NO. 14 SENSE ORGANS ON MOUTH-PARTS OF BEE McINDOO 



25 



Fig. 2. — Internal anatomy of variety c of spinelike, innervated hairs of worker 

 honey bees, x 580. A, smallest and B, largest of these on flagella of antennae ; 

 C from base of scape of flagellum ; D from maxilla; E from maxillary palpus; 

 F from labial palpus ; G from proximal end of mandible ; H from base of para- 

 glossa; I to K from cervical plate; L from just inside buccal cavity; M from 

 side of head, near base of mandible ; N from median line on top of head, over 

 pharyngeal plate; O from palpiger; P from side of mentum; Q from middle of 

 glossa, the hair being from a whole mount and the hair socket (HrSk) from 

 section ; R from tip of glossa ; S from dorsal and T from ventral surface of 

 labrum ; U from tip of maxilla. All of these hairs, except ci to c 3 , may be located 

 by referring to figures 7, 8, 9 C and 10. They were taken from pupa and imago 

 workers of various ages. See page 54 for explanation of abbreviations. 



