jun. — The rosette-like leaves of willow are 

 caused by suppression of the internodal spaces, probably due 

 to the attacks of aphides or other insects. 



Dr. A. M. (Market Draytonl. — The growth on leaf of birch 

 is said to be due either to aphides or gall insects. 



Alfred Sich and Geo. Maclachan. — Many thanks for 

 your interesting teratological specimens. 



"Pebble Ridge." — See a paper in the "Gardener's 

 Chronicle " three or four weeks ago on the peculiarity of the 

 laburnum you mention and its cause. 



W. Branford. — By some means the insects referred to in 

 your letter did not reach us. Can you send us more for 

 identification? 



A. S. Bertolet (Cummings, Illinois).— Apply to Messrs. 

 Wesley & Son, Essex Street, Strand, London, or to W. P. 

 Collins, 157 Great Portland Street, London, W., for first or 

 secondhand copy of Kerner's " Flowers and their Unbidden 

 Guests." Perhaps some of our subscribers would exchange 

 copy with you. 



M. L. M. — From your description the object was a species of 

 freshwater algae, possibly a desmid or volvox. Get Dr. M. C. 

 Cooke's recently published "Freshwater Algae," price 5s., 

 published by Kegan Paul; or the it. copy of "Young Col- 

 lector's Series " on " Freshwater Alga." 



EXCHANGES. 



A great number of fossils from red crag, Paris basin, and 

 other formations (mostly named and labelled), in exchange for 

 works on North American geology.or cash. — P. Tracy, 9 Lower 

 Brook Street, Ipswich. 



One hundred British land shells, fresh collected, various 

 kinds, offered in exchange for good specimens of birds' ezgs — 

 greater blackback, gull, red grouse, golden plover, one of each. 

 — H. Blaby, Brackley, Northants. 



Wanted, Science-Gossip for 1877, and "Midland Natu- 

 ralist" for 1888 and 1889, bound or unbound; will give good 

 microscopic slides in exchange. — J. Collins, 147 Muntz Street, 

 Birmingham. 



Several specimens of Eurylepsis minimus, Newb., small 

 entire fishes from coal measures, Ohio, offered for other good 

 fossils. — T. Stock, 16 Glen Park, Eastville, Bristol. 



Will exchange British and Continental land and freshwater 

 shells, also marine shells and British butterflies, for mosses, 

 lichens, hepaticae, and other shells not in collection. For lists 

 apply to — H. B. Preston, jun., 54 Lexham Gardens, Kensing- 

 ton, W. 



Wanted, Lee's " Microtomist's Vade Mecum," in good 

 condition. Will give " Evenings at the Microscope," by 

 Gosse ; White's " Elementary Microscopic Manipulation," and 

 micro-slides illustrating pond life. — A. Montague, Penton, 

 Crediton. 



Good exchange given for fine living specimens of the com- 

 mon garden spider (Epeira diadema). — John Rhodes, Black- 

 burn Road, Accrington. 



Offered, " Avifauna of British India," by James A. 

 Murray, complete in seven parts (unbound), with numerous 

 coloured plates and woodcuts. The above is a new work, 

 completed only this year, and the copy is in good condition. 

 Wanted, recent zoological (especially entomological), micro- 

 scopical or botanical works, or other offers. — E. E. Green, 

 Mote Hall, Bearsted, Maidstone. 



Wanted, animal and vegetable hairs, also feathers, in 

 exchange for micro seeds or young cactus plants. — J. T. 

 Holder, 18 Casella Road, Hatcham, S.E. 



