EXPLANATION OF THE PLATES. 



245 



PLATE IV. 



Fig- 



1. Anthidium manicatum S . 



2. Chelostoma florisomne ^ , 

 2a. Mandible of Chelostoma 



florisomne $ . 



2b. Labrum of Chelostoma 



florisomne $ . 



2c. Apical segment of Chelo- 

 stoma florisomne S , 



2d, Profile of tlie abdomen of 



Chelostoma florisomne $ , 



. Fig- 



3. Stelis octomaculata 5 . 



4. Saropoda bimaculata$ . 

 4a. Face of Saropoda bimacu 



lata 5 . 



5. Ceratina ccerulea, 

 5a. Wing of Ceratina, 



6. Wing of Saropoda. 



7. Wing of Eucera. 

 *8. Wing of Ammobates. 



PLATE V. 



1. Epeolus variegatus $ . 



2. Hermaphrodite. — Antho- 



phora acervorum, 

 2a. Under side of the Herma- 

 phrodite. 



3. Bombus lapponicus ^ . 



4. Apathus vestalis $ . 



6. Wing of Apis mellifica. 



6. Wing of Anthophora. 



7. Posterior leg oi Apis meU 



8. Posterior leg of Apis mel- 



lifica ^ . 



9. Labrum of Bombus terres- 



tris $ . 



10. Labrum oi Apathus cam- 



pestris, 



11. Posterior leg of Bom- 



bus $ . 



12. Posterior leg of ^^a^^w5 $ . 



lifica $ . 



PLATE VI. 



1. Labium of Colletes Davie- 

 sana 5 . 



Maxilla of Colletes Davie- 

 sana $ . 



3. Labium of Sphecodes gib-- 



bus $ . 



4. Maxilla of Sphecodes gib- 



bus^ , 



5. Labium of Prosopis sig- 



nata $ . 



6. Maxilla of Prosopis sig- 



nata $ . 



7. Labium of Halictus deuco- 



zonius $ , 



8. Maxilla of Halictus leuco- 



zonius $ • 



9, Labium of Andrena la- 



bialis $ . 



10. Maxilla of Andrena la- 



bialis 5 , 



11. Posterior leg of Andrena 



atriceps 5 . 



12. Labium of Macropis la- 

 biata ^ . 



13. Maxilla of Macropis la- 



bia t a $ . 



* The genus Ammobates is not described in this work ; it is re- 

 ported to have been taken in England, but the circumstance requires 

 confirmation. 



