132 
Psyche 
[June-Sept. 
Fig. 4. Dorsal aspect of cephaloprothorax; ratio x75. 
Fig. 5. Ventral aspect of a palp, extruded; ratio x330. 
Fig. 6. Various aspects of bristles of dorsum of abdomen; ratio 
x440. The bristle to the left of the numeral and below it 
is as seen full face, that above is as seen somewhat from 
the side, the others are end views. 
Smarts sp. 
Fig. 7. Various aspects of bristles of dorsum of abdomen; ratio 
x440. Figures to the left of the numeral and below are 
end views, the others are full face, except the lower right 
which is somewhat from the end. 
Bdella oblonga Say 
Fig. 8. Palptarsus; ratio x200. 
Bdella trisetosa sp. nov. 
Fig. 9. Left palptarsus, dorsal aspect (lower edge of figure is mesal 
face) ; ratio x440. 
Spinibdella wilsoni sp. nov. 
Fig. 10. Mandibles lying over rostrum; ratio x200. 
Fig. 11. Palptarsus, lateral aspect (lower edge of figure is ventral 
edge) ; ratio x330. 
