EXPLANATION OF THE PLATES. 



247 



PLATE IX. (continued.) 



Fig. 



2e. Lateral view of the apical 



segment of Cadioxys ru- 



fescens $ . 

 2f. -Lateral view of the apical 



segment of C. rufes- 



cens . 

 2g. Inferior plate of the apical 



segment of C. mandibu- 



2h. Under side of the head of 

 C. mandibularis $ . 



2i. Lateral view of the apical 

 segment of C. Vectis $ . 



2k. Lateral view of the apical 

 segment of C. Vectis $ . 



21. Superior plate of the apical 

 segment of C. Vectis $ . 



2m. Inferior plate of the api- 

 cal segment of C. Vec- 

 tis ? . 



2n. Inferior plate of the apical 

 segment of C. Vectis 

 (variety) $ . 



2o. Inferior plate of the apical 

 segment of C. quadri- 

 dentata J . 



2p . Superior plate of th e apical 

 segment of C&lioxys 

 quadridentata J . 



Fig. 



2q. Lateral view of the apical 



segment of Ccelioxys 



quadridentata $ . 

 2r. Inferior plate of the api- 



cal segment of C. urn- 



brina $ . 

 2s. Superior plate of the api- 



cal segment of C. um- 



brina $ . 

 2t. Superior plate of the api- 



cal segment of C. sim- 



plex J . 

 2u. Inferior plate of the api- 



cal segment of C. sim- 



plex $ . 

 2w. Lateral view of the apical 



segment of C. simplex J . 

 3. Labium of Melecta punc- 



4. Maxillary palpus of Me- 



lecta punctata $ . 



5. Labium of Eucera longi- 



cornis J . 



6. Maxilla of Eucera longi- 



cornis $ . 



7. Labium of Saropoda bi- 



maculata $ . 



8. Maxilla of Saropoda bi- 



maculata J . 



PLATE X. 



1. Labium of Anthophora 5. Labium of Bombus terres- 



acervorum $ . tris $ . 



2. Maxilla of Anthophora acer- 6. Maxilla of Bombus terres- 



vorum $ . tris $ . 



3. Labium of Bombus horto- 7. Maxillary palpus of Bom- 



rum 5 . bus lapidarius $ . 



4. Labium of Apis melli- 8. Maxillary palpus of Bom- 



bus Derhamellus 5 . 



