176 THE UNIVERSITY SCIENCE BULLETIN. 
from testaceous base and blackish tip to nearly entirely black. Venter 
black. Pedes testaceous. 
“Length, 6.7 to 8.1 mm.; lat., 2 to 2.3 mm.” 
Localities: Kansas, New York, New Jersey, Illinois, Florida, Ver- 
mont and Massachusetts. 
Buenoa platycnemis Fieber 1851. 
Rynchotographilla, 1851, p. 61 (described under genus Anisops). 
“Dirty white. Eyes large. Connexivum narrow, whitish-yellow. Ven-. 
ter black, sides yellowish with three-cornered black median flecks. 
Hemelytra with black margins (Randrippe.) Scutum black, with margin 
and tip yellowish. Scutellum ochre-yellowish, brown, at base. Menta- 
notum black. Metanotum ochre-yellowish with brown median stripe. 
From America, Porto Rico and St. Thomas. Length, 2% lines. Dirty 
white. Posterior margin of pronotum above the scutellum scarcely over- 
lapping. The color of the pronotum (Schildes) varies; it is either black, 
with narrow or broad pale margin, or ochre-yellowish with the base 
brown. Hind back varies in color, as above mentioned. Dorsal segments 
blackish brown, next to last and the base of the last, dirty white. Front 
tibia very broad at base, on one side broadened out into a lobe, in the 
male a broader tooth toward the base. Front and middle femora on the 
inside and above, sides of the metathorax, blackish. Appendage of femur 
with a black spot.”—Fveber. ; 
Localities: New York, New Jersey, District of Columbia, Illinois, 
Texas, California. 
Buenoa elegans Fieber 1851. 
Rhynchotographilen, 1851, pp. 61-62. 
“Milky white. Antenne black. Hemelytra without closing suture | 
(Schlussnath.) Membrane with four-cornered black transverse fleck. 
Metanotum white. Abdomen black. From America. Length, 2% lines. 
“Head somewhat broader than pronotum, whose posterior margin is 
gently projecting. Fore edge projecting angularly. Front elongated, 
truncated and narrowed in front. Labrum longish. Third segment of 
beak above and fourth entirely black. Margin blackish brown. Hemelytra 
very finely haired. Breast yellowish. Abdomen black, three basal seg- 
ments of connexivum with yellowish white posterior margin. Fore tarsi 
somewhat shorter than the tibie, appearing thickened on the inner side 
at the base with a saffron yellow finely indented wart. Fore and middle 
tibiz with a brown median stripe (apparently formed by the dried inner 
margins of the groove touching.) Margin of parapleura fringed with 
blackish brown. Foremargin of hind femur brownish transparent. Ap- 
pendages of femur with a brownish spot. Middle tibia, above on the 
basal half brownish. Abdomen yellowish. Dorsal segments black, three 
of these with white median spots at base. Clavus without a trace of a 
suture fused with the corium. Anus dirty whitish, margin narrowly 
whitish yellow. Membrane with large, almost elongate, four-cornered 
blackish-brown opal colored iridescent transverse spot, extending from 
the outer basal angle to the inner margin.” 
“Observation: Described by Blanchard and Brulle as Notonecta nivea 
in the Hist. Not. Tom., 3, p. 88, as follows: 
“Body of a somewhat moonlight color, short and somewhat convex, 
head and corselet of a dirty white without spots. Wings white, very 
transparent, entirely deprived of spots, legs and abdomen of a grayish 
yellow. Length, 3 to 4 lines.” 
“It appears that Brulle had two species before him, which do not agree 
with the above description, but may belong to A. productus.” 
Localities: Maine, New York and New Jersey. 
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