4 6 



BEES AND BEE-KEEPING. 



ventral side of the body, since the ganglion below 

 it (Fig. 12) sends off two short and curved straps 

 (really nerve bundles), called the oesophageal collar, 

 which embraces the oesophagus, or food passage, above 

 which the front mass, or brain, lies, denominated, in 



Fig. 11.— A, Nerve System of Bee Larva ; B, Nerve System of Adult or 

 Imago (Magnified Five times) ; C, Ganglion (Magnified Sixty times). 



a. Antenna ; mx, Maxilla ; m, Mandible ; w, Wing ; 1, 2, 3, 4, 5, Ganglia ; n, Nerves ; 

 en, Nerves escaped from Sheath ; nl, Neurilemma ; gc, Ganglion Cell ; ef, Com- 

 missural Fibres ; rf, Reflex Fibres. 



consequence of its position, the supra-cesophageal 

 ganglion. From reasons presently to engage our 

 attention, it is clear that this ganglion is the seat of 

 intelligence, and that impulses from it dominate the 

 rest, but that the latter are also capable, undirected, 

 of initiating properly concerted movements. A study 



