Eighth Supplement to Dana’s tliat 363 
which they were struck at their creation was not broken, but anew 
edition produced in these latter days. The work perhaps may 
different cnelsions and it may not become me to s as that their 
orale are wrong. I would only add that when fossil tracks 
were first disco vcted ‘there was so little known of the formation 
of the feet of fossil or of living animals, and particularly of their 
footprints that it is possible the first discoverers might have been 
en as to the ornithic character of the footprints. 
study of Bee fossils so very ee to the geologist and 
sandstone beds. Very few indeed have any conception of the 
marvelous perfection of this fossil inscription, or of the multi- 
tudes of once living creatures whose existence they commemorate. 
March, 1 3800. 
science, but like Hoel Miller has hammered his calor out of the rocks 
rs of the foot-marks of the Connecticut sandstone, and his testimony 
48 to the iy gee i on ie of their probable character and. 
ongin, has the f a conviction making head in an honest mind 
against all the igh ne bias “ofl opposing authorities. — Eps. 
HH 
Arr. XXXII. Zi ghth Supplement to Dana's Mineralogy ; by 
Gzo. J. BRusu, Profasede ae Metallurgy in Yale College.* 
List of Works, ete. 
X. M. Zerg: Lehrbuch der een mit naturhistorischer Grundlage. 
ni 8vo, mit 2 334 Fig. Wien, 1 a ale 2 
, a ues biréfring 
ticniation des : Sur how ps propre optique oo ery gg 
wes y, am Pp éces ristallisées 
oes Bie sur ag oe ee Roches granitiques, pp. 77, 8vo. Ex- 
ae FN : Blem oe , itncee ig vermehrte und verbesserte 
8¥0, p Pp. p. 460, mit “788 Fig. Leipzig, 185 
ie » Ruscla nds, dri 
Lie 
You Koxscuaro rialen r Mine ral itter Band, 
tru a As 128, yi ae St. t. Petersburg, 1859.—This continuation of Kok: 
work, contains monographs of the species garnet, magnetite, anal- 
n the e endeavored to give an abstract of the 
absence ~ etnies ben lished since the appearance of the sev- 
‘ eath Supplement, —a. J. papas sees Haven, April 1, 186 
