284 



HARDWICKE'S SCIENCE-GOSSIP. 



lierbivorous habits. The green lizard is insectivorous, or rather 

 omnivorous as regards its animal diet. 



J. B. — The "moving bodies" at the ends of Closterium are 

 due to the flows of colourless protoplasm. The protoplasm 

 appears to flow up over the interior of the cell-wall on all sides 

 from the centre to the extremity, then to turn round past the 

 vacuole, and return over the surface of the green endochrome 

 parallel to the upward course. Some mirroscopists, however, 

 believe these vacuoles are contractile vesicles, connected with 

 the flow of the currents. 



J. W. D. M.— Will Mr. E. D. Marquand kindly send us his 

 present address to forward to this gentleman? 



F. T. Maidwell. — The specimens are thin nodules of 

 silicate of lime. There are appearances of casts of foraminifera 

 in them. They certainly deserve further investigation. 



W. G. — The "Fellowship" of the Royal Astronomical 

 Society is not obtained by examination. A candidate is re- 

 commended for the Fellowship by three Fellows, one from 

 personal knowledge, and all from that of his work and writings. 

 Apply to the secretary of the society for the necessary forms 

 and other information. 



J. W. D. K. — The zoophytes are Coryne i>itsilla. 



A CORRESPONDENT, whose name and address are not given, 

 .sends us a specimen asking what mammal it is the skull of. 

 It is the carapace of one of the spider-crabs [Hyas araneus). 



S. P. Hawes. — The "Notes" shall appear in due course. 

 Send on all you have. 



S. MoTTET (Paris). — We shall be very pleased to publish 

 your paper, notwithstanding the increasing demands upon our 

 space. Please send it at once. 



EXCHANGES. 



Wanted, parasites, mounted or unmounted, latter preferred. 

 Good exchange in miscellaneous slides. — George T. Keed, 

 87 Lordship Road, Stoke Newington, London, N. 



Uncle.\ned gathering oi Meridian circulare, either in fluid, 

 for mounting in situ, or dried, for boiling in acid ; also dried 

 material of Melosira 'jarians for exchange. — G. H. Bryan, 

 Thornlea, Chaucer Road, Cambridge. 



Wanted, a good section-cutter for vegetable sections. Trial 

 must be allowed. Offered, natural history books, &c.— F. C. 

 King, 82 Fishergate, Preston. 



Send any good rock section for a slide of Nitella batracho- 

 sperwa (new to Britain), or offers, to— K. C. King, 82 Fisher- 

 gate, Preston. 



Micro-mounts and material, mosses and dried plants, all 

 correctly named, in exchange for illu^trated or rare books, and 

 photographs.— J. H. Lewis, F.L.S., 145 Windsor Street, 

 Liverpool. 



Wanted, Nos. 217, 219, 220, 223, 224, and 227, of Science- 

 Gossip. Offered, micro material and slides, fossils, &c. — 

 A. G. Hammond, 10 St. John's Hill, New Wandsworth, S.W. 



VVanted, foreign reptiles and small rodents, alive ; also 

 fossil and preserved fishes. — W. Hannan Watson, 219 St. 

 Vincent Street, Glasgow. 



Wanted, pure gatherings of amphipleura, toxonidea, Tabcl- 

 laria fenestrata, denticula, okedenia, and colletonema, in 

 exchange for pure diatom deposits, either raw or prepared, 

 micro material, or slides.— S. L., care of W. West, 15 Horton 

 Lane, Bradford. 



Science-Gossip, 1875-8, bound blue cloth, gilt letters ; 

 "Life of an Insect," 2 vols.; "Insects" vol. of Naturalists' 

 Library, col. plates; "Alphabet of Insects" (Rennie) ; Kirby 

 and Spence's "Entomology," calf gilt; "British Moths and 

 Butterflies," is. ed. : thirty odd numbers of Science-Gossii'. 

