Bibliography. 455 
; le anda ee ape of added detail in the accompanying pages of 
hg press. ‘I'he maps have been prepared with the skill and knowl- 
 cisively and intelligibly to the eye. The subject of geology is first pre- 
sented, and the distribution over the earth of rock formations, includi 
; ‘volcanoes, i is seen ina general manneron Pl. 1. An elegant geological 
map of the British Isles is added. Another map or plate shows the dis- 
tribution of mountain ranges, their exact courses and relations. The ac- 
companying text treats of the mean heights and features of continents, 
i 8g peaks and 
: tot 
the courses 0 pe sie besa, hurricanes ; others, the 
vegetation _— regions, disisibutiog of plants and anirseli and of 
of m 
_ 4. Lake aera, its Physical Character, Vegetation and Animals, 
compared with those of other and similar Regions ; by Lovis Acassiz 
: nf pie 
. ether eons gentlemen, with appropriate illustrations; pp. 428, 
: Gould, aay: & Lincoln. 1850. 
and ele egances inters steed among the pages of t 
scientific remarks by Prof. Agassiz, on the various chess which 
led themselves in the progress of the tour which was included 
by the naturalists and pupils and amateurs in a party of sixteen, 
intelligently and si 28 ander their ais vag and accom- 
leader 
most important scientific a are given separately in an 
to the narrative, and are included under the following heads. 
e Superior—Physical arene Vegetation and Animals, com- 
with those of other and similar regions. 
The northern vegetation compared with that of the Jura and the Alps. 
bservations on the vegetation of the northern shores of Lake 
AIL. Classifications of animals from Embryonic and Paleozoic data. 
Iv. ee sa upon the Coleoptera of Lake Superior, by Dr. 
John L. Le C 
A he ey of Shells, with descriptions of new species, by Dr. A. 
_ VI. Fishes of Lake Superior compared with those of the other great 
Canadian Lakes. 
