NOTE, 
The results presented in this paper are based on a part of 
the observations and extensive collections made under two grants 
of fifty dollars each from the Emerson McMillin Research Fund, 
and some of the expense of publication is also met by a further 
contribution from the same fund. 
Wo. R. LAZENBY, 
F. M. WEBSTER, 
Joun H. SCHAFFNER, 
Trustees. 
