126 Scientific Intelligence. 
metamorphosis takes place, and although the base of the peduncle may 
be the analogue of these antenne, the main part corresponds to the 
front or cephalic portion of the body, which is elongated. 
The Cirripeds are toa great extent hermaphrodites. Mr. Darwin has 
arrived at many interesting results on this subject, and some that are 
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Darwin traced so many resemblances in the organs that existed to those 
of the females, that in view of the facts, he concludes, ‘that the evi- 
described, is the male of [bla Cummingii.”” Mr. Darwin has observed 
further that in the genera Ibla and Scalpellum there are both females 
Ss. : 
“In looking for analogies to the facts here described, I have already 
from the Order to which they belong, as do t male parasitic Cir 
peds ; som ese females, like the males of the first three spec 
of Scalpellum, do not feed, and e, I believe, have their mouths @ 
