52 
THE NATUBAL SCIENCE JOUBNAL. 
THE 
Natural Science Journal 
PUBLISHED MONTHLY BY 
THE ATLANTIC SCIENTIFIC BUREAU, 
1036 Acushnet Ave., New Bedford, Mass. 
TERMS OF SUBSCRIPTION. 
Single Subscription . . . $1.00 per annum. 
Sample Copies.10 cents . 
In the U. S., Canada and Mexico. To otiier countries, 
$1.25 per annum. 
Advertising Rates. 
73 cents per inch ; <f2.00 quarter page ; ’^3.30 half 
page and §6.00 per page. 23 per cent, discount on 
standing contracts. 
All remittances should be made payable to E. G. 
HILLMAN, Treas. 
Entered at the Post Office at New Bedford, Mass., as 
second-class matter, March 9th, 1897. 
NOTICE OF WITHDRAWAL. 
As we have had no response to our 
Free Scholarship offer, we feel that the 
offer is not appreciated, and hereby with¬ 
draw it. We still offer very liberal terms 
to those wishing to act as our agents. 
Write for terms. 
Last month we announced that we 
should this month open a new depart¬ 
ment, that of Ornithology and Oology. 
We have kept our word and have done 
still better, and present this month for 
your approbation, a new' department, 
that of Microscopy, under the editorship 
of Prof. Arthur M. Edw'ards, M. D. ; of 
Newark, N. J. Prof. Edwards is w'ell 
known in the scientific world, and all 
may be assured that the department of 
Microscopy will be conducted in a thor¬ 
oughly interesting and scientific manner. 
We have the subscription list and un¬ 
finished business of the Interchange, and 
shall carry out its unfulfilled contracts 
for advertising, etc. 
The lateness of this issue is due largely 
to “La Grippe.” AUe shall endeavor to 
be oil hand promptly hereafter. 
WE have received many congratulatory 
notes concerning our first issue. 
The well-known collector, Mr. James 
Angus, wTites : “I should judge from 
the imposing array of your editorial staff 
and from this first number of your maga¬ 
zine, that you had come to stay.” 
Mr. G. O. Greene of Princeton, Ill., 
says : “I think your paper fills a gap 
that papers in the past have over-looked, 
viz : Geology, Archaeology, Mineralogy, 
Botany, Ornithology and Oology, etc.; 
these all combined under one cover, edi¬ 
ted by able students, will form a valuable 
journal of study which the student will 
not be slow to appreciate.” 
A REMARKABLE discovery is narrated 
by Professor Carter to the Academy of 
Sciences of Philadelphia as being made 
lately near Three Tans, Montgomery 
county. Pa. In a sandstone quarry at 
that place an iron tree has been found 
embedded in the rock seven feet below 
the surface. The tree is about 18 feet 
long and about 18 inches in diameter, 
and has been completely turned to iron, 
or rather to the iron ore knowm as 
brown hematite; and Professor Carter 
accounts for the phenomena by the fact 
that the shales and the sandstones in 
the neighborhood are covered with 
red oxide of iron, and sometimes with 
browm hematite. It is presumed that 
the iron ore w’as reduced by organic 
matter, and that it was made soluble 
in water containing carbonic acid gas; 
then, as the w'ater holding the iron in 
