i 3 o THE BRITISH NATURALIST. [May, 18 



TO CORRESPONDENTS. 



Subscriptions, Exchange*, Correspondence, Notes, Papers for Publication, and all other communica- 

 tions must be addressed to the Editors " British Naturalist," Warrington. 



All Exchanges, Queries, <%c, for insertion in the following number, must reach us not later than the 

 end of the previous month. All Queries must bear the writer's name. 



Disguised Advertisements for the purpose of evading cost of advt., icill not be inserted in the gratuitous 

 exchange column. We request all ExcJianges mag be signed with name (or initials), and full address 

 at the end. 



Correspondents will please note and write on one side of the paper only. 



ARACHNIDA. — The liev. Fredk. O. Pickard- Cambridge, High Street, Swanage, will name and 

 return any collections of British Spiders received from correspondents of the "British Naturalist' 1 

 provided that several tubes be sent for their reception. He would also be glad to send types of British 

 genera in return for any specimens he might wish to retain. The specimens need not be separated into 

 tubes before sending, but a label, ready addressed and stamped, should always be enclosed. If the specimens 

 are placed in separate numbered tubes, a paper, also numbered, should be sent for the reception of the names. 



Acarina. — Mr. C. F. George, Belle Vue House, Kirton-in-Lindsey , will name any specimens of 

 Acarina sent to him for that purpose. 



Diptera. — The author of "British Flies "( Diptera), Fred. V. Theobald, M. A., F.E.S., 12, Trumping- 

 ton Street, Cambridge, wilt name specimens of Diptera sent to him for this purpose. He will also advise 

 on the subject of injurious insects. 



Conchology.— (Land, Freshwater.) Mr. C. O. Pickard-Cambridge, Balliol College, Oxford, will 

 name shells sent for identification. Applicants must keep duplicates of specimens sent. 

 ■ •British Odonata (Dragon Flies), and British Orthoptera. — Mr. W. Hareourt, Bath, 195, 

 Ladywood Road, Birmingham, will name specimens and answer questions referring to above orders. 



Lkpidoptera. — Mr. Eustace B. Banks, M.A., F.E.S., The Rectory, C«rfe Castle, Wareham, will 

 name specimens of Lepidoptera sent to him for that purpose. Applicants must, however, send 

 addressed label when requiring specimens returned. 



Mollusca: Marine and Terrestrial. — Mr. B. Tomlin, The Green, Llandaff, will name 

 specimens of the above Mollusca sent to him by subscribers for the purpose. 



Diptera. — Mr. R. H. Meade, Mount Royd, Bradford, will verify and correct the names of specimens 

 of Diptera sent to him by subscribers for that purpose. 



British Coleoptera and Hemiptera-Heteroptera. — Mr. E. A. Newbery, 12, Churchill Road, 

 Dartmouth Park, N., will name and return any specimens of the above Orders sent to him by our sub- 

 scribers for that purpose. A stamped label for return should accompany each box. 



Mr. G-. A. Lewcock, 73, Oxford Road, Canonbury, N., will represent " The British Naturalist" 

 in London. 



Stamped envelope must accompany all applications. 



EXCHANGE. 



Wanted, collection of Stamps, or good loose ones, also unused old English, in 

 exchange for Natural History specimens. — Chas. Jefferys, Tenby. 



Wanted, offers of side-blown British Birds' Eggs (more especially land birds), also 

 Helix obvoluta, Succinea oblonga, Lucina spinifera, Solecurtus antiquatus, Lyonsia 

 norvegica, Scalaria (live shells), Ovula patula, Marginella lsevis, Lutraria oblonga, in 

 exchange for other Natural History specimens. — Chas. Jefferys, Naturalist. Tenby. 



Complete set Zoologist to date ; naif calf. What offers ? — L., 5, Wilson-Patten- 

 street, Wanington. 



Duplicates. — Cratcsgi (probably not of British origin), Davus, Trifolii, Trepi- 

 daria, Zonaria, Ulmata, Biundularia, MyriccB, Testdcea, Capsincola, Exoleta, 

 Vetusta, and many others. Desiderata : Very many common species to extend series. 

 — John E. Robson, Hartlepool. 



What offers? — Entomologists' 1 Monthly Magazine, 1,885-1887, unbound; also 

 various odd numbers of 1884, 1888, and i88g. Science Gossip, 1879-82, unbound. 

 Entomologist, 1883-1887, 1890, unbound.— W. J. Cross, Ely. 



What offers? — The Student, 5 vols., half calf, gilt ; and Intellectual Observer, 12 

 vols., half calf, gilt. — H. Jolley, 17, Arpley Street, Warrington. 



Exchange. — Desiderata : Derasa, Duplaris, Fluctuosa, Dtluta Or, Ocularis, Glandi- 

 fera, Flavicornis, Rodens, Perla, Leporina, Strigosa, Ligustri, Auriconia, and many 

 other species. I will make the best return in my power. Write before sending. 

 ■ — John. E. Robson, Hartlepool. 



Pholcus Phalangioides, the Common House Spider of the South ; not found 

 North of the Midlands. T. pulveruenta ; Lycosa amentata ; Lugubris; Pullata. 

 Trochosa picta. — F.O.P.C., High Street, Swanage. 



Epeira Sclopetaria. — Specimens of this uncommon spider will be forwa-ded on 

 receipt of tube and postage. — Linn^jus Greening, Warrington. 



What Offers ?— Part of letter of 1st Napoleon, brought from St. Helena in 1830. 

 — JE. Arnot, The Academy, Winsford, Cheshire. 



Wanted, Busk's Catalogue of Polyzoa. — J. Smith, 12 r, Bewsey Terrace, 

 Warrington. 