 Exchange Wanzer oil-lamp and cooker, or anything useful.— 

 R. J. Warner, 80 Netherwood Road, Kensington, W. 



"Illustrations of the Linnaean Orders of Insects," by 

 W. Wood, F.R.S., 2 vols., 35 col. plates; "Half Hours with 

 the Microscope" (new); "The Microscope, How Made and 

 Used" (new) ; "Transactions of the Linnsean Society;" three 

 numbers each of " 15otany" and "Zoology," and photographic 

 literature. Exchange for anything useful.— R. J. Warner, 

 80 Netherwood Road, Kensington, W. 



Wanted, Jackson's or Wale's stand, or good i or i objectives 

 (if 01: t of order not objected to), in exchange for mathematical, 

 scientific, and engineering books; several hundred to choose 

 from.— Taylor, 26 Marchmont Street, London, W.C. 



A fine collection of Scotch graptolites, also Bulimus decol- 

 latus, offered in exchange for tropical shells. Lists requested. 

 —Miss F. M. Hele, Fairiight, Elmgrove Road„Cotham, Bristol. 



Wanted, diatoms in situ and pediculi (the latter in dilute 

 alcohol or carbolic acid), in exchange for American diatoms, 

 recent and fossil, and miscellaneous objects for mounting. — 

 M. A. Booth, Longmeadow, Mass., U.S.A. 



Wanted, a set of dissecting instruments in good condition. 

 Good exchange given.— H. W. Parritt, 103 Camden Street, 

 London, N.W. 



Wanted, Devonian, gault, or greensand fossils. I will send 

 four good specimens from carboniferous, including Lingulella 

 squatni/oKinis (rare), for any one good specimen from any of 

 the above.— P. J. Roberts, 4 Shepherd Street, Bacup. 



British marine, land and freshwater shells, fossils, drift 

 from the Cornish coast, containing minute shells, corals, echinii 



spines. Echinus sphxera and vtiliaris, very small, for micro 

 purposes ; Pyroxene aiidesite from the interior of Mexico, 

 which, when cut, polished and mounted, makes lovely slides 

 for the microscope. Also, what offers for chips of rare 

 Devonian corals and sponges, to work up for micro purposes? 

 Wanted, Aone lineata, Isocardia cor, Pecten nivca, Trochus 

 granulatiis, Buccinopsis Dalei, Buccimtvi Humplireysianuiu, 

 Lima loscombii, L. subauriciilaia, Avicula hirundo, and glass- 

 top boxes. — A. J. R. Sclater, M.C.S., 23 Bank Street, Teign- 

 mouth, South Devon. 



Wh.\t offers for some back numbers of "Grevillea?" — Rev. 

 C. H. Waddell, Whitewell, Be!fa>t. 



Wanted, good works on natural history subjects, chiefly 

 microscopic, in exchange for foreign insects. — M., Femdale, 

 Brondesbury Road, N.W. 



Lancashire specimens of Bulimus Goodallii offered for 

 foreign land and freshwater shells not in collection. — W. Hy. 

 Heathcote, M.C.S., Frenchwood Street, Preston. 



Wanted, foreign stamps and shells in exchange for choice 

 microscopic slides and British marine shells. — Suter, 5 High- 

 week Road, Tottenham, London. 



A good old violin, very sweet tone, with Vieuillame bow, in 

 case, in exchange for objective or micro apparatus to value. — 

 Chas. H. H. Walker, 12 Church Street, Liverpool. 



Offered, A'', fluviatilis, B. tentaculata, P. vortex, P. con- 

 tortus, L. auricularia, L. glutinosa, S. elegans, S. Putris, 

 H . hispida, H. caperata, H . erictorum, L. palusiris, Z. eel- 

 lariiis, P.fontalis, P. hypnorum. Wanted, eggs of nightjar, 

 quail, and Kentish plover. — E. Banks, 11 Grey Street, Hull. 



Duplicates. — Pal. contecta, PI. glaber, dilatatus, albus, 

 Lim. palusiris, truncatula, Succ. putris, Z. glaber, nitidulus, 

 H. sericea, concinna, C. iridens. Car. Minimum, &c. Wanted, 

 Venus chione and casina. — F. C. Long, 8 Cog Lane, Burnley, 

 Lanes. 



