ORGANS OF SPECIAL SENSE. 



I II 



two antennae, give the astounding number of 37,800 

 distinct organs. When I couple this development 

 with the greater size of the eye of the drone, and 

 ask what is his function, why needs he such a 

 magnificent equipment? and remember that he has 

 not to scent the nectar from afar, nor spy out the 

 coy blossoms as they peep between the leaves, I 

 feel forced to the conclusion that the pursuit of the 



fMYm§m * 



C 



Fig. 22.— Parts of Surface of Antennae (Magnified 360 timei). 



A, Portion of Front Surface of One of the Lower Members of the Flagellum (Worker 

 or Queen)— s', Smelling Organ ; /', Feeling Hair. B, Portion of Side and Back 

 Surface of One of the Lower Members of the Flagellum ( Worker)— h, Ordinary 

 Hair; c', Conoid Hair; ho (Auditory?) Hollows. C, Portion of One of the 

 Lower Members of Flagellum (Drone), Back or Front; lettering as before. 

 D, Portion of Lower Member of the Flagellum (Back, Worker or Queen). 



queen renders them necessary, and that sight and 

 scent are the faculties by which this is accomplished. 

 The same wondrous little head that carries the 

 antennae, with their bewildering multiplicity of parts, 

 bears on its sides the extremely large compound, 

 or faceted eyes (Plate II., or A, B, Plate IV.). The 

 hand magnifier is sufficient to show something of 

 their structure, revealing that the beautiful satin-like 

 appearance they possess is due to their glistening 

 surface being divided into hexagonal convexities (H), 

 disposed precisely like the cells of honeycomb. 

 Each convexity, or facet, is little more than y^-in. 

 in diameter, and is, really, the outside of an indepen- 

 dent instrument of vision. Between most of these 



