120 
Psyche 
[September 
4. Length c. 1.75-2.4 mm. m urru m h id gens is 
- Length c. 2. 5-2. 8 mm. fitzroyi 
Tachys lutus n. sp. 
Figure 1 
With characters of hobarti group as given above, but dorsal striae 
(except sutural) obliterated ; form (Fig. 1) rather slender but convex ; 
dark reddish piceous, appendages reddish testaceous; shining, virtually 
without dorsal microsculpture or punctulation. Head .89 width pro- 
thorax; eyes moderate in size and prominence; antennae with median 
segments (not counting pubescence) hardly 2X long as wide; clypeus 
subtruncate (slightly emarginate), not impressed anteriorly; frontal 
sulci irregularly subparallel, extending onto clypeus; front slightly 
convex, impunctate except faintly punctulate at 54 X in good light; 
mentum with an entire tooth. Prothorax subcordate; width/length 
1.2 1 ; base/apex c. 1.04; base/head .85; sides arcuate anteriorly, 
