Miss Apis’s Wings. 63 
walk about, but when she starts to fly, 
she spreads them out, a ss on aa side 
the two wittes ff , We on either 
/ were to separate] BW 
other and let the air between them, her flight 
would be spoiled, and she would go tumbling 
along in an ungainly and mortifying manner. 
That this may not happen, she 
\ SS the 
te aN upper 
y lane wing and the lower 
small one together, when she raises them for 
flight, so that the two are as firm as though 
they were but one. She is enabled to do 
this by a row of hooks on the lower wing 
which fit into a groove on the 
upper = 
wing, as wings hoored Mf 
you can seein the ~~ picture. The { 
wings fit so closely together when hooked 
that you would not discover there were two, 
unless you looked very carefully indeed. 
