Walker Pres tn Patural History 
Y the provisions of the will of the late Dr. William Johnson Walker two prizes are agen offered by the 
Boston Society of Natural ny for the best memoirs written in the English language, on subjects 
= posed by a Committee appointed by the Council. 
r the bes memoir Bogen ted a prize o of s sixty dollars may be awarded; if 
marked bi the amount m hundr ed dollars 
Ani} 
aou 
however. the memoir be one of 
at the Hecietion of the Committee 
ars my be awarded. 
Prizes will not be awarded unless the memoirs | presented 
are of ad 
The competition for these prizes zs mot restricted, but zs Pv toa 
Aa 
ts. 
In all cases the memoirs are to be based on on a considerable body of original and blished work, accom- 
eid iby a a general view of a pe ae of the ro 
hi hh, i? 
4 
Any thing in the mem 
ring the essay caps, competitio 
f the identity of the author shall be considered as debar- 
fad 
Preference will b 54 i I f being t d Pp I made direct] ly 
in competition for the prizes 
Each memoir 
1st of on year for which the prize is offere: 
The 
‘o one borne by ‘the cpt Bade sie must res in ecg y bere' SF . Sacer on or before Prser- 
d, 
ociety assumes no en gear for publication of tamer submitted, 
BJECTS FOR 1 
me and superscribed w 
x. An experimental re “study i in riba tig 
2, Acontribution to ig petition in plants, 
3- A physi cap cal life h history f a single sp plant 
4. Phylog f il organi 
tre” study i in stratigraph 
6. A research in minera Et 
7. A study of entectics in pak penta, 
8, A study in river capture 
SUBJECTS FOR 1907: 
<i 1 plan 
2. The development of the gametes in any lied a representative of the Coniferales, 
3. The anatont Tr gro 
a: dh : a h ath 
5. bse habits and structure = “any species = the Si yrepoda. 
6. . soe 
Boston oe or NATURAL History, 
Boston, Mass., U.S. 2 
= 
GLOVER I. ALLEN, Secretary. 
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