80 INSECUTOR INSCITI^ MENSTRUUS 



13. Serration of second uncal plate slight; third spine basal on the 



stem phlogistus Dyar 



Serration extensive ; third spine subapical 14 



14. A horn-like point on the serrated area between the outer limb and 



third spine maroniensis Bonne-Wepster & Bonne 



Without this structure albinensis Bonne-Wepster & Bonne 



15. Basal lobes long, finger-shaped, hairy at the end tecmarsis Dyar 



Basal lobes broad and rounded 16 



16. Outer division of lobe of side-piece with a slender outer limb bear- 



ing a leaf 17 



This part with an inner slender arm or none 19 



17. Leaf -like appendage solitary, large 18 



Leaf small, with accompanying filaments phlabistus Dyar 



18. Inner division of lobe of side-piece spinose at basal outer angle, 



coppenamensis Bonne-Wepster & Bonne 

 This part pilose only ; leaf-arm shorter invocator Pazos 



19. A slender-stemmed ribbed leaf arising from base of inner limb of 



outer lobe of side-piece corentynensis Dyar 



^ Without this structure 20 



20. A leaf-like appendage arising from the outer group of setae of the 



outer division of lobe of side-piece, or from between these and 



the inner limb 21 



Without a leaf-like appendage on outer division of lobe of side- 

 piece 28 



21. Leaf large, expanded, exceeding the filaments 22 



Leaf medium or small, shorter than the filaments 24 



22. Third spine of second uncal plate subapical, 



mutator Dyar & Knab, leprincei Dyar & Knab 

 This spine medial on the stem ; leaf from outer setal group 23 



23. Clasp-filament narrowly snout-like peribleptus Dyar & Knab 



Clasp-filament broad, Mochlostyrax-like moorei Dyar 



24. Outer division of lobe of side-piece with a distinct inner limb... 25 

 Inner limb, if present, very short 27 



25. Leaf -like appendage arising between the limb and group of setae. 26 

 Leaf larger, accompanied by an expanded truncate filament, arising 



on stem of lobe carcinophilus Dyar & Knab 



26. Basal hooks short bastagarius Dyar & Knab 



Basal hooks long vapulans Dyar 



27. A large leaf arising between the group of setae and middle fila- 



ment comminutor Dyar 



A short fan-like leaf absorbing the short filaments castor Dyar 



28. Third spine of second uncal plate almost basal on the stem 29 



This spine very stout, about the middle of stem 31 



This spine near the tip, with the other limbs 32 



