NATURE 



[June i, 1905 



Sale D? auction. 



COLLECTION OF NATURAL HISTORY SPECIMENS. 



MR. J. C. STEVENS, of 38 King Street, 



Garden, London, W.C. 

 and WEDNESDAY, JUNE < 

 Collections of British taken Bi 

 glass cases, including many 

 Heads and H. 



11 Sell by Auction on TUESDAY 

 nd 7, at half-past Twelve each day, 



i' Eggs; fine lots of Birds set up in 



rare and curious pied, white and other 

 of Animals from Uganda, S. Africa, 



other countries ; Fossils and Minerals, including som 

 Exotic Lepidoptera, Shells, Cabinets, &c., &c. 

 )n view day prior and morning of sale. Catalogues 



: fine Leadhillites, 



BLOOD EXAMINATION. 



Full particulars of all (including New and Special) 



Apparatus for the Examination and Staining of Blood, 



Sputum. &c., are contained in our Descriptive and 



Illustrated Pamphlet to be had post free on 



application. 



244 High Holborn, 



LONDON, W.C. 



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GAMBRELLDROS. 

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ELECTRICAL TESTING INSTRUMENTS. 



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MACMILLAN & CO.'S NEW BOOKS. 



TWENTY-SIX GRADUATED EXERCISES IN GRAPHIC STATICS, 



some in Two Colours, and with Skeleton Data to practise upon, and including the Application to 

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^y T. AljEXiAN'DEH:, JVE.Inst.C.E.I., Professor of Engineering, Trinity College, Dublin ; and 



A., Ilir. n^KOlVISON', I>.Sc., CE., Professor of Engineering, College of Scierice, Poona. 



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Principal Contents for June. 

 Mathematical Tables. By Prof. George A. Gibson, M.A., LL.D.— Oral ■Work in Elementary Mathe- 

 matics.— By W. G. Borchardt, M.A., B.Sc— Mathematics under the New Army Regulations. By A. E. 

 Broonifield, B. A. —After Euclid? By A. Clement Jones, M.A., Ph.D.— Algebra as Generalised Arithmetic. 

 By J. M. Child, B. A. —Practical Mathematics. By R. Wyke Bayliss, B. A.— Equipment for the Teaching of 

 Practical Mathematics. By G. H. Wyatt, B.Sc, A. R.C.Sc— The Teaching of Higher Arithmetic. By F. 

 Kettle, B. A. — Education in the Crown Colonies.— The Cheltenham Ladies' College— New Science Wing. (Illustrated.)— 

 Compulsory Manual Training. By Carl Heath.— Correspondence : The Heuristic Method of Teaching Science. By W. Mayhowe 

 Heller, B.Sc— The Use of Graphs. By C. H. Blomfield, M.A., B.Sc. 



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