Aprils, 18S0.J NATURE 



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THE APPLICATIONS OF PHYSICAL FORCES. 



BY 



amed£e guillemln. 



Translated from the French av 



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J. NORMAN LOCKYER. 



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popular form explanations of the various modes in Fwhlcr "h ^S^ 1 ^ which re^eS^KorSvio^™^ T^ wh ' c \P^ in 



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BRITISH BARROWS: 



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BIT WILLIAM G-I^EEinsr^rVEIXjXj. 



TOGETHER WITH DESCRIPTION OF FIGURES OF SKULLS. GENERAL REMARKS ON PREHISTORIC 



CRANIA, AND AN APPENDIX. 



By GEORGE ROLLESTON, M.D., F.R.S., 



Linacrc Professor of Anatomy an'd Physiology and Fellow ol Meitoa College, Oiford 



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