EXPLANATION OF THE PLATES. 



247 



Fig 



PLATE IX. (continued.) 



Fig 



2e. Lateral view of the apical 2q. Lateral view of the apical 



2/. 



segment of Coilioxys ru- 

 fescens $ . 

 Lateral view of the apical 



segment 



segment of C. riifes- 



cens S . 

 2g, Inferior plate of the apical 



segment of C. mandibu- 



laris $ . 

 2h. Under side of the head of 



C mandibiilar'is $ . 

 2i. Lateral view of the apical 



segment of C Vectis ? . 

 2k, Lateral view of the apical 



segment of C. Vectis S . 

 2L Superior plate of the apical 2w. 



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 $ . 



2p . Superior plate of th e apical 



segment of Ccelioxys 

 quadridentata $ . 



of Coelioxys 

 quadridentata $ . 



2r. Inferior plate of the api- 

 cal segment of C um- 

 hrina 5 . 



2s. Superior plate of the api- 

 cal segment of C. um- 

 hrina $ . 



2t. Superior plate of the api- 

 cal segment of C. sim- 

 plex $ . 



2w. Inferior plate of the api- 



cal segment of C. sim- 

 plex 5 . 

 Lateral view of the apical 

 segment of C, simplex $ . 



3. Labium of Melee t a punc- 



tata $ 



4. Maxillary palpus of Me- 



lecta punctata 5 - 



5. Labium of Eucera longi- 



cornis $ . 



6. Maxilla of Eucera longi- 



cornis 5 . 



7. Labium of Saropoda bi-^ 



maculata $ . 



8. Maxilla of Saropoda hi- 



maculata $ . 



PLATE X. 



1. Labium of Anthophora 



acervorum $ . 



MaxiWsioi Anthophora acer- 

 vorum $ . 



Labium of Bombus horto^ 



2. 



3. 



4. 



rum $ . 

 Labium of Apis melli- 

 fica 5 . 



5. Labium of Bombus terres- 



tris $ . 



6. Maxilla of Bombus terres- 



tris 5 . 



7. Maxillary palpus of Bom- 



bus lapidarius $ . 



8. Maxillary palpus of Bom- 



bus Derhamellus 5 . 



