If 3 



TO 



SIR RODERICK I. MURCHISON, K.C.B. 



G.C.ST.A. D.C.L. LL.D. F.R.S. 

 DIEECTOB-GENEBAL GEOLOGICAL SUBVET J 



PRESIDENT OP THE BOYAL GEOGBAPHIOAL SOCIETY OF LONDON, 



ETC. ETC. ETC. 



AND TO 



GENERAL EDWARD SABINE, R,A. D.C.L. LL.D. 



PBESIDENT OF THE BOYAL SOCIETY, 



ETC. ETC. ETC. 

 THE FRIENDS AND FELLOW-LABOUBERS OF BABON A. VON HUMBOLDT, 



2Tfje folloiuing iSiograpfjtcal .Sfatrfj is EnscrtbeK, 



WITH EVEBY SENTIMENT OF PBOFOUND BESPECT AND GBATITUDE. 



JVJ368343 



