452 



Mr. E. Solly on the Palo de Vaca 



No correction made for barometers. Heat of white bulb, 



89°. Temperature of the sea, 79°. 

 the sea, 78°*. 



Jug. 9th, 1837. 



Temperature of air over 



LXI. On the Palo de Vaca or Cow Tree of South America. 

 By Edward Solly, Jun., Esq. 



I AM indebted to the kindness of Dr. Lindley for specimens 

 of the bark, sap, &c, of the Galactodendimm utile, or 

 Cow tree of Humboldt, accompanied by a highly interesting 

 letter from Sir R. K. Porter to the Hon. W. F. Strangways, 

 and communicated by him to Dr. Lindley; from which the 

 following are extracts. 



Dated " Caracas, June 8th, 1837. 



" Towards the close of last month, I started from hence 

 across the mountains, in a north-west direction towards the 

 coast ; and a most fatiguing and not a little dangerous jour- 

 ney we had ; for journeying out of the beaten paths (for good 



* An abstract of Lieutenant Nelom's observations on the geological con- 

 stitution of Bermuda will be found in Lond. and Edinb. Phil. Mag., 

 vol. v. p. 222 ; and some remarks on the same subject by Mr. Greenough, 

 in vol. vii. p. 147. — Edit. 



