VELIA. 143 
punctured, rounded behind, and with a rather deep transverse groove in front; the propleura extending 
inwards, and partly separating the anterior from the posterior lobe. Meso- and metapleura laterally 
prominent. Legs long and rather stout; the femora of equal thickness, the hind pair obsoletely denticulate 
along their inner edge; the intermediate tarsi with joint 2 longer than 3. Fifth ventral segment broadly 
produced in the middle behind; the sixth segment very feebly emarginate, with the apical margin 
thickened. Genital segments very prominent. 
Length 5-64, breadth (of the pronotum) 13-2 millim. 
Hab. Mexico (Mus. Vind. Ces., ex coll. Signoret); GuaveMaLa, near the city 
(Champion). 
Two specimens, one of which was found on a stream at the bottom of a deep barranca 
near the city of Guatemala. Larger, more robust, and more elongate than the apterous 
form of V. brachialis, with more prominent meso- and metapleura, a much longer basal 
joint to the antenne, longer legs, and very differently formed fifth and sixth ventral 
segments in the male. The Guatemalan specimen is figured. 
V. virgata, Buch. White, from Manaos, is an allied form. 
3. Velia cinctipes, n. sp. (Tab. IX. fig. 9, apterous ¢.) 
Apterous form. 9. Elongate, narrow, fusiform, fuscous, the head, the sides of the pronotum in front, the 
connexival margins broadly, and the ante-coxal pieces brownish-ferruginous, the pleura and venter 
blackish ; the antenns fusco-testaceous, with the base of the first joint blackish, and the fourth joint 
almost entirely flavous; the legs fusco-testaceous, the femora flavo-testaceous at the base, the hind pair 
with a single transverse fuscous band on the upperside about the middle, the tarsi more or less infuscate ; 
the trochanters and coxe flavous; the under surface with a bluish-grey pruinosity; the body, legs, and 
antenne finely pubescent, and also clothed with long fine hairs; the pronotum with a broad patch of 
glistening silvery pubescence towards the sides anteriorly, the narrow oblique mesonotal pieces behind it 
entirely clothed with silvery pubescence. Head with indications of an impressed median line; the eyes. 
large and coarsely faceted ; the antenne long and slender, joint 1 thicker and a little longer than 2, strongly 
curved, 3 much shorter than 2, 4 much shorter than 3, pointed at the tip. Pronotum longer than broad, 
hexagonal, longitudinally carinate in the middle anteriorly, truncate and abbreviated behind, leaving a 
narrow oblique piece of the mesonotum exposed on each side, distinctly punctured. Abdomen narrowing. 
from the base ; connexivum raised, the sixth segment armed with a slender spine at the apex ; the ventral 
segments 1-5 each with a transverse groove. Legs long and comparatively slender, the intermediate pair: 
very elongate; anterior tarsi short, with joints 1 and 2 very short, 1 minute ;. intermediate tarsi much. 
longer than the posterior tarsi, each with joint 2 considerably longer than 3; posterior femora moderately 
incrassate, with two rows of very short teeth on the inner side extending from about the basal third to. 
the apex, and with one longer tooth a little beyond the middle; posterior tibie very. finely denticulate. 
Length 43, breadth (of the pronotum) 14 millim. 
Hab. PanaMa, near the city (Champion). 
One specimen, in a bad state of preservation, the head being mutilated. Differs from 
the other American species known to me in the long intermediate legs, the form of the 
antenne, &c., and also in having the posterior femora incrassate and distinctly toothed. 
‘The sixth connexival segment is armed with a slender spine at the outer apical angle. 
4. Velia vivida. 
Velia vivida, Buch. White, Journ. Linn. Soc., Zool. xiv. p. 486°. 
Hab. Nicaragua}, 
