Fig. 4.—Digestive System of Bee (magnified ten times.) 
A, Horizontal section of body; lp, labial palpus; mx, maxilla; oe, eye; dv, 
.dv, dorsal vessel; v, ventricles of the same; No. 1, No. 2, No. 3, salivary 
gland systems, 1, 2, 3; ae, oesophagus; pro. t, prothorax; mesa. t, mesathorax; 
meta. t, metathorax; g, g, ganglia of chief nerve chain; n, nerves; hs, honey 
-sac; p, petaloid stopper of honey sac or stomach-mouth; c. s, chyle stomach; 
bt, biliary or ~-malpighian vessels; si, small intestine; 1, lamellae or gland 
plates of colon; li, large intestine. B, cellular layer of stomach; gc, gastric 
cells, magnified 200 times. C, biliary tube—bc, bile cells; t, trachea. D, 
inner layer, carrying gt, gastric teeth. (From Cheshire by courtesy of L 
“Upeott Gill, London. 
