318 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
antehumeral stripe not reaching an oblong green spot in 
front of the antealar sinus; anterior lamina bifid only at 
tip ; the two posttriangular rows on front wings inter¬ 
rupted by one or more single cells in the middle of the 
field. 5. marmorata 
Hind wings with one submedian cross-vein. 
Abdomen of $ not much widened on 7 and 8. 
Size small, abdomen 15-17.5, hind wing 19-21.5 ; fe¬ 
males with one posttriangular row on hind wings 
6. pumila 
Size larger, abdomen 27.5, hind wing 26 mm. at least; 
females with two posttriangular rows on hind wings. 
Abdomen blackish brown with green or yellow 
stripes. 
Sides of thorax blackish with three uninter¬ 
rupted yellow stripes. Superior appendages 
of £ hardly longer than inferior appendage. 
7. catharina 
Sides of thorax dark brown, mesepimeron 
and metepimeron each with two pale spots 
placed obliquely one above the other. 
Superior appendages of $ longer than infe¬ 
rior, with a small inferior tooth at two thirds 
their length, their tips acute. 
Labrum pale blue or yellow, no jiale 
green spot behind the third coxa. 
8. pleurosticta 
Labrum entirely or partly black, a pale 
green spot on pectus behind the third 
coxa. .... 9. celaeno 
Sides of thorax predominantly pale green 
with black markings. Male unknown. 
10. musiva 
Abdomen luteous or pale brown, sutures and 
carinae black. Tips of superior appendages of 
£ not acute but rounded. . 11. incicuta 
Abdomen of $ greatly widened on 7 and 8. 
Sides of thorax dark brown with four pale spots: two 
on mesepimeron, two on metepimeron placed obliquely 
one above the other ; antehumeral stripes cuneiform, 