Wanted, Scalaria communis, F. gracilis. Beta turricula. 

 Cap. Hungaricus, T. aureus. Offered, two silver coins — 

 Geo. III. threepenny piece (1763); Geo. IV. fourpenny piece 

 (1824), and two copper coins. — W. J. Jones, jun., 27_Maytoa 

 Street, Holloway, London. 



Duclicates of rare British birds' eggs, and Science-Gossip 

 for 1886-89; also odd numbers and vols, of "Entomologist." 

 Desiderata, rare eggs or British shells. — T. H. Hedworth, 

 Dunston, Gateshead. 



Offered, fine specimens of Otina otis. Wanted, any of the 

 vertigoes, H. lamellata, and other shells not in collection. — 

 Mrs. Falloon, Long Ashton Vicarage, Bristol. 



Well-preserved snakes from Uemerara, in spirits (names 

 unknown), offered for scarce British birds' eggs, side blown. 

 Description on application. — L. Montague, Crediton. 



What off'ers or exchanges for the following: a French 

 microscope (compound), eye-piece with a pair of brass forceps 

 to fit, in neat mahogany box, Mantell's "Geology" (complete 

 in two parts, bound), " Half-Hours with the Microscope," by 

 E. Lankesler, M.D. (illustrated by Tuffen West), " Zoology," 

 by Andrew Wilson, Pti. D., containing chapters on amoeba, 

 hydra, sea anemone, freshwater mussel, lobster, and frog. — 

 J. W. B. Rodgers, 52 and 54 London Road, Highfields, 

 Sheffield. 



BOOKS. ETC., RECEIVED. 



"The World's Great Explorers: Life of John Davis, the 

 Navigator," by C. R. Markham, C.B., F.R.S. (London: 

 Geo. Philip & Son). — "Introductory Lessons on Quantitative 

 Analysis," by John Mills and Barker North (London : Chapman 

 & Hall). -" Elements of Physiology," by J. E. Boch (London : 

 Chapman & Hall).— " Solutions to the Questions on Machine 

 Construction set at the May Examinations of Science and Art 

 Department," 18S1-6," by H. Adams (London: Chapman & 

 Hall).— "Birds of Oxfordshire," by O. V. Aplin (Oxford: 

 Clarendon Press). — " Introduction to Chemical Science," by 



R. P. Williams and B. P. Lascelles (London: Ginn & Co.) 



" Potential, and its Application to the Explanation of Electrical 

 Phenomena," by Dr. Tumlirg, translated by T. Robertson 

 (London : Rivingtons). — " Modern Methods of Making and 

 Selling Carriages," by J. Phipson.— "Notes on the Pinks of 

 W. Europe," by F. N. Williams, F.L.S. (London: West 

 Newman & Co.).— " Idylls of the Field," by F. A. Knight 

 (London: Elliot Stock). — "Science and Scientists," Nos. II. 

 and III. — "Some Wayside Problems," and " Who Painted the 

 Flowers?" (London: CathoHc Truth Society), &c. 



Communications received up to the ioth ult. from : 

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

 W. W.— A. G. H.— J. C— J. W. W.— B. C. R.— N. H. B— 

 W. H.— E. V. P.— A. M.— S. M.— R. C— T. D. W.— S. P. H. 

 — W. B. B.— J. W. H.-F. C. K.— H. W.— J. H. L.— M. M. 



— G. H. B.— M. C— G. O. B R. W.— H. W. B.— T.— 



T. D. A. C— M. A. B.— F. M. H.— J. W. W.— C. R.— 

 P. J. R.— A. J. R. S.-J. G.— H. W. P.— H.— A. D.— 

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

 W. P. H.— T. W. T.— T. H. H.— W. J. J.— A. W.— K. W.— 

 C. H. H. W.— J. W. D. K.— R. S.— E. B.— R. W.— H. J. P. 

 — F. C. L.-W. H. H.— J. W. M.— C. H. W.— &c., &c. 



