1 68 



HA R D WICKE ' S SCIENCE-GOSSIP. 



— not unlike the bubbling noise from a hookah-pipe 

 — and never titters the orditiary cry. It is believed 

 that the males predominate in the proportion of five 

 to one at least. I may add that at the South Ken- 

 sington Museum a fine lot of cuckoo's eggs, with the 

 clutches they were taken with, is recently on view 

 in a case at the back of the Darwin statue on the 

 ground -floor. I have seen the egg this season in the 

 wagtail's, meadow-pipit's, sedge-warbler's, hedge- 

 warbler's, white-throat's, greenfinch's, and bullfinch's 

 nests, all identified, the last being almost a " record " 

 event. — W. H. Tuck, Tostock House, Bury St. 

 Edmunds. 



The Governors of the People's Palace, on Tues- 

 day, 20th ult., appointed Mr. Robert Holt to the 

 recently-founded professorship of engineering at the 

 People's Palace. Mr. Holt held an assistant lecture- 

 ship to the engineering department at University 

 College, Liverpool, since 1889, and has been con- 

 nected with the Walker laboratories since their founda- 

 tion. He twice obtained a Whitworth scholarship, 

 and afterwards held a National scholarship, and was 

 awarded a Science Research scholarship of the 

 Commissioners of 1 85 1 Exhibition. Mr. Holt, besides 

 undertaking other original work, assisted Professor 

 H. S. Hele-Shaw in the preparation of the Report 

 for the British Association on the " Development of 

 Graphic Methods in Mechanical Science." 



NOTICES TO CORRESPONDENTS. 



To Correspondents and Exchangers. — All notes or other 

 communications should reach us before the 8th of the month in 

 order to insure their insertion in the following number of 

 Science-Gossip. 



To Anonymous Querists. — We must adhere to our rule of 

 not noticing queries which do not bear the writers' names. 



To Dealers and Others. — We are always glad to treat 

 dealers in natural history objects on the same fair and general 

 ground as amateurs, in so far as the " exchanges " offered are 

 fair exchanges. But it is evident that, when their offers are 

 simply Disguised Advertisements, for the purpose of evading 

 the cost of advertising, an advantage is taken of our gratuitous 

 insertion of " exchanges," which cannot be tolerated. 



We request that all exchanges may be signed with name (or 

 initials) and full address at the end. 



Special Note. — There is a tendency on the part of some 

 exchangers to send more than one per month. We only allow 

 this in the case of writers of papers. 



To our Recent Exchangers. — We are willing to be helpful 

 to our genuine naturalists, but we cannot further allow dis- 

 guised Exchanges like those which frequently come to us 

 to appear unless as advertisements. 



W. J. Paul. — Dr. Taylor's work on the Aquarium is pub- 

 lished by Messrs. W. H. Allen & Co., 13, Waterloo Place, and 

 not as stated last month. 



EXCHANGES. 



Vipers. — Wanted, living or spirit specimens of the common 

 viper, particularly its varieties, in exchange for other reptiles, 

 micro, slides, and books. I shall be pleased to correspond 

 with readers interested in the geographical distribution of this 

 reptile and its varieties. — Mason, 203 Ebury Street, Eaton 

 Square, London. 



For sale at cost price, or exchange for geological slides, 

 Science-Gossip, Nos. 57-205, inclusive (1878-81), 169 missing, 

 and 213 extra.— Cook, Edina, Leicester. 



Science-Gossip for 1887-89, and 1891, unbound. Wanted, 

 offers or foreign stamps. — D. Thomson, 8i Kyverdale Road, 

 Stoke Newington, London. 



Wanted, British or foreign birds' eggs. Exchange. — W. 

 Gyngell, 155 Prospect Road, Scarborough. 



Wanted, curiosities from all parts, also good minerals of 

 crystallisation, and coal ferns. Satisfactory exchanges in 

 British marine shells, micro, material, etc.— T. E. Sclater, 

 Natural History Stores, 43 Northumberland Place, Teign- 

 mouth. 



Wanted, good microscope : will exchange harmonium or 

 science books. — J. R. May, 6 Perry's Close, East India Road, 

 Poplar, E. 



Wanted, to exchange a brown rigid waterproof camera case, 

 9J in. high, 8£ in. wide, 144- in. large, inside measure, never 

 used, with sling and lock ; a i-plate changing bag, also i-plate 

 sliding mahogany tripod stand, the top slightly damaged, for 

 English and foreign stamps, post-cards, and envelopes. — 

 George Waters, 21 Westbourne Park Road, Bayswater, 

 London, W. 



