6 NEUROPTERA. 
1. Choroterpes inornata, sp. n. (Tab. I. figg. 5, 5 a-«, ¢.) 
Subimago (dried).—Wings uniformly sepia-grey, with warm sepia, opaque neuration. 
Imago (dried).— 3. Thorax pitch-black above (probably jet-black during life); dorsum of abdomen ivory-black 
or blackish-brown, sometimes with the joinings of the segments whitish, and sometimes with the tract of 
the dorsal vessel translucent whitish, and in segments 4-8 with a short tapering longitudinal whitish 
streak from the base in its immediate proximity on each side. Venter dull impure whitish; the last 
segment pitch-brown, and the nerve-ganglia dark. Sete: warm sepia-grey; the joinings dark. Forceps 
rufo-piceous (usually greatly distorted through desiccation) ; the basal joints of the limbs relatively longer 
than in the typical species, being equal in length to the penis-lobes. Legs in opaque view pitch-brown ; 
in transmitted light rufescent. Wings vitreous: fore wing pitch-brown at the extreme roots; cross 
veinlets attenuated, invisible to the naked eye, numerous in the marginal area of the fore wing, and mostly 
simple in the pterostigmatic region, numbering about 8 before, and 11-15 beyond the bulla; hind wing 
normal. 
@. Neuration stronger than in the other sex, yet the cross-veinlets when keld up to the light are only just 
discernible without a lens; those in the marginal area of the fore wing number about 4 before and 
many beyond the bulla. Pleura of the ninth segment produced acutely ; (ventral lobe shrunken out of 
shape in the only specimen obtained). Abdomen pitch-brown. 
Length of body, g 6, @ 8; wing, ¢ 7, 9 9 millim. 
Hab. Mexico, Northern Sonora (Morrison: two 3 subimag. and ten imag.; one ¢ 
imag.), Arizona (two subimag. in. Mus. McLachlan ; alluded to in Rev. Mon. Ephem. 
p. 105). 
9. Choroterpes nervosa, sp.n. (Lab. I. figg. 6, 6a, 9.) 
Imago (dried).— 2. Aberrant from the type in the profusion of cross-veinlets in the wings, in the marginal area 
of the hind wing ending abruptly (as in Thraulus bellus) not obliquely, and in the submarginal area of 
the same wing extending almost to the tip. Also the lobe of the ninth ventral segment is seemingly 
retuse. 
Body pitch-brown above, the meso- and metanotum inclining to rufo-piceous ; venter rather lighter than the 
dorsum. Fore femur dark pitch-brown ; tibia somewhat rufo-piceous; tarsus lighter, in some postures 
impure light yellowish-brown, with the first four joints darker at the tips and dorsally, but with the base 
of the first joint and the whole of the fifth joint, ungues included, light yellowish or subochraceous. 
(Hinder legs and sete lost.) Wings vitreous: fore wing tinted throughout the marginal and submarginal 
areas, and also about the wing-roots, with light piceous-grey ; many of the longitudinal nervures for some 
distance from the roots are narrowly clouded with the same grey. Neuration distinct to the naked eye, 
pitch-brown in opaque view, but rufo-piceous in transmitted light; marginal area of the fore wing with 
about ten to twelve cross-veinlets before, and thirty-two beyond the bulla, not reckoning numerous traces 
of others that are obsolete. Pleura of the ninth abdominal segment subobtuse behind ; (ventral lobe of 
the same segment shrunken, but apparently retuse). 
Length of body 10°5; wing 15 millim. 
Hab. Guatemata, Zapote (Champion; one ? imag.). 
THRAULUS. 
Thraulus, Eaton, Ent. Monthly Mag. xvii. p. 195 (1881) ; Rev. Mon. Ephem. p. 106, t. 12. fig 20 
(adult details), t. 85. (nymph); also (provisionally) t. 13. figg. 20°, 20°, 28°, 23°, and 23° 
(adult details) (1884). - 
Probably a large genus in the tropical and warmer temperate parts of America, 
represented by a few species in the Indo-Malayan region, and by one species in 
S.W. Europe that extends northwards to Indre in France. | 
