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HARDWICXE'S SCIENCE-GOSSIP. 



LSept. 1, 1SG8. 



NOTICES TO CORRESPONDENTS. 



Ar.L communications relative to advertisements, post-office 

 orders, and orders for the supply of this Journal should be 

 addressed to the Publisher. All contributions, books, 

 and pamphlets for the Editor should be sent to 192, 

 Piccadilly, London, W. To avoid disappointment, contri- 

 butions should not be received later than the 15th of each 

 month. No notice whatever can be taken of communica- 

 tions which do not contain the name and address of the 

 writer, not necessarily for publication, if desired to be with- 

 held. We do not undertake to answer any queries not 

 specially connected with Natural History, in accordance 

 with our acceptance of that term ; nor can we answer 

 queries which might be solved by the correspondent by an 

 .-ippeal to any elementary book on the subject. We are 

 always prepared to accept queries of a critical nature, and 

 to publish the replies, provided some of our readers, besides 

 the querist, are likely to be interested in them. We 

 cannot undertake to return rejected manuscripts unless 

 sufficient stamps are enclosed to cover the return postage. 

 Neither can we promise to refer to or return any manu- 

 script after one month from the date of its receipt. All 

 microscopical drawings intended for publication should 

 have annexed thereto the powers employed, or the extent 

 of enlargement, indicated in diameters (thus : x 320 

 diameters). Communications intended for publication 

 should be written on one side of the paper only, and all 

 scientific names, and names of places and individuals, 

 should be as legible as possible. Wherever scientific names 

 or technicalities are employed, it is hoped that the common 

 names will accompany them. Lists or tables are inad- 

 missible under any circumstances. Those of the popular 

 names of British plants and animals are retained and regis- 

 tered for publication when sufficiently complete for that 

 purpose, in whatever form may then be decided upon. 

 Address No. 192, Piccadilly, London, W. 



-A. G. 



J. B. — The sedge is undoubtedly Carex paludosu.- 



C. P. — An excellent example of reversion. 



G. T. P.— The humming bird hawk-moth has been seen 

 in other metropolitan localities, even nearer to St. Paul's 

 than Clapham Rise. 



F. — The beautiful little fly reared from the inside of an 

 orange is Ceratites citriperda. See article by MacLeay in 

 Zoological Journal, vol. iv., p. 4"5. — I. 0. W. 



H. W. has no very high opinion of London microscopists, 

 or of ourselves, to suppose that when Moller's Typen Platte 

 was exhibited and examined, they, or we, were unable to 

 tell whether the objects were real diatoms, or only photo- 

 graphs. What could have set H. W. hunting for such a 

 mare's nest ? 



J. R. E.— Ehrenberg's " Infusoria," about ten guineas ; 

 Adams' " Essays on the Microscope " (1/98), 16s. ; "Micro- 

 graphic Dictionary" (I860), 45s.; Griffiths' "Text-book of 

 the Microscope " (1864). 



G. S. W.— Common barnacles (Balanus balanoides) and 

 young mussels. Certainly not rare. 



J. M. — The 15th is the latest date at which any query 

 should be sent to us for reply in the next number. 



Jenny. — Have you never read the notice at the head of this 

 page, especially concerning anonymous communications? 



W. W. — For special entomological information consult 

 the Entomologist's Monthly Magazine. Van Voorst. 



J. C— It is rumoured that " Moore's Index Filicum," 

 which was commenced eleven years ago, and has ceased for 

 six years, is to be continued. Wonders never cease. 



T. R. is thanked for slide of Kavicula Jenneri. It is very 

 probable that some readers would be glad to exchange. 



J. W. L. — You surely could not expect moths to emerge 

 from eggs kept in spirits since last May. The query alluded 

 to eggs mounted forthwith. 



Unanswered. — The meetings of the British Association 

 cause a delay in answering some correspondents until next 

 month. 



S. P.— Burmeister's " Manual of Entomology," translated 

 by Shuckard ; Westwood's " Introduction to the Modern 

 Classification of Insects;" and Kirby and Spence's " Intro- 

 duction to Entomology," are all good books for a beginner in 

 the study of Entomology. 



R. S. — The insects causing " anbury " in turnips are said 

 to be Anthomyia brassicw and Anthomyia radicum of the 

 order Diptera. 



J. R. P.— Nonsense ! The aerial shoots of the Indian 

 banyan tree descend from the branches to the ground, where 

 they take root. 



C. M. H. — May procure botanical collecting-boxes of 

 japanned tin, from Mr. How, Foster Lane, Cheapside. 



J. T. S.-The "Bockett Lamp," sold by Mr. Collins, is 

 generally approved. There is no danger of explosion. 



C. A. J. complains that the paragraph in " Exchanges " for 

 last month was inserted in error. 



EXCHANGES. 



Stamped and directed envelope will secure a little Seaweed 

 rich with Grammatophora marina. — Wm. Swuiburn, 5, Rose- 

 mary Lane, Whitehaven. 