Wanted, Lamprotax piceus, Rhyparochromus dimidiatus, 

 Nysius brunneus, Monanthia similis, Campylostira bradry- 

 cera, Ortlioslira concinna, Aradus atterimus, Teratocoris 

 viridis, Phytocoris distinetus, P. marmoratus, P. dubius, P. 

 crassipes, P. /{oralis, Litosoma obsoleta, L. ochrotrichus, L. 

 prasina, L. chloroptera, L. Douglasi, A'ethorhinus bilineatus, 

 Globiceps ater, G. dispar, Tinicephalus obsoletus, Psallus 

 simillimus, P. Fieberi, Bothynotus pilosus, Pseudophleps in- 

 conspicuus, Acanthia pipistrelli, Salda fucicola, S. mar- 

 ginella, S. vestita, S. morio, S. conspicua, S. elegantula, 

 Notonecta maculata, Corina Scotti, C. limitata, C. venusta, 

 C. Soldi, C. socio., C. Wollastoni, C. sodalis, C. cognata, C. 

 Douglasi, C. borealis, C. perplexa, C. variegata, Sigara 

 Poweri. Cash or exchange. — G. K. Gude, 5 Gresbach Road, 

 Upper Holloway. 



The Curator of the Botanic Garden, Cambridge, would be 

 glad to give something in exchange for some Botrydium, in 

 condition to cultivate. 



Offered, 1 Pa pilio podalirius, Thais polyxena, Gonepteryx, 

 Cleopatra, Thestor ballus, Charaxis jasius, and others from 

 Hyeres, South of France. Wanted in exchange, British or 

 foreign shells. — B. Stracey. 45 Fountainhall Road, Edinburgh. 



A few slides of "The Challenger Expedition Dredgings," 

 1950 fathoms, containing Cose. Africanus, var. Wallichiana, 

 Cose, lentiginosus, Actinoeyclus Oliverianus, etc. ; also a few 

 good polyzoa, named. Send lists to Rev. A. C. Smith, 

 Crowboro, Sussex. 



Science-Gossip, " Knowledge," " Nature," Chambers' 

 " Encyclopaedia," Kirby's " European Butterflies and Moths," 

 Darwin's works, etc. No reasonable offer refused. List sent. 

 — W., 106 Trinity Road, Birmingham. 



Wanted, nicely-pressed seaweeds, ferns, and showy flower- 

 ing plants ; the smaller common species in quantities (no roots). 

 Will give named insects in return. Also wanted, a piece of 

 elm bored by bark beetle (Scolytus destructor). — S. L. Mosley, 

 Beaumont Park Museum, Huddersfield. 



Offers wanted for a fine i-inch objective, by Collins ; also 

 a pair each of B and C eye-pieces, fitted with shades. — P., 

 8 Whitehall Park, Hornsey Rise, N. 



Duplicates of podalirms,' Cleopatra, edusa, daplidia, belia, 

 euphenoides, cardamines, syllius, megara. Desiderata include 

 all erebbs, palaemon, actaeon, pruni, W. album • high-set or 

 unset preferred. — G. H. Bryan, Thornlea, Cambridge. 



Wanted, entomological store-box or small cabinet, setting- 

 boards, pins, or any apparatus. A large number of named 

 flowering plants, ferns, mosses, &c, offered in exchange. — 

 J. A. Wheldon, Chemist, H.M. Prison, Liverpool. 



Wanted, Hypnuni Wilsoni, cordi/olium, Polytrickum 

 gracile, Atrichum crispimt, Bartramia ithyphylla, Swartzia 

 ?nontana, Didymodon de?iudatus, var. atpinus, Dicranum 

 fuscescens, etc. Wanted, Sphagnum papillosum, Jimbriatum, 

 and strietum; Webera acuminata, polymorpha, annotina, 

 and Ludmigii ; Neckera pen?tata, Brachythecium salebrosum y 

 Hylocomium umbratum. — J. A. Wheldon, Chemist, H.M. 

 Prison, Liverpool. 



BOOKS, ETC., RECEIVED FOR NOTICE. 



" Geological Magazine " (London : Kegan Paul, Trench, 

 Triibner & Co.). — "The Microscope " (Microscopical Publish- 

 ing Company). — " The Naturalist " (London : Lovell Reeve & 

 Co). — "The Canadian Entomologist" (London: London 

 Printing and Lithographing Co.). — "Geological and Solar 

 Climates," by Marsden Manson, C.E. (London: Dulau & Co.). 

 — "The Odes and Carmen Seculare of Horace," translated 

 into English verse by T. A. Walker, M.A. (London: Elliot 

 Stock). — "On Some New Irish Earth- Worms," by Rev. 

 Hilderic Friend, F.L.S. (Dublin: Ponsonby & Weldrick).— 

 " Decipherment of Blurred Finger-Prints," by Francis Gallon 

 (London: Macmillan & Co ). — " On a New Species of Earth- 

 worm," by Rev. Hilderic Friend, F.L.S. (Dublin: Ponsonby 

 & Weldrick). — "Natural Science" (London: Macmillan & 

 Co.). — "Feuille des Jeunes Naturalistes " (Paris: Oberthur & 

 Rennes). — " Modern Microscopy," by M. T. Cross and Martin 

 J. Cole (London : Tindall & Cox).—" Studies of British Tree 

 and Earth-Worms," by Rev. Hilderic Friend, F.L.S. — 

 "American Microscopical Journal" (Washington: Smiley).— 

 "Natural Food" (London: Fowler & Co.), etc., etc. 



Communications received up to the ioth ult. from : 

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

 S. L. M.— J. T. K.-H. B. — G. A. H. — F. S. M.-J. W. M.— 

 E. H. R. — etc., etc. 



