1930 ] 
Australian Bees 
149 
Hylseus alcyoneus robustus Cockerell 
Two males from Sydney (Williams) . One of these is 
intermediate between the type and var. robustus , having 
the ventral processes small. 
Hylseus cyaneomicans (Cockerell) 
Females were collected by Williams as follows: 2, Ba- 
binda, April 18; 1, Cairns, May 18; 18, Halifax, June, 
July. 
Hylseus rotundiceps (Smith) 
2, Sydney (Williams ) . 
Hylseus frederici (Cockerell) 
2, Southerland, N. S. W., Nov. 14 (W. M. Wheeler). 
Hylseus eburniellus (Cockerell) 
2, Sydney, Feb. — March (Williams ) . 
Hylseus brevior (Cockerell) 
A male from Sydney, Feb. 28 — March 8 (Williams ) . 
Euryglossina perpusilla (Cockerell) 
Two from Sydney, Feb. 28 — Mch. 8 (Williams ) . 
Euryglossina chalcosoma (Cockerell) 
One from Sydney, Feb. 28 — Mch. 8 (Williams) has the 
mesothorax strongly suffused with purple, but certainly 
belongs to this species. 
Trigona carbonaria Smith 
Fourteen from Halifax, six from Babinda, one from 
Cairns, and one from “Cordelia Hill, 600 ft., Halifax,” all 
collected by Williams. These Queensland specimens mostly 
have the flagellum clear red beneath, but do not have the 
