REVIEWS AND BOOK NOTICES. 163 
an attempt here would be a work of supererogation. It should 
however be stated that the author very often follows the lead of 
those who announce — apparently without sufficiently careful 
comparisons —the identity of many European and American forms ; 
we are convinced that such instances will be hereafter shown to be 
exceedingly limited in number. : 
e work is one of great importance, and an indispensable 
hand-book for any entomologist engaged in the study of Butter- . 
flies. It is printed in a compact form, modelled upon a good plan 
and published at a reasonable price; we trust that it may com- 
pensate the compiler for the labor, vexation, and patient study 
which such a task required.— S. H. S. 
TorograrmicaL Arias or Massacuuserts.— There has been 
recently published a topographical atlas of the state, which is of 
such a character as to demand special consideration. It was com- 
piled by Messrs. Walling & Gray, and seems calculated to mee 
an existing and long-felt want. ; 
It opens with a general view of the topography of Massachusetts, 
Which is followed by a succinct summary of its history by Albert 
H. Hoyt. This summary contains a statement of some of the 
more important events characteristic of the period of settlement, 
of the colonial period, and that of the commonwealth proper, with 
lists of the most prominent public officers. 
A rather complete history of the railways of Massachusetts is 
sven by Edward Appleton, Railway Commissioner, while there 
appears in another part of the work an abstract of School Re- 
turns, includin 
United 
aa being many modifications suggested to the son by more 
— Studies. While the classification of the rocks is by no 
n satisfactory to the writer, the identification of many of the 
Eo being very questionable, and while the recognition of the 
bered : as organic is certainly premature, it should still be remem- 
that the geology of Massachusetts is in no wise as yet 
