MAY, 1894. No. 5. 
igor 
EDITORS: | | nae 
M. COULTER, Lake Forest University, Lake Forest, Ill. 2 os 
CHARLES: R. BARNES, University of Wisconsin, Madison, Wis. 
od C. ARTHUR, Purdue University, Lafayette, Ind. 
Me HESS 
CONTENTS: 
Leana.—Z. /. Hill. ; ue 
‘to the tad Of the Poniniccceces (With plate 
= (Wit tate XVIIL )= William Albert “Son 
of Gechauical testes: on the develorenent aed. es 
we (continued), —Frederick se Newcombe. _ ‘ 1gr 
J. Grout. 
wip. Byron D. Halsted. 
= 
