172 Mr. E. Saunders on British Hymenoptera. 



EXPLANATION OF PLATE. 



Fig. L Simple hair. 



2. Hair, with slight swelling near the base, as found in scopre of 



Andrena albicans $. 



3. Straight spiral hair, stomach of Ilegacliile argentata. 



4. Ordinary plumose hairs off MegacMle maritima, found also on 



the metathorax and body of many species. 



5. Branched hair, metathorax of Colletes eunicularia, 



6. Do. do. Colletes succincta. 



7. Do. scopa o^ Mao'ojjis lahiata $. 



8. Hair, with filamentary branches ; pollen-brush of Chelostoma. 



9. Do. tuft on metathorax of Andrena dorsata. 



10. Hair, with branches on one side only, off scopa of Andrena 



Afzeliella $ . 



11. Do. do. 



12. Rigidly-branched hair from scopa of Colletes cnnicnlaria $. 

 12a. Do. do. 



13. Spiral hair, with flattened and dilated apex, off inner side of scopa 



of Andrena varians. 



14. Metathoracic hair of Prosopis communis. 



15. Scopa hair of Cilissa leporina $, showing pollen grains adhering. 



IG. Portion of a hair off scopa of BasyiKula liirtipes $, showing the 

 club-shaped ends of the branches. 