Vertigo pusilla, &c, offered for Succinea oblonga, or foreign 

 land and freshwater shells (African or Asiatic preferred). — 

 W. Hy. Heathcote, M.C.S., Preston, Lanes. 



Offered, P. roseum, P. fontinale, V. cineria, S. elegans, 

 var. ocfachea, L. palustris, M. decollatum, S. corneum, var. 

 nucleus, H . aspersa, var. flammea, B. acutus and V. strigata 

 (Cheshire). Wanted, the rarer British land and freshwater 

 shells, and many varieties. Foreign correspondence wanted. — 

 P. R. Shaw, 48 Bidston Road, Oxton, Birkenhead. 



Wanted, other rare and perfect shells in return for the 

 following: — Scalaria clat/iratula, Eulima polita, E. distorta, 

 E. bilineata, Pleurobranchus membranacea, Mytilus edulis, 

 var. pallida, Ianthina Brittanica, Hydrobia similis, H. ven- 

 trosa, Cerithium pervcrsum, Cerithiopsis tubercularis, Odos. 

 tomia rissoides, O. nivosa, O- interstincta, Pandora inecgui- 

 valvis, Fholas dactylus, P. parva, P. Candida, Cyclostrema 

 cutlerianum, Barleeia rubra, Lasts rubra, Rissoa Julgida, 

 R. parva, R. senustriata, R. punctura, Trochus magus, &c. 

 — What offers in British shells or mounted rock sections? — 

 A. J. R. Sclater, M.C.S., 23 Bank Street, Teignmouth, South 

 Devon. 



Rare Biitish marine shells, land and freshwater shells, 

 polished thin sections of corals and spongy forms, polished 

 geological cabinet specimens, fossils. Wanted, a secondhand 

 watch to give to a lad. Will any one oblige me with one in 

 exchange for any of the above? — Thomas E. Sclater, Bank 

 Street, Teignmouth. 



Barton, Headon, and other fossils offered in exchange for 

 any not in collection.— Thomas Reader, 171 Hemingford Road, 

 London, N. 



Wanted, any or all of the following:— Science-Gossip, 

 Nos. 52, 59, 60, 68-70, and 89. Offered, a complete volume of 

 the "Midland Naturalist," other numbers of Science-Gossip, 

 or micro-slides. Also wanted, Le Mavut and Decaisne's 

 "General System of Botany."— F. C. King, 35 Addison Road, 

 Preston, Lanes. 



Wanted, foreign shells and butterflies, in exchange for 

 choice microscopic slides, anatomical, diatoms, parasites, 

 double-stained botanical, &c— R. Suter, 5 Highweek Road, 

 Tottenham, London. 



Mosses.— Wanted (London Catalogue), Nos. 460, 465, 470, 

 4?2, 473.484. 4 § 8, 49i» 498, 499. 5°7, 508, 510, 511, 51S, 527, 

 53°. 533- Offered, 492, 502, 503, 505, 520-24, 528, 531, 532, 

 539. 54°. 542. 545. 547. 55^. and several others.— W. P. Hamil- 

 ton, Shrewsbury. 



Bulimus oblongus, four inches long, B. pulchellus (from 

 Brazil), living animals. What offers?— G. K. Gude, 5 Giesback 

 Road, Upper Holloway, N. 



Named and localized Barton clay and Headon Hill fossils, 

 also deposit from both places containing thousands of small 

 shells, bryozoa, &c. Wanted li-inch objective, perfect tere- 

 bratulae from other formations, also small induction coil, electric 

 bells, or any electrical material or books.— E. H. V. D., San 

 Remo, Darracott Road, Boscombe Park, Bournemonth. 



Offered, a splendid table stereoscope, good 4s new, to hold 

 100 views or 50 transparencies, with two sets of lenses. 

 Wanted, a half-plate roller-slide (Eastman's), latest pattern. — 

 A. H. Burnand, High Street, Poole, Dorset. 



Wanted, a good objective for microscope, or accessories, in 

 exchange for Italian classic-, &c— Joseph Wallis, Deal. 



SiDE-BLOWN_eggs, capercaillie, snipe, herons, cuckoos, and 

 many others, in exchange for common British eijgs, books, 

 barometer, or objects.— Jas. Ellison, Steeton, Keighley. 



Offered, rocks and fossils from most formations. Wanted, 

 fossils, rocks, and rock sections. Lists exchanged.— S. H. 

 Reynolds, Southoven, West Worthing. 



