1881 .] 
195 
Imago, v. v. 8. Oculi strongly ascalnphoid, the upper part obscurely tinged with 
liver-colour ; rest of head, and the thorax, black, polished. Legs blackish-piceous, 
the fore tarsi scarcely paler ; but the hinder tibiae and tarsi distinctly reddish- 
piceous, the latter being rather the darker. Wings vitreous, with a somewhat 
talcose gloss, the fore-wing tinged with blackish in the marginal and sub-marginal 
areas, the base of the costa somewhat testaceous, and the rest of the neuration 
piceous ; cross-veinlets, in the coloured areas, numerous, viz. : in marginal area, 
six before, and about sixteen irregularly anastomosing beyond, the nodal point ; in 
sub-marginal area, three before, and nine beyond, that point. Abdomen blackish- 
piceous, with pale rufescent joinings ; beneath, the last segment but one is distinctly, 
and a few of the next preceding it are faintly, tinged with rufescent posteriorly. 
Forceps within and towards the tips rufescent. Penis and setae blackish-piceous. 
Long, corp., d , 10 ; al., $ , 10 ; set., $ im., 12, sub-im., 9 and 12 mm. 
Hab. : in the stream near Aldea de Neuves, Alemtejo, and near 
Sao Marcos da Serra. 
C. — Anterior margin of the hind-wing deeply sinuated before the apex 
(compare Trans. Ent. Soc. London, 1871, pi. v, 2 b). 
Thraulus, n. g. 
Three long, sub-equal caudal setae (mutilated). Fore tibia of £ 
about one and ten-thirteenths as long as the femur, the tarsus about 
the same length as this last ; hind leg about one and one-twelfth as 
long as the intermediate leg; hind tarsus almost half as long as the 
hind tibia ; ungues of hinder tarsi dissimilar in form and size. 
Proximal joint of <$ forceps’ limb by far the longest. Nymph latent, 
with seven pairs of double tracheal branchiae ; the divisions of each 
of them alike in form, but those of the 1st pair filiform, simple, and 
minutely hairy, whilst the divisions of each of the others are foliaceous, 
oblong- ovate, fringed with long, simple, filiform processes. Type, 
Thraulus bellus, n. sp. Distrib., Portugal (and, perhaps, W. Indies). 
Thraulus bellus , n. sp. 
Sub-imago. Wings pale blackish. 
Imago (living). J • Oculi fuliginose. Body blackish-piceous ; the thorax deep 
black above, glossy, and with the Butures pale. Fore tarsi blackish, the hinder tibiee 
and tarsi paler. Long, corp., , 8 ; $ , 7 mm. 
Ilab. : in the stream below Cintra. 
Habropiilebia, n. g. 
Three long, sub-equal caudal seta?, about thrice as long as the 
body in both sexes. Fore tibia of £ about one and one-third as long 
as the femur, the tarsus about one and a half as long as the same ; 
hind leg scarcely longer than the intermediate leg ; hind tarsus about 
one-fourth as long as the tibia ; ungues of hinder tarsi alike in form. 
