Records of Bees. 285 



Fourth abdominal segment -with some or 

 much pale hair 2. 



2. Abdominal bands rather inconspicuous; 



bauds on third and fourth segments nar- 

 row, thin or broken in middle. truttce (Ckll.). 



Abdominal bands broad and very con- 

 spicuous 3. 



3. Hair on iimer side of hind basitarsi very 



dark fuscous or brownisli black intrudens (Cr.). 



Plair on inner side of hind basitarsi clear 

 ferruginous 4. 



4. Second abdominal segment entirely beset 



with pale hair, except the narrow apical 

 margin, and sometimes black hair at 

 extreme base, normally covered by first 



segment -'5. 



Second abdominal segment not entirely 

 beset with black hair, the band con- 

 spicuously narrowed at base (laterally) 

 or at apex (in middle), or the whole band 

 narrowed 8. 



5. Pale hair of second segment dense all 



over G. 



Pale hair of second segment thin on basal 

 part, with a dense white band on apical 

 part 7. 



6. Clypeus with a strong median smooth 



ridge i^hacclia;, Ckll. 



Clypeus without such a ridge doiK/lutiiuna, Ckll. 



7. Teguke dark rufo-piceous vir(/ala (('kll.). 



Tegulae clear amber-colour foideri (Ckll.). 



8. Hair on fifth abdominal .segment purplish 



black, white only on extreme lateral mar- 

 gins ; basal half of second segment black 



at sides 9. 



Hair on fifth abdominal segment broadly 

 white or pale ochreous laterally, at least 

 on apical half 10. 



9. BaTid on second abdominal segment only 



about half as broad sublateraliy as in 

 middle ; upper margins of bands of second 

 and third segments concave laterally. . . . cordleyi (\'ier.). 

 Band on second abdominal segment as 

 broad sublateraliy as in middle; upper 

 margins of bands on second and third 

 segments scarcely concave laterally .... cordleyi urophila, Ckll. 



10. Larger ; anterior wing 12^ mm. long ; 



teguUe amber-colour speciosa (Cress.). 



Smaller ; anterior wing less than 11 mm. 

 long 11. 



11. Band on second segment relatively narrow, 



more than ba>!al lialf of segment black at 

 sides ; upper edge of band straight ; bands 

 snow-white ; clypeus very coarsely and 

 coutiueutly punctured belfruijci (Cress.). 



