THE HYPOPHARYNX 



81 



FIG. 86. Tonq-ue or liarnla of the honey bee: A, under side of the tongue; 7;>, labial palpi; 

 r, r, rod ; j>. pouch ; //, sheath ; git, gathering hairs ; //, boiiton or spoon. B, under lip or labium, 

 with appendages, partly dissected ; /, lora or siibmentum ; a, a, retractor lingme longus ; ml, salivary 

 duct ; >/> and l>, retractor lingua- biceps ; -1,1.1; maxilla' ; lj>, labial palpi ; pit. paragloBsa ; ;//'. feeding 

 groove ; */(, sheath of ligula. C, D, E. sections of ligula ; hj>. hyaline plate of maxilla ; //, hairs acting 

 as stops; in.r, maxilla; fj>, labial pal[ii ; .W, side duct, ^cross-section of extremity of tuuiMie 

 near the "spoon" ; th, tactile hairs ; r, rod; 1>, nucleus; yh, patherins: hairs. G. cross-section of 

 tongue without gathering hairs, x 4HO times; ah, shcalli; 1>, blood sjiac-e ; /. trachea: ;/;/. gustatory 

 nerve; cil, central duct; ad, lateral duct; jnn. plaited membrane. //, same as (?, but magnified 

 two hundred times, and with jitn. plaited membrane, turned outwards ; //. closiii'r hairs ; //<. labial 

 palpi ; l>, blood ; ti, nucleus; r, rod ; h, closing hairs. /, small portion of the sheath ; lettering as 

 before. K, extremity of the tongue, with spoon ; b, branching hairs for gathering. After Cheshire. 



