the Apidae in the British Museum. 329 



20. MegachiJe speluncarum, sp. n. 



2 . Nigra, plerumque griseo-pilosa ; tergitibus 1-3 fasciis apicali- 

 bus albidis, 5 plerumque et 6 omuino rufo-aurantiacis ; alls sub- 

 hyalinis ; scopa ventrali alba ; clypeo brevissimo, emarginato, 

 lateribus sublamiaatis ; mandibulis 4-dentatis. 



Long. 12 mm. 



Black ; face and tlioiax more or less densely clothed with 

 griseous pubescence, densest on inner orbits, pleurae, and 

 median segment; tergites 1-3 with narrow apical tascise of 

 the same pubescence, the sides much denser than median 

 area ; scopa silvery white (except sternite 6), sternite 6 

 fuscous ; legs, and especially tarsi of intermediate legs, with 

 griseous pubescence. Tergites 5 (except base and sides) and 

 6 bright ferruginous red. J\Iandibles and clypeus with a 

 few ferruginous hairs. 



Mandibles broad, of uniform width throughout, quadri- 

 dentate, evenly punctured, with inconspicuous caringe ; inner 

 margin normal. 



Cli/peus very short, convex, deeply emarginate, sides of 

 the emargination forming distinct sublaminate processes. 



Head as broad as the thorax at widest ; abdomen parallel- 

 sided, tergite 3 with a transverse sulcus. 



The whole insect uniformly punctured, the punctures even, 

 of medium size ; enclosed area at base of median segment, 

 truncation of first tergite, and tegulae iuipunctate. 



Wings subhyaline. 



Length 12 mm, 



IS.W. AuSTiiALiA: Yallingup, 23rd Dec. 1913-23rd Jan. 

 1914 (it!. E. Turner). 12 ? ? . 



21. Megachile resiniferay sp. n. 



§ . Nigra, capita thoraceque griseo-pilosis ; tergitibus 1 et 2 

 omiiino, 3 lateribus fasciis apicalibus albidis ; tergite 6 vix rufo- 

 aurantiaeo ; scopa ventrali nigra ; clypeo latiore quam longiore, 

 apice truncato ; mandibulis tridentatis ; alls subhyalinis. 

 Long. 16 mm. 



S . Femiua hirsutior, fasciis apicalibus abdominis caret ; tarsia 

 anticis vix dilatatis ; tergite septimo concavo, producto, apice 

 subserrato. 



Black, head and thorax rather profusely clothed with 

 pubescence, that on the vertex and disk of mesonotum 

 fuscous, the front, cheeks, pleurae, and median segment 

 griseous ; tergites 1 and 2 with distinct apical fasciae and 



