34 



TRANSFORMATIONS OF INSECTS. 



THE NERVOUS SYSTEM OF A Ftn.L-GROWN BEE — A DRONE. (Magnified.) 



a The brain and nerves pa.ssing to the ocelli or small single eyes, b The nerves of 

 the antennae, c The optic nerves, reaching from the side of the brain to the back 

 of the great side eyes. d The ganglion beneath the gullet — the sub -oesophageal ; 

 it is immediately behind the brain. e The first ganglion of the thorax, or the 

 prothoracic f Mesothoracic ganglion. g; Metathoracic ganglion. h h Abdominal 

 ganglions. (Compare this with the representation of the nervous structures of the larva. ) 



