86 CInistmas Island. 



" Two nests accompanied these wasps. They are round, and 

 the smaller one is cousidorably raised in the middle. The upper 

 surface is grey ; the outer portion is inky black towards the base, 

 and whitish on the sides above. 



"One of the wasps was taken on October 1, at Flying Fish 

 Cove ; a nest, with eggs, larvae, and cocoons, was found on tlie 

 under-side of a branch at the same place on October 2; and 

 auother nest, with wasps flying round it, on October 5." 



Six specimens, from Flyiug Fish Cove, August, 1897 ; and 

 norlh part of island, December, 1897, and January. 1898. 



Makes small hanging nests on trees and bushes, and stings 

 severely. 



8. Halictus andrewsi, sp.n. (PI. XIY, Fig. 8.) 



Long. Corp. 6 mm; exp. al. 10 mm. 



Female. — Face forming a long oval between the eyes, clothed 

 with bronzy-green pile, back of head bronzy green, rarely purplisli 

 black, cheeks clothed with long jirey hair ; antenna3 rufo-testaceous. 

 with the scape and following joint black ; mesonotum and scutellum 

 bronzy green, the borders of the former sometimes purplish black ; 

 post-scutellum broad, depressed, more strongly punctured than the 

 rest of the thorax, and of a darker bronzy green ; it is bordered 

 behind and on the sides with long whitish hairs. Abdomen 

 shining bronzy-gi'een, very finely punctured, with the sutures 

 narrowly testaceous. Under-surface mo-tly bronzy green, but paler 

 than above ; legs testaceous, frequently more or less bronzed, 

 especially on the femora; wings iridescent by aline, with brown 

 nervures ; centre of stigma yellow. 



Probably allied to S. huccinns and vicinus, Yachal. 



Eleven specimens, those with localities marked " JSTorth part of 

 island," January, 1898. 



9. Halictus binghami, sp.n. (PI. XIY, Fig. 9.) 



? Halictus proieua, Bingham: Faun. Brit. lud., Hym. i, p. 428, n. 737 (1897) ; 

 »ec Yachal. 



Long. Corp. 5 "5 mm. ; exp. al. 10-11 mm. 



Female. — Head and thorax black, sometimes with a very faint, 

 greenish tint, very finely punctured, an impressed vertical line 

 from between the bases of the antennae to half the distance from 

 thence to the anterior ocellus ; lower part of the face clothed with 

 grey piibescence ; tongue testaceous ; metanotum longitudinally 

 striated, and bordered with grey pubescence. Abrlomen more 

 shining black, the segments not constricted, basal segment 

 polished, smooth, rufous, the segments narrowly bordered behind 



