1892. ] A Vacation in the Hawaiian Islands. 411 
the xylol-absolute-alcohol process into a saturated solution of 
xylol and paraffine, then infiltrated with paraffine, imbedded, 
and sectioned with a microtome; again, the sections were coun- 
ter-stained on the slide with Bismarck brown and mounted in 
_ xylol-balsam. 
Acknowledgments are due Dr. John M. Coulter and Mr. 
D. M. Mottier of Indiana University for their valuable sug- 
gestions given in the direction of my work. 
Indianapolis High School. 
A vacation in the Hawaiian islands. 
DOUGLAS HOUGHTON CAMPBELL. 
As the vacation approached, the question arose, ‘‘Where 
shall I go for the summer?” With the numerous interesting 
regions within comparatively easy reach of San Francisco, this 
question was not to be answered without some deliberation; 
but finally the Hawaiian islands were decided upon, as prom- 
ising much of interest, both botanical and otherwise. 
Hillebrand’s Flora of the Hawaiian islands was procured; 
from it I obtained some idea of what might be expected in the 
_ Way of vegetation, and with much interest I looked forward 
to the moment when, for the first time, I should find myself 
Toaming in a tropical forest. Z 
On the 6th of July, behold me, then, a passenger on . 
Australia, bound for Honolulu. There is very little to recor 
nt enough but not eventful. 
fe in the Pacific after getting 
f land. None of the 
coast region, were seen 
ating sea-weed observed 
ie fish became abundant, but they pod ie 
only animals noted on the way over. Not @ ; 
a kind was seen after the first day, and the vast asain 
_ Water was unbroken by any sign of life. The piongioet” car 
_ Mously-deep, and of a blue so vivid, that one can a a eatees 
eve that a handkerchief dipped into it would come 
