E < | Entomology. — 577 
_but in time all of these perished without bringing any green leaves 
_ to the surface.— W. F. Beal, Agricultural College, Mich, 
. 
EXPLANATION OF THE PLATE. 
No. 1. The first of those to come up, where the hilum was placed uppermost, 
usually took the form of this figure. ‘ 
No. 2. This represents one of those in which. the hilum was placed uppermost. 
No. 3. In this case the seedling is still struggling to send its plumule to the sur- 
face. The cotyledons, which were at d have been rubbed off by the 
movements of the young plant through the sand. 
0. 4. One plant is here represented in which the partially-exhausted cotyledons 
had been rubbed off. 
0. 5- represents one specimen in which the cotyledons have disappeared 
and the plumule has decayed. 
No, 6. In this case the cotyledons have disappeared; the plumule and primary 
leaves were still green; some of the roots were still fresh in the soil, though the 
lower end of the radicle was elevated nearly three inches above the surface of the 
sand. : 
OJ- 
were much like this figure, and likely to succeed in becoming good 
No. 8. Nine out of twenty-five planted as a i n 
 Yadicle-with its roots nearly straight up out of the soil, sometimes as much as two 
and one-half inches, when the seedli perished. 
[All the figures were made by Will. Holdsworth. ] 
Six out of twenty-five planted in open ground with the hilum uppermost 
od plants. 
ENTOMOLOGY. 
known as “ Water-Boatmen.” Of these, the more abundant 
ected with 
attracted my attention. Other duties interfered with the com- 
_-__¥This department is edited by Prof. J. H. Comstock, Cornell University, Ithaca, 
-N. Y., to whom communications, books for notice, etc., should be sent. 
