L'OH 



INSECTS OF SAMOA. 



Tibia as long as tarsus ; lateral edges of tibia 

 bristly towards apex, outer edge serrate 

 near apex ; process a small, plain, pointed 

 rod, much shorter than the first tarsal 

 segment ...... 



3. Tibial process extraordinarily long and shaped 



like a saw ...... 



Tibial process not so long and not saw-like . 



4. Process about thrice as long as tibia, which is 



much abbreviated ; upper surface of pro- 

 cess very narrowly concave, with both 

 lateral edges uniformly and finely serrate ; 

 apex somewhat flattened ; tarsus as long 

 as process, first segment longer than 

 following three segments together, second 

 segment very small, somewhat broad, 

 bilobed segment with slender lobes, claw- 

 segment somewhat thickened ; points of 

 origin of process and tarsus not near 

 together, process arising from apex of 

 tibia, and tarsus from near base of latter ; 

 tibia accordingly modified 

 Tibia somewhat longer than either process or 

 first tarsal segment, which are about equal 

 in length ; extreme apex of tibia rounded ; 

 lateral edges plain, without teeth, serra- 

 tions or bristles, except a few at tip ; pro- 

 cess with upper surface concave and lateral 

 edges toothed ; second segment of tarsus 

 long, but somewhat shorter than first ; 

 lobes of bilobed segment slender ; claw- 

 segment long ..... 



5. Extreme apex of hind tibia not distinctly 



produced ...... 



Extreme apex of hind tibia distinctly pro- 

 duced ...... 



6. Tibial process deeply cleft at apex 



Tibial process emarginate at apex ; process 

 broad, about half as long as first tarsal 

 segment ; lateral edges of tibia without 

 serrations or teeth, outer edge undulate at 

 apex ....... 



Dibolosoma Jacoby (Text- fig. 146). 



Aphthonoides * Jacoby (Text-fig. 14c). 



Serraphula Jacoby (Text-fig. lid). 



Paradibolia Jacoby (Text-fig. 15e). 



* Jacoby's original account (loc. cit.) of the tibial characters does not agree with the present 

 description, which is taken from an example seen by him. It may be remarked that the relative 

 arrangement of tibia, tarsus, and spur, as seen in this genus, differs from that found in other 

 genera studied here. 