Ferns. — Hymenophyllmn Wilsoni for H. Tunbridgense. — 

 Address, J. Bowman, Cockan, Lamplugh, Cockermouth. 



British Crustacea. — Atelecyclus heterodon, Galathea 

 strigosa, and G. squumifera, or others, in exchange for Por- 

 tunus marmoreus and P. holsatus. — G. Sim, 20, King-street, 

 Aberdeen. 



Marine Shells of Portland, Maine, U S. eighty-five 

 species offered for British Cretaceous Fossils, or other objects 

 of Natural History. — E. C. B., care of the Editor. 



American Diatoms (mounted) from North Bridgton (2), 

 South Bridgton (2), Beddington, Albany, and Waterford, 

 Maine, U.S., for mounted British Diatoms. — A. G., care of 

 the Editor. 



Rare Scottish Mosses, particularly those of the Clova 

 mountains for others, English, Irish, or Exotic— Apply to 

 Rev. John Fergusson, Glenprosen Manse, near Kirrieman, 

 N.B. 



Diatoms (mounted) from Perley's Meadow deposit, Bridg- 

 ton, Maine, U.S., in exchange for other good mounted objects. 

 — " Portland," care of the Editor. 



Diatomaceous Deposit, from Cherryfield, Maine, U.S., in 

 exchange for good mounted objects. — B., care of the Editor. 



Membrane op Bat. — Wing membrane of Madras Bat 

 (mounted) for good entomological object. — M. C. C, 192, 

 Piccadilly. 



Spicular Sand from base of Neptune's Cup sponge from 

 Singapore, for unmounted objects.— W. W., care of the 

 Editor. 



British Lepidoptera.— Send for lists to Miss Scriven, 

 Castle Abbey, Northampton. 



British Ferns for other British Ferns. — Send list to J. B., 

 224, W. George Street, Glasgow. 



Unmounted objects for exchange. — Send lists to W. H. R., 

 12, Bonaccord Lane, Aberdeen. 



" Furze Mites" offered in exchange for eggs or larvre of 

 the Death's Head Moth, or Swallow-tail Butterfly.— Address, 

 W. F. H., 1, Belton Villas, West Hill, St. Leonards. 



Lepidoptera wanted in exchange for rare dried British 

 Ferns or Mosses. — J. E. M., Woodfield, Moseley, Birmingham. 



Seaweed from the Gulf Stream, covered with a beautiful 

 polype (one of the Campanularia) for rare British Seaweeds 

 or Polypes.— J. Humphreys, Cheltenham Branch Dispensary. 



BOOKS RECEIVED. 



'.' Guide to the Museum of the Murray Royal Institution, 

 Perth." Edinburgh, 186s. 



" Naturalist's Circular," No. 27. London: Henry Hall. 



"Transactions of the Woolhope Naturalist's Field Club, 

 for 186/." Hereford, 1868. 



"The American Naturalist," for August, 1868, Vol. ii. 

 No. 6. Salem : Peabody Academy of Science. 



" Miscellanea Anthropologica; or. Illustrations of Races," 

 by C. O. Groom Napier, F.G.S. London : Groombridge & 

 Sons. 



"Charnwood Forest; its Air, its Scenery, its Natural 

 Curiosities, Antiquities, and Legends," by Frederick T. Mott. 

 3rd edition. London : Kent & Co. 



" The Gold Fields of Nova Scotia," by A. Heatherington. 

 London : Tiiibner & Co. 



Communications Receivkd.— R. D.— E. C. R.— J 

 G. T P — T. Q C— W. W. W.— W. E. M.— C. P.-A. C 

 G. S. W.— C. B. B.— W. W. S.— E. L.— W. W.— H. G. 

 W. B.— J. B.— R. A.-G. S.— J. F. C.-E. B.— H. F. 

 W F, H.— J. R. E.— T. W.— G. B.— Rev. J. B. B.— A. 

 R. E.— J. F.— C. O. G. N.-J. W.-G. S. W.-S. S., 

 Chester.— A. A.-J. Y. H.-S. B.-J. P. G. S.— J. A. S- 

 — R„ Strand.- F. M. N.-R. R.-S. P.— W. W.— J. S.- 

 — R. S. W— W— W. C. C— M. P.— R. A— J. J. T.— S. 

 M. E.-N. A. T— B. B.— Wilson— S. O.- L. E. W.— H. 

 — C A J.— C. O. G. N.-E. S.-C. M. H— G. E— H. H 

 —J. G. O.-J. R. P.-A. M. H— R. W.-J. H. R.-W. 

 J. E. M.— W. G.— J. L. M.— J. T.— C. M.— A. J. D.— J 

 G. S. B.— M. D.— J. II. -J. Le B.-J. B.— C. L.-F. R 

 W. S.— J. B. G.— F. W. B.— W. F. H.— J. Y.-J. B. L.- 

 — M. D. P.— A. C. 



B.— 



. K.— 

 W — 

 M.— 

 M.— 

 Man- 

 G. B. 

 J. G. 

 M.— 



R. W. 

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H. R. 



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