EXPLANATION OF THE PLATES. 



245 



PLATE IV. 



Fig. Fig. 



1. Anthidium manicatum $ . 3. 



2. Chelostoma florisomne $ . 4. 

 2a. Mandible of Chelostoma 4a. 



florisomne $ . 



2b. 'Labrum of Chelostoma 5. 



florisomne $ . 5a. 



2c. Apical segment of Chelo- 6. 



stoma florisomne 3 1 



2d. Profile of the abdomen of *8. 



Chelostoma florisomne $ . 



Stelis octomaculata $ . 

 Saropoda bimaculata $ . 

 Face of Saropoda bimacu- 

 lata ? 



Ceratina carulea. 

 Wing of Ceratina. 

 Wing of Saropoda. 

 Wing of Eucera. 

 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 J . 



5. Wing of Apis melliflca. 



6. Wing of Anthophora. 



7. Posterior leg of Apis mel- 



liflca ? . 



PLATE VI. 



8. Posterior leg of Apis mel- 



lifica 5 . 



9. Labrum of Bombus terres- 



tris ? . 



10. Labrum of Apathus cam- 



pestris. 



11. Posterior leg of Bom- 



bus 1 }. 



12. Posterior legof Apathus ?. 



1. Labium of Colletes Davie- 



sana $ . 



2. Maxilla of Colletes Davie- 



sana 5 



3. Labium of Sphecodes gib- 



bus $ . 



4. Maxilla of Sphecodes gib- 



bus $ . 



5. Labium of Prosopis sig- 



8. Maxilla of Halictus leuco- 



zonius 5 . 



9. Labium of Andrena la- 



6. Maxilla of Prosopis sig- 



nata ? . 



7. Labium of Halictus leuco- 



zonius J , 



10. Maxilla of Andrena la- 



bialis ? . 



11. Posterior leg of Andrena 



atriceps $ . 



12. Labium of Macropis la- 

 biata ? . 



13. Maxilla of Macropis la- 



biata $ . 



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

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

 confirmation. 



