TRANSFORMATIONS OF INSECTS. 
THE NERVOUS SYSTEM OF A FULL-GROWN BEE—A DRONE. (Maznified. ) 
a The brain and nerves passing to the ocelli or small single eyes. & The nerves ot 
the antenne. c¢ The optic nerves, reaching from the side of the brain to the back 
of the great side eyes. @ The ganglion beneath the gullet—the sub-cesophageal ; 
it is immediately behind the brain. e¢ The first ganglion of the thorax, or the 
prothoracic. / Mesothoracic ganglion. g Metathoracic ganglion. 44 Abdominal 
ganglions. (Compare this with the representation of the nervous structures of the larva.) 
