Mineralogy and Geology. 293 
y be termed, enact a series of most important functions. ae 
sti of Daubrée on Metamorphism, Ann. des Mines, [5], xv nfs 
Smithsonian Report, 1861, have elucidated, in the most clear and striking 
manner, the conditions and results of the action of warm water on the 
vi eg en and have shown that cerytallised neg may be 
produced fi m them y its influence ay and Eichhorn (this Jour., 
xxvii, 7 1-85) h ave made it in the highest degree ioe that the 
absorbent power of soils for the alkalies is due to the action of amor- 
phous oe compounds; and it is hardly to be questioned, that the 
bad) results of tillage and many of the hitherto inexplicable 
effects of manures, will be found to bear close relations to the processes 
of soil- Pe a in which silicates, water and carbonic acid play 
the chief par 8. W. J. 
IV. MINERALOGY AND GEOLOGY. 2 
: 1. Manuel de Minéralogie par A. DesCiomzEavx, Maitre de conférence 
a "Bole Normale supérieure, etc. Tome premier, 572 pp., 8vo. Paris, 
—s of mineral species, a and b se means, Gatiacially the form as 
Town new light on doubtful cesta, ig BR many that Nate ‘been 
Smed together, and referred others, supposed to be distinct, to 
, cir true places. Many of these results hbes taal been mentioned 
nefly in former numbers of this Journal,’ and it is hardly necessary to 
Pal into details in this place. Suffice it to say that the work is a source 
original information on minerals, indispensable to all who are inter- 
ested in having an accurate knowledge of species. 
2. Report on the Geological and Mineralogical specimens collected by 
Mr. C. F. Haut in Frobisher Bay.” 
one New Yous Lyceum or Naturat History :— 
One of your committee, appointed to examine the collection of min- 
i and fossils. made by Mr. Chas. F. Hall in his late Arctic ey enn 
Pedition, begs leave to report, that he found ao an ate fossils 
‘mall in number of individual specimens, and lim n the range of its 
Ly but t possessing great interest to the pres rat vot Atoti geology. 
€ S] 
pecimens are as follows :— 
Maclurea magna (Lesueur), No. of specimens 7 
Casts of lower surface. We ee 
E; “ “ 1 
_ Ort y worn ime pea. 
Heliolites (new spec ele wee - . oe 
Helio ag . 4 
Halysites catenulata (Fischer), = eke ae 
Receptaculites (new species). . no 
This collection was made at the head of Frobisher Bay, lat. 63° 45’ N., 
: » Lh xx. 270, xxv, 896, xxix, a peas te medina 
* Communicated to this Journal by the L 
AM. Jour. Sci.—Seconp Sens, VoL. XXXV, Ko. pratt 1863. | 
38 
