CONTENTS. 



PAGE 



Art. VII. On the Remains of Man, and Works of Art im- 

 bedded in Rocks an<i Strata, as illustrative of the 

 connection between Archaeology and Geology. 

 By Gideon Algernon Mantell, Esq., LL.D., 

 F.R.S., Vice-President of the Sussex Archaeolo- 

 gical Society, &c., . . . . . 235 



1. On the Imbedding of Human Remains in the Strata 



now in Progress of Formation, . . . 238 



2. On the Occurrence of the Remains of Man and Works 



of Art in modern superficial Deposits, . 241 



3. On Human Remains associated with those of extinct 



Animals in the Ancient Alluvial Deposits, , 247 



4. On the Probability of discovering traces of the 



Human Race in the Ancient Tertiary Formations, 252 



VIII. Observations on the Blind Fish of the Mammoth 

 Cave. By Professor L. Agassiz. In reply to a 

 letter of inquiry from Dr Silliman, Sen., . 254 



IX. Velocity of Light. By Humboldt, . . 256 



X. On the Rose-Coloured Syenite of Egypt. By Pro- 



fessor Delesse, Engineer of Mines. Communi- 

 cated by the Author, . . . . 260 



XI. On the Analogy between the mode of Reproduc- 



tion in Plants and the " Alternation of Genera- 

 tions" observed in some Radiata, . . 266 



XII. Professor Owen on Metamorphosis and Metage- 

 nesis. Being abstract of a Lecture delivered by 

 him at the Royal Institute of Great Britain in 

 February 1851, 268 



XIII. Chemical Examination of Specimens of Purple 

 Copper Ore and Copper Pyrites, with Remarks on 

 their Constitution. By Mr David Forbes, of 

 the Espedal Copper Works, Norway. Communi- 

 cated by the Author, .... 278 



