iS 



MOUTH OF SOLITARY BEES. 



[CHAP. 



though the bees belonging to this genus feed their 

 young on honey and pollen, they can only get the 



FIG. 15. 



FIG. 1 8. 



FIG. 17. 



FIG. 19. 



FIG. 15. Mouth-parts of Andrena, seen from below pa, paraglossse ; //, ligula; 

 //, labial palpi ; pm, maxillary palpi ; mt, mentum ; st, stipes ; c, cardo ; o, eye. 

 FIG. 16. Of Halictus. FIG. 17. Of Panurgus. FIG. 18. Of Halictoides. FIG. 

 19. Of Chelostoma. 



former from those flowers in which it is on the 

 surface. In Andrena (Fig 15), Halictus (Fig. 16), 



