APPENDIX. 293 



rundeten Innenrand. (In Hornbeck's Sammlung zu Kopen- 

 hagen.) 



(Translation.) Golden .green, with black antennae, yellow feet and a 

 large broWnish-black spot on tlie wings ; length three lines, 9 From the 

 Crab Islands (West Indies). 



Face bright steel-blue near the antennae, golden-green farther below, 

 everywhere with a silvery reflection in a certain light. Front golden- 

 green, With a bluish reflection ; thorax likewise, but with a silvery reflec- 

 tion anteriorly ; jjleurse of the same color, altogether with a whitish reflec- 

 tion. Abdomen golden green, black at the incisures, in a certain light 

 reddish-coppery. Feet yellow ; hind tibiae and feet gradually infuscated. 

 Wings hyaline ; the dark spot is along the costa and extends to about two- 

 thirds of the breadth of the wing ; it is equally distant from the base and 

 the tip, and occupies about two-fourths of the length of the wing in the 

 middle ; its inner border is rounded. (Hornbeck's Collection in Copen- 

 hagen.) 



Page 219. No. 13. Psilopus Say i. 



jEneus ; antennis, abdominis basi, incisuris pedibusque flavis. 



Erzgriiu, mit gelben Fiihlern, Hinterleibswurzel, Einschnitten 

 und Beinen. Liinge 2f Linien $ . Aus Pennsylvanien. 



Dolichopus unifasciatus Say, Journ. Acad. Phila'd. Ill, 85, 2. 



Fiihlerwurzel, aber auch wahrscheinlich das verloren gegangene 

 Endglied, gelb. Uutergesicht lebhaft erzgriin, unten weuig weiss- 

 schimmernd ; Stirn smaragdgriin, mit Metallglanz. Riickenschild 

 in's Griingoldeue iibergeliend ; die griingoldenen Brustseiten weiss 

 bereift. Erster Hinterleibsabschnitt uberall, zweiter an der 

 Wurzel, folgeude an den Einschnitten gelb ; die Hauptfarbe des 

 'Hiuterleibes ist an der Wurzel smaragdgriiulich erzfarben, was an 

 der Spitze ins Griiugoldene iibergeht. Fliigel sehr licbt gelblich, 

 mit gelben Adern. Beine gelb ; vorderste Fiisse uberall, hintere 

 nur an der Spitze sckwarzlich-braun. (Im Philadelphischen 

 Museum.) 



(Translation.) Bronze-green, with yellow antennae, basis of the abdo- 

 men, incisures and feet ; length two and two-thirds of lines, . Penn- 

 sylvania. 



SYN. D. unifasciatus Say, Journ. Ac. Phil. Ill, 85, 2. 



Basis of antennae and probably also the last joint (which is broken) 

 yellow. Face bright bronze-green, with a slight whitish reflection below. 

 Front emerald-green, with metallic reflection. Thorax verging into golden- 

 green ; the golden-green pleurae whitish-pruinose. First abdominal seg- 

 ment yellow, the root of the second and the incisures of the following, also 



