ORDER BYMKNOPTERA. L63 



Looking at the head, \\ I the 



compound i to be very large, while the three 



simple i i lii) are arranged in a triangle on the top of 



the head. The antennae ar< ler, and elbowed or 



at the end of the lo i joint The large clypeus 



acceeded in front by the short, movable upper lip 

 (labrum). 



The mouth-parts are rather complicated, and it is their 

 complexity or high degree of specialization which for the 

 most part gives the bee and others of its order their supe- 

 rior position over other insects. 



The jaws are rather large, and cross each other in front, 

 and are much as in beetles and grasshoppers, being ada] 

 for biting. On the other hand, the accessor) jaws, or max- 

 ilia-, are different from those of any other They 



arc long and slender, and, with the under lip, bent under 

 the head. They consist of three joints, the last formh 

 long flat blade. Prom the I joint arises a minute 



two-jointed feeler (palpus). 



The under lip is, bowever, the ni< uliarly modifi . 



1; consists of three parts; the two outer forming the 

 and ending in three small joints, while the middle div 

 is the BO-called tongue (Fig. 205, /). It is a thin-skinned, 



long, flexible, very hairy rod. ending in a sj n-shaped 



button; extending this into flowers, the bee gathers the 

 Dec tar. The mouth-parts are thus a set of complicated 

 the jaws for biting ami lor use a- trowels in making 

 it< waxen cells, the sharp lancet-like maxillae for 1 

 flowers, ami the tongue a Bort of writhing, hairy rod, 

 gathering the sweet liquid secreted at the bottom 



'The wings are seen to be clear and perfect!) 

 with no scales. They are formed of a clear menibr 

 heme the name of tin- order to which the : 

 Hymen . or membrane-winged. The 



irregular, inclosing a few cells. The hinder 

 than half as large a- the front pair. 



Tin' legs arc not very long, hut very hairy, and the 

 hinder ones have flattened shanks, while t 1 • first toe-j< 



