xxiv NATURE {Nov. 21, 1878 



THE TELEPHONE COMPANY, LIMITED, 



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SOLE PROPRIETORS OF BELL'S AND OTHER PATENTS. 



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JUST PUBLISHED. 



GEGENBAUR'S COMPARATIVE ANATOMY. 



A Translation by F. JEFFREY BELL, B.A. 



REVISED WITH PREFACE BY PROF. E. RAY LANKESTER, F.R.S. 



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COAL, ITS HISTORY AND ITS USES. 



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