134 THE CANADIAN ENTOMOLOGIST. 



thetes ; but he writes always F. gigas Dalman instead of Drury, for which 

 error probably I am responsible. Dalman has only given a diagnosis 

 made from Drury's figure, which diagnosis is so defective that Burmeister 

 applied it to a very different species. 



The figures 12 and 13 on Seba's plate belong probably to the genus 

 Stenares ; as far as I know, they are not yet determined nor quoted any- 

 where. 



2. AcantJiaclisis Americana. 



Drury, Ins., vol. i, p. iii, No. 4, pi. 46, f 4. Burm., ii., p. 996, No. 

 17. Rami). Neur., p. 380, No. 4. Hag. Syn. Neur. N. Amer., p. 223, 

 No. I. Taschenberg, Zeitschr. Halle, 1879, vol. 52, p. 186. See for 

 literat., Hag. Syn. Hemerob. Stett. E. Zeit., 1866, p. 378. 



Brown, clothed with whitish hairs, stout ; front and labrum yellow to 

 the antennae, whitish villous above ; vertex reddish brown with two large 

 flat elevations, separated by a middle impressed line ; cut straight in 

 front ; anteriorly with a yellow band ; on top a black band, and a trans- 

 versal series of flattened spots, and some behind, two of them approxi- 

 mate in the middle, all black ; antennge strong, a little longer than the 

 prothorax, flattened on tip, black, the joints with a yellow basal ring ; the 

 basal joints below yellow. Maxillary palpi short, yellow, the joints a little 

 brownish at base ; the third joint longer, thickened on tip, curvate ; the 

 fourth a little shorter than the fifth, which is cylindrical, a little curvate on 

 the base, the tip obtuse, very little notched. Labial palpi longer, black, 

 hairy ; second joint curvate on the base, thickened on tip ; third joint 

 a little shorter, straight, fusiform on tip, which is yellow, or yellow-pointed 

 black, suddenly thinned and pointed. Prothorax a little longer than 

 broad, narrowed in front ; side margins straight ; front margin sub-convex, 

 with a small median notch ; a strong transversal dorsal depression before 

 the middle of the prothorax is a little curvate, more curvate near the side 

 margins ; another smaller depression exists near the mesothorax ; the pro- 

 thorax dull grayish brown, with a large black longitudinal median band, 

 and another on each side on the side margin, not well defined ; a yellow 

 spot, little visible, each side externally near the anterior depression ; pro- 

 thorax above clothed with long black hairs, and with whitish ones later- 

 ally. Mesothorax grayish brown, with a black median band, and another 

 on each side ; below the whole thorax is rufous brown, whitish villous. 

 Legs strong, short, whitish villous, mixed with black hairs, blackish brown, 



