nd 
TRAVELS 
CLASS V. 
Mathematical Sciences . 
Mr. Gadolin, bifliop of Abo. 
Mr. Ferner, already noticed in the academy of belles-lettres. 
Mr. Melanderhielm ; he has written a book on aftronomy, in 
two volumes oCtavo ; a courfe of mathematics, in feveral volumes 
not yet printed ; commentaries on the theory of the moon, and 
feveral papers in the a£ls of the academy. As a mathematician, 
he has the character of a confummate calculator, and profound 
geometrician. His manners are marked by an uncommon degree 
of coldnefs and apparent indifference. 
Mr. af Chapman, known as the author of experiments on the 
refiflance of fluids, printed among the memoirs of the academy. 
He is confidered as the greateft naval architect in Sweden. 
Mr. Planman, celebrated for an obfervation taken at Cayana- 
borg, of the tranfit of the planet Mercury over the fun ; which 
obfervation, in conjunction with that of De la Caille, at the Cape 
of Good Hope, form the bafis for the menfuration of dimenfion in 
the fyftem of the world. 
Mr. Profperin, celebrated on account of his extendve table on 
the diflances of comets, and feveral memoirs publifhed in the ads 
of the academy on the fame fubjeCt. 
Mr. Lejonmark, author of feveral memoirs on the conftruCtion 
of equations of the third and fourth degree. Not a man of ge¬ 
nius 
