222 NEUROPTERA. 
BB. Discoidal triangle of front wing free; one or more cells in the post- 
triangular field, hind wing, reaching from short sector to first sector of 
triangle; brown stripe of obsolete first lateral thoracic suture forked in its 
upper half (except in Ecuadorian examples of ocellata). 3. Anterior 
lamina bipartite, each tip spinulose ; hamule hook-like, directed backward. 
D. Brown metepimeral stripe absent; antecubitals on hind wing 6. ¢. Ab- 
dominal segments 5 and 6 with pale stripes or spots ; superior appendages 
in dorsal view with their tips not diverging, in profile with an almost 
straight inferior row of 6-8 denticles on the middle third; anterior 
lamina less prominent than the adjacent parts. 92. Vulvar lamina 
reaching to oue-third of the lateral margin of segment 9, not attaining 
the base of the style-like processes, its apical margin with a median 
notch ; style-like processes about ‘2 mm. long, about one-sixth as long 
as the lateral margin of 9. Abdomen, ¢ 19-24, 2 21-23; hind wing, 
SO 25°5-29°5, 9 265-28 mm.. . . . . . ww we hagenii. 
DD. Brown metepimeral stripe present, running off from about mid-height 
of the second lateral thoracic suture; antecubitals on hind wing 7. 
. Abdominal segments 5 and 6 with no pale markings; superior 
appendages in dorsal view with their tips diverging, in profile showing 
no denticles, but the apical two-thirds very convex inferiorly, an external 
row of 5-6 denticles on the middle third, visible in dorsal or veutral view ; 
anterior lamina and genital lobe subequally prominent. 9 unknown. 
Abdomen 26-28 ; hind wing 275-30mm. . . . ..... 4, dissocians. 
DDD. Brown metepimeral stripe present, running off from near the lower 
end of the second lateral suture in representatives of this fauna; ante- 
cubitals on hind wing 6 (7 in Ecuadorians). g. Abdominal segments 5 
and 6 with no, or very small basal, pale marks ; superior appendages in 
dorsal view with their tips converging, in profile with two inferior teeth at 
two-fifths and three-fifths their length respectively and separated from 
each other by a concavity, an external row of denticles running proximad 
from the distal tooth, but external to the proximal tooth; anterior lamina 
and genital lobe subequally prominent. ¢. Vulvar lamina almost 
as in hagenii. Abdomen, ¢ 21:5-24, 2 21; hind wing, ¢ 24-26°5, 
929mm... . ww... OB ocellata (Central-American form). 
AA. Number of cells between the posterior angle of the triangle, hind wing, and 
the distal subbasal sector (A, of C. & N.) immediately opposite that angle 
one ; discoidal triangle of front wing free, one or more cells in the post- 
triangular field of hind wing reaching from the short sector to the first sector 
of the triangle. 
E. Front wing with the internal triangle usually three-celled, the two post- 
triangular rows increasing to three rows proximal to the level of the nodus ; 
antecubitals on hind wing 7-8. . Anterior lamina rudimentary, hamule 
and genital lobe subequally prominent, hamule pointing backward ; superior 
appendages with no inferior subbasal denticle. 2. Vulvar lamina reaching 
to one-third of the lateral margin of segment 9, not attaining the bases of 
