192 PROCEEDINGS OP THE AMERICAN ACADEMY 



gives the voice of the pig as kol, or kwee : it may therefore 

 be inferred, that in his day ol was pronounced ivee, and 

 oi/co9, loeekos ; but in spelling week, a modern Greek would 

 be obliged to place a prefix to the ancient word, for instance, 



OVOIK. 



Professor Peirce presented a communication from Mr. Saf- 

 ford on the mode of determining the places of planets, and 

 one by himself on the personal peculiarities of astronomical 

 observers. 



On motion of Professor Parsons, it was voted that Mr. Saf- 

 ford's paper be referred to Professor Peirce for examination. 



Dr. C. T. Jackson exhibited specimens of Tetradymite, or 

 tellurid of bismuth, from Spottsylvania in Virginia; also an 

 allied new mineral from Dahlonega, Georgia, viz. Bornit, with 

 its composition and formula ; he also exhibited gold from the 

 same mine, in the matrix as well as washed, and gave an ac- 

 count of the gold-washing processes carried on in that State. 



Four hundred and sixty-tliird meeting. 



March 22, 1859. — Supplementary Meeting. 



The President in the chair. 



The Corresponding Secretary read letters from Sir William 

 E. Logan, Montreal, March 7th, and from John Lindley, Lon- 

 don, February 28th, in acknowledgment of their election, the 

 former as Associate Fellow, the latter as Foreign Honorary 

 Member of the Academy ; also from William Sharswood, 

 Philadelphia, March 17th, offering certain books for the ac- 

 ceptance of the Academy, and proposing certain exchanges. 



The discussion at the last special meeting was continued 

 by Dr. Charles Pickering, who read the following paper upon 

 the subject : — 



" Dr. Pickering had been practically engaged with the subject, in 

 ascertaining the geographical distribution of species ; had visited, and 

 acquired local knowledge, at many different points of the earth's sur- 

 face ; and anywhere upon the planet would probably know his where- 

 abouts by looking at the animals and plants. 



