4^0 Mr. G. Mcacle-"\YaUlo on 



types of If. atrovividis, wliich species, however, must 

 become a synonym o£ //. (vthiopiciis, Cam. {vide infra). 



HaUctus afth'iojricus, Cam. 



HaUdus athiopicus, Cam. Trans. S. Afr. Phil. Soc. xv. p. 239 (1905). 

 Halictm atrovividis, Cam. /. c. xvi. p. 325 (1906), 



Both tliese species were described from Pearston, Cape 

 Colony, and the types of both are in the British Museum. 



Ke^ to Ethiopian Halictus in the British Museum, 



22- 



1. (8) Abdominal tergites with pale tegu- 



meutary fascite. 



2. (o) Larger, more robust species, the fascisB 



rather broad. Lengtli 10-12 mm. 



3. (4) Face clothed with griseous pubes- 



cence. Length 12 mm albofasciatus, Smith. 



[(S. Africa.) {=Paranomia broomi, Cam.) 



4. (3) Face clothed ■with smoky pubescence. 



Length 10 mm vittatus, Smith. (Cape 



5. (2) Smaller, more slender species, the [of Good Hope.) 



fasciae linear. Length 7-8 mm. 



6. (7) Tergites 1-4 wilh narrow apical fascise [Kirby. (Socotra.) 



pale yellow flaoovittatua, W. F. 



7. (6) Tergites 1-5 with narrow white [(Transvaal.) 



fasciae alboUneolus, Cam. 



H. tricolor (Cam.), U, nomioides, Friese, and its var. grandior, Friese, 

 come in here. 



8. (1) Abdominal tergites with pubescent 



fasciae. 



9. (10) Tegument brassy green, pubescence [Africa.) 



pale yellow jiicundiis, Smith. (S. 



H. niloticus, Smith, from the White Nile, is a male with brassy-green 



tegument. 



10. (9) Tegument black, some segments at 



least with griseous fasciae. 



11. (24) Larger species. Length at least 9 mm. 



12. (13) Clypeus apically truncate, with a dis- 



tinct tooth on each side at apex ; 

 tergites 1 and 2 with interrupted 

 apical fasciae of pale pubescence; 

 hind calcar toothed. Length 10 mm. 

 (Cape of Good Hope.) deceptus, Smith. 



13. (12) Clypeus without any teeth at apex ; 



tergites 1 and 2 at least with com- 

 plete fasciae of pale pubescence ; 

 hind calcar toothed or not. 



14. (15) Hind calcar with three teeth ; tergites 



2-5 witli pale fasciae. Length 



10 mm. (Natal.) . , diversus, Smith. 



