Grorham’s Elements of Chemistry. 333 
Tt appears, however, from his preface, that this was not 
original motive; he remarks: “ the work which is now 
offered to the public, was originally intended, by the author, 
as a text-book to the lectures delivered by him, to the med- 
ical students, and under graduates of Harvard University.” 
This object, was unquestionably a correct one, for it would 
generally be advantageous to every class, to have the pecul- 
iar course of instruction which they are to receive laid be- 
fore them in a concise and perspicuous printed form, for 
most students in a college have no time to do any thing more 
than to follow their instructor, in the shortest route possible, 
and in general it is of very little use torecommend to them 
perusal of vari 
purpose above mentioned, and at the same time, be sted 
ed to a elite of readers who might wish to acquire a 
pee on of the laren settee enon e ntering. _— 
cate npn ne a Ne ek 
peo so sn ee shall. eae eons that of 
Dr. Henry, and on the other, less extended than the elabo- 
rate and profound system of Drs. Thompson and Murray, 
will be sufficient to include the most important facts im 
chemistry without tasking the memory of the student with 
amass of matter, the knowledge of which, though indis- 
—, to ae operative chemist, must be eee od 
‘the general scholar.” beer observes: with's ty 
aera ioe fl mea pl 
determining the value of opposing doctrines. 
Perhaps this work may be regarded as occupying a arcs 
onus arenes et Ie does not t claim to } ent a 
ctor wane oo sence = size—as those 
bu atone Jacquin, Heron, Park, and the Conversations on 
