446 Bibliography. 
six years he returned to the duties of his farm. — His portion of ‘ a 
great work published by the state, as reports” from fan Geol 
and Naturalists, is that which will remain his mon 
ith the sam 
subject of this notice, will aoqpire a fash enduring as the science they 
have so well promoted. 
In all the relations of domestic life, Professor Vanuxem set an exam- 
ple toall around him, Amiable, cheerful and intelligent, he was always 
welcomed into every circle—his early friendships were continued and 
faithfal to the end of his life, and those who enjoyed his confidence and 
friendship, will not find it easy to fill the void he has left in their 
association.— North American, Philadelphia. 
VI. BrgiiocRraPuy. 
1. A Description of Active and Extinct Volcanoes, 6 
and of Thermal Springs; with remarks on the causes o 
The first.edition of this wont appeared in 1826, in 466 
The illustrations were fourt 
ean volcan orullo—a “olde f the country ¢c 
bottom of the Mediterranean and the north end of the 
Palestine, the Desert of Arabia, &c.—and a map 
e new edition:contains 728 pages, equivalent to eI 
ges of the first edition, and therefore almost double in q 
ter. The illustrations are thirty-eight wood-cuts, four e 
and five engraved maps of the: octavo size, besides a fold 
United States. The gettingup of this edition in paper, | 
engraving, is decidedly superior to that of the first edition, i 
a large and elegant vo 
‘the pretee to this edition, that he ha 
on of less relevant matter; that the 
lines are closer, and nd suppress type employed for less important details ; 
but owing to the great accumulation of materials, the work has swollen 
greatly in size, especially as earthquakes and thermal — have been 
in this edition much more fully discussed than in the former one. The 
