Bui. 1, new Aeries, Div. of Entomology, U. S. Dept. of Agriculture. 



PLATE I!. 



DIGESTIVE SYSTEM OF BEE (magnified ten timei). 



A, Horizontal section of body; Ip, labial palpus; mar, 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, oasophagus; pro.t, prothorax; mesa.t, mesathorax; meta.t, metathorax; g, g, 

 ganglia of chief nerve chain ; n, nerves; /is, honey sac; p, petaloid stopper of honey 

 sac or stomach mouth; c.s, chyle stomach; bt, biliary or Malpighian vessels; si, 

 small intestine; I, } ^nellaeor gland plates of colon; /, large intestine. 



