CONTBNTS. lU 



Insanity and Suicide in Turkey, -:. 127 



Idiocy produced artificially in Children and 



Adults, - - - 129 



Practice of the present Sultan, - ib. 



Lunatic Asylums the only Hospitals in Turkey, 130 

 State of Surgery in Turkey, - ib. 



Observations on Eunuchs, - 135 



The Dumb great Favourites, - 136 



XVI. Observations on the Structure of Recent and Fossil 

 ConifersQw By William Nicol, Esq. Lecturer on 

 Natural Philosophy, &c. Communicated by the 

 Author. With three Plates, - - 137 



XVII. Establishment of Captain R. Wauchope's Signal for 

 ascertaining the Rates of Chronometers at the Royal 

 Observatory, Greenwich, - - 158 



XVIII. Memoir on the Question, — ^whether any Land Ani- 

 mals have ceased to exist since Man's Formation ; 

 and whether Man has been contemporaneous with 

 species now lost, or appearing no longer to have re- 

 presentatives on the Earth ? By M. Marcel dk 

 Serres, ----- 168 



^ XIX. Description of several New or Rare Plants which have 

 lately Flowered in the neighbourhood of Edinburgh, 

 but chiefly in the Royal Botanic Garden. By Dr 

 Grahajm, Professor of Botany in the University of 

 Edinburgh, - - - - 175 



XX. Proceedings of the Royal Society of Edinburgh, 181 



1. Observations on the Anatomy of the Rorqual (a 

 Whalebone Whale of the largest magnitude), 

 drawn up from the dissection of a specimen found 

 dead off North Berwick. By Robert Knox, 



M. D., F. R. S. Ed. - - - ib. 



2. Continuation of " Experimental Researches re- 

 garding certain Vibrations which take place be- 

 tween JMetallic Masses having different Tem- 

 peratures." By James D. Forbes, Esq. Pre- 

 fessor of Natural Philosophy in the University 



of Edinburgh, - - - . 183 



3. On the Equations of Loci traced upon the sur- 

 face of the Sphere, as expressed by spherical co- 

 ordinates. By T. S. Davies, Esq. F. R. S. E. 184 



