302 THK BNTOMOIiOGIST. 



NEW AUSTRALIAN BEES, IN THE COLLECTION OF 

 THE BRITISH MUSEUM. 



By T. D. a. Cockerell. 



(Concluded from p. 273.) 



The microscopical characters of these species are as follows : 



(1.) Front. 



H. bicingulattis. — Densely rugoso-punctate. 



H. oxleyi. — Densely rugoso-punctate, the punctures large. 



H. humei. — Closely rather weakly punctured, with a few short 

 striae in front of middle ocellus. 



H. lanugi7iosus.— 'Exceedingly densely punctured, the punc- 

 tures large ; this is like the mesothorax of oxleyi. 



H. gilesi. — Very densely punctured, the punctures strong but 

 not extremely large. 



H. reyrcEsentans. — Very densely punctured. 



It will be noted that the front is entirely different from that 

 of the metallic species, described earlier. H. huviei, which 

 shows signs of strise, is in other respects most like the metallic 

 species. 



(2.) Mesothorax. 



H. bicingulatus. — Densely rugoso-punctate, the punctures 

 dull, the areas between them more shining, and minutely ridged 

 or lineolate — the remnants of a tessellate sculpture, 



H. oxleyi. — Densely rugoso-punctate, the punctures large, the 

 ridges between them reduced, and not sculptured ; the punctures 

 themselves are shiny. 



H. humei. — Coarsely microscopically tessellate, with numerous 

 punctures, in the manner of H. murrayi. 



H. lanuginosus. — With dense large punctures, much as in 

 oxleyi, but there are more distinct intervals between them, which, 

 however, are smooth and shining. 



H. gilesi. — Densely punctured, the punctures large, the inter- 

 vals showing coarse tessellate sculpture, in the style of bicingu- 

 latus. 



II. reprcesentans. — With dense large punctures, the surface 

 between not sculptured, except anterior middle, which is irregu- 

 larly transversely lineolate, with only short pliciform hair- 

 punctures. 



(8.) Second abdominal segment. 



H. bicingulatus. — Shining, but very closely and strongly 

 punctured, the punctures extending over the whole surface. 



H. oxleyi. — Extremely finely and densely punctured all over, 

 the punctures very minute and regular, looking like very fine 

 honeycomb. 



