Plate I. 



Digestive System of Bee (Magnified Ten times). 



A, Horizontal Section of Body— Ip, Labial Palpus ; mx, Maxilla ; e. Eye ; dv, dv 

 Dorsal Vessel ; v, Ventricles of the same; No. 1, No. 2, No. 3, Salivary Gland 

 Systems, 1, 2, 3 ; ce, (Esophagus ; 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 ; I, Lamellae 

 or Gland Plates of Colon ; U, Large Intestine. B, Cellular Layer of Stomach— 

 gc, Gastric Cells, magnified 200 times. C, Biliary Tube— 6c, Bile. Cells - t 

 Trachea. D, Inner Layer, carrying gt, Gastric Teeth. 



