OR, MANUAL OF THB APIARY. 



33 



as the word " insect " comes from the Latin, and means to 

 cut in, and in no other Arthropod does the ring-structure ap- 

 pear so marked upon merely a superficial examination. More 

 than this, the true insects wlien fully developed have, unlike all 

 other Arthropods, three well-marked divisions of the body, 



Fig. 1. 



Sespiratory Apparatus of Bee, magnified — After Duncan. 



a Head, b Thorax, c AMomen, d Antennse, e Compound Eyes, f Air-sacB, 

 qg' g" Legs,/' Tracheae. 



(Fig. 1), namely : the head (Fig. 1, a), which contains the an- 

 tennae (Fig. 1, d), the horn-like appendages common to all 

 insects ; eyes (Fig. 1, e), and mouth organs ; the thorax (Fig. 

 1, b), which bears the legs (Fig. 1, g-), and wings, when they 

 are present; and lastly, the abdomen (Fig. 1, c), which, though 