Wanted, minerals of any kind, in exchange for stuffed birds, 

 fencing gear, books, &C.—W. J. Weston, jun., Beckley, Sussex. 

 Darwin's "Origin of Species," Carlyle's "Letters and 

 Speeches of Cromwell," and "The French Revolution," in 

 splendid condition. Wanted, a good text-book in zoology, or 

 good book on microscopy.— W. H. Thresh, 76 Clifton Street, 

 Lytham. 



Wanted, named vars. of Helix aspersa, H. nemoralis, H. 

 hortensis, also H. .fusca, H. revelata, and Acme lineata. 

 Will give other land and freshwater shells, and birds' eggs. — 

 T. H. Hedworth, Dunston, Gateshead. 



BOOKS, ETC., RECEIVED. 



" Diseases of Crops and their Remedies," by Dr. A. B. 

 Griffiths (London: Geo. Bell & Sons).— "Wild Nature Won 

 by Kindness," by Mrs. Brightwen (London: T. Fisher-Unwin). 

 — " Report on the Mosses, Hepatics, and Lichens of the 

 Mourne Mountain District," by Rev. H. W. Lett. — "Sunburn 

 on the Alps," by R. L. Bowles, M.D. — "Proceedings of the 

 Liverpool Geological Society." — "The Preservation of Local 

 Fauna and Flora and Objects of Archaeological Interest," by 

 J. R. B. Masefield, M.A.— " Report on the Progress and Con- 

 dition of the Botanic Garden, Adelaide, S. Australia." — 

 "Half-Hours by the Seaside," by Dr. J. E. Taylor (new 

 edition) (London: W. H. Allen & Co.).— "Journal of Con- 

 chology." — "Nature Notes." — "Bulletin de ['Association pour 

 la Protection des Plantes," Nos. 1 and 8. — "Journal of Quekett 

 Microscopical Society." — "American Naturalist." — "The Pine 

 Trees of Europe." — "Modern Forest Science," and "African 

 Fever and Culture of the Blue Gum-Tree to Counteract 

 Malaria in Italy," by J. C. Brown, LL.D.— "Guide to the 

 Bristol Museum," by E. Wilson, curator. — " Canadian Ento- 

 mologist." — "Insect Life." — " Reports of Observations and 

 Experiments in the Practical Work of the Division of Ento- 

 mology of the U.S. Department of Agriculture." — "Ento- 

 mologist's Monthly Magazine." — "Knowledge." — "American 

 Naturalist."—" Canary Book."—" British Cage Birds."—" The 

 Naturalist." — "The Botanical Gazette." — "The Gentleman's 

 Magazine." — " The Midland Naturalist." — " Feuille des Jeunes 

 Naturalistes."— " The Microscope."—" Book Chat," &c, &c. 



Communications received up to the iith ult. from: 

 J. W. C— Miss S.— F. R.— A. S. B.— J. J. W.— H. C— D. L. 

 — K. A. D.— W. G. K.— E. H. D.— M. E. P.— C. S.— J. E. L. 

 — R. S.— J. A.— A. H. W. D.— A. M.— W. P. H.— J. R.— 

 A.J. H.— P. L. K.— J. C— E. B.— E. E. G.—" Sponge."— 

 E. D. M.— H. B. P.— J. R. H.— T. S.— W. S. P.— P. M.— 

 G. W. R— A. S. W.— F. C. K.— N. F. D.— J. T. H.— P. R. S. 

 — E. A. B.— A. W. H.— W. H. H.— M. L. M.— S. A. B.— 

 A. J. R. S.— H. B.— S. W. R.— J. W.— A. H. B.— S. H. R.— 

 G. K. G.— J. E.— S. P.— A. T.— J. E. N.— T. H. H.— C. H. B. 

 — T.— W. H. T.— H. C. D.— W. G. C— C. C. F.— W. J. W.— 

 D. A. D. C.-A. A. W.-R. J.-J. G.-F. C. G.-&C, &c. 



