554 ZOOLOGY. 
In the German paper he justly compares, as far as function is 
concerned, the winged males and females of the one form, and 
the wingless males and females of the second form, with those 
plants which produce flowers of two forms, serving different ends, 
of which so excellent an account, by his brother, Hermann es 
has lately appeared in ‘* Nature.” 
The facts, also, given by Fritz Müller with respect to the oa 
less bees of Brazil, will surprise and interest entomologists— 
CHARLES Darwin. 
“ For some years I have been engaged in sany the atar 
history of our an of which I have had more than a dozen 
living species at my disposition. The several species differ much — 
more in their “habits and in their apa than is generally : wale 
sumed. In most species there are two sets of neuters, Vila 
laborers and soldiers ; but in some speelsa ( Calotermes Hag.) the 
laborers, and in others (Anoplotermes F. M.) th 
from what we see ba social meee bi aro pa 
(or so-called neuter) Termites. In some species 
male soldiers may even externally be distinguis 
female ones. I have been able to confirm, in almos 
species, the fact already observed by Mr. Smeathman 
species. Teades the nged males and pane E 
duced in vast numbers, aca which, eae ing the termit 
swarms, may intercross with those ’ produced i in other comm 
there are wingless males and females which never leave 
itary where they are ey ~ which ei the wi ae ne 
females, whenever a community does not find i cies of Bl : 
king or queen. Once I found a king (or a speci 
: om 
one such ¢ 
sale they raised solely a few "wingless m ales an itary; 
free from danger, might remain in “their native terre intel 
who does not admit the paramount importance O 
