302 Bibliography. 
hard has received many and large additions, increasing very much 
its value. It makes the previous editions apper r altogether antiquated. 
The author in his Preface, observes ‘ that on commencing the prepara- 
tion of the new edition (fourth) he found that nothing short of an en- 
tire remodelling of the preceding edition would in any way satisfy his 
notions of what such a treatise should be.” He was led therefore to 
undergo te i, is entirely new; and another on the structural ele- 
ments of the human body and the vital actions which they exhibit, is 
cae so. The: ae also in the Sepier: on the functions of the 
awi 
tions and Sections of Geometrical Solids; Archilectur 
Mechanism and Topographical Drawing ; with Bevis ny on ap 5 Method 
of of tetohing “ subject. For the use of Academies and Common 
Schools ; by D. H. Manan, LL.D., Professor of Civil Bogiveong 
&c., &c., in the U.S. Military Academy. 156 pp., 8v w York, 
1852: J. Wi iley.—The ability and a cla of the Be of Prof. 
Mahan of West Point are well known. This volume is one much 
chemical components of the human body and the changes which they | 
mprovements in making Sugar.” Articles on agriculture, vine of: 
ture, merino s eep, and feat miscellaneous articles of pract! 
value or general interest close the number. This Journal will be found 
highly peer ip all engaged in the mechanic arts, to any who ar 
terested in nts or inventions, to the miner and worker in me 
the Ptutinic. and not less, to the man of science or genera Tea 
ides original papers, it presents’ records of recent dis 
in this country and Euro ope, and also full lists of patents issued i in t 
nue Siates, with explanations or details of those of spare Pith 
- 
es: taitution, to the Senate and House of Repres sentaltoe showing 
the year 1851, and the Proceedings of the Board of Regents ™P. # 
Be I PP-, 8vo. Washington, 1852.—This institution is pursuing 
a noble course in its publication of original works and m 
comin a real advance in knowle dge. It is thus becoming ® 
Source of new truths from which all may draw who wish to Pp 
the conan enlightenment and progress of the country. We not us 
