v? ADVERTISEMENTS. 

BETTER THAN EVER BEFORE. 
re of tage Staff and List of Writers, New Typ 
er. 
oved Qua of Pap Progress in Ever ry Respet. 
TAE T ESERVER 
A medium of interchange of observations for all students and lovers of nature. Devoted to all departments 
of nature studies 
E. F. BIGELOW, Editor and Publisher. 
ASSOCIATE EDITORS: 
M. * ip hee eh M.S. Diggit 3th at ky 
ry Ornithology , Portlan [Mas 
N.A. Pia Entomology, Norwic 
Miss C. ANTOINETTE SHEPARD, Bec jotany, 
w Britain, Conn. 
riginal, araug, Don’t fail to try it for 1891. 
Only at cen wired year 
‘Keep yo to observe the wonders 
and beauties of pe Pa oe world) ts is ” the motto of 
Tue OBSERV 
hill 

1 fi thr ough 
ens wond; are you interested in birds, lower, — 
ocks or have youa microscope? Then you will 
be cine ‘with THE OBSERVER. 
Address, E. F. BIGELOW, Publisher. 
THE OBSERVER, 

No. 5 Waverly Ave. i » Portland, Conn. 


Walker Pusds in Natural History. 
The gape ragaie) OF NATURAL HISTO 
of 
to $100, and a nd prize 
ag. gore on 2 OE the following subjec 
offers a first prize of from 
m $ 
a sum not aon $50 for the best memoirs, in 
original investigation into ts of z problems connected with the 
An 
geology of the last ice epoch in New En 
land; any of the glacial features, as fox 
ngia 
instance the dist eaei and hist tory of moranial deposits and eskers, Or of s 
elected. 
plains may} be s 
2. An original investigation into the recent changes of level of the whole or of 
a part of the page he of the eastern United States. This inquiry must include 
observations on 
margins PAN subi ape for 
3. A 
pros a of the phenomena exhibited by elevated sea 
of any river gece in New England containing an are a of not les 
e 
mo mpanied by 
name and superscribed by a motto ga ilo ng to one 
be ed to etary on or before April Ist, 7853. Prizes will not 
eve 
a sealed envelope rE the author's 
bor y the manuscript, 
be awardd saen the memoirs are deemed of adequate merit. 
rther particulars apply to 
r fu 
Asipa, T I, I891. 
SAMUEL DEXTER, Secretary. 

FOR SALE. 
Twenty different specimens of fos- 
sil plants from the Dakota Group 
Cretaceous will be sent to any ad- 
dress on receipt of $2.50. 
Send stamp for plate illustrating the set 
and list of 100 specimens. 
CHAS. H. STERNBERG, 
LAWRENCE, KANSAS. 
P. O. Box 60, 

Betulites vestii, var, ovalis Lx. 


