GENERA PANTALA AND TRAMEA. 



Genus PANTALA. (li 



Hagen, Syn. N. A. Neur., p. Ml. 



The full-grown nympha is rather small compared with the imago; head a little narrower 

 than abdomen; eyes large, egg-shaped, at the hind angle of head, viewed from below coni- 

 cal, very prominent; vertex circular, ocelli scarcely indicated; a groove behind vertex,and 

 another around the antenna, which is long and thin, seta nol much thinner; 3d joint long- 

 est, 4th shorter; mask large, rhomboid, spoon-shaped, covering the head in fronl to base 

 of antennse; extending between base of middle legs; front part produced in a triangular 

 lobe ; palpus large, triangular, equilateral, hollowed ; edged with nine large flat teeth, which 

 do not interlock, inside four bristles on each side ; movable hook short. Prothorax large, 

 rounded behind ; stigmata free ; wing cases long, reaching nearly to 7th segment ; abdomen 

 half as broad as long, convex above, sides slightly rounded ; no dorsal hooks ; segments of 

 equal length. 10th much shorter; on 8th and 9th long, sharp, flat lateral spines ; appendages 

 very long and sharp, pyramidal, the dorsal median a little longer than inferiors, the laterals 

 shorter, all with short spines ; ventral longitudinal sutures ending inside the apical angles 

 of 9th segment ; space between them oval, largest on 4th segment ; ventral bags on 6th 

 segment. Legs widely but equally separated at base, long, slender, longer than abdomen ; 

 claws sharp, long. 



PANTALA FLAVESCENS. (Raised.) 



Plate VI. Fn;. 5. 



Hagen, Syn. X. A. Near., p. 142. 



Two nympha skins and raised imago males from Boston, Mass., from Mr. S. H. Scudder, 

 and from same locality from Mr. F. G. Sanborn ; a full-grown male nympha from Mass. 

 in alcohol; three young ones 13 to IS mm. long from Eacine, Wisconsin, shore of Lake 

 Michigan, July, 1S70, from Mr. H. G. Hubbard ; male and female full-grown, together with 

 the imago, from Panama; fifteen young nympha? from Little Town, opposite Havana, Cuba, 

 Jan. 1, 1S78, Blake Exped. ; a young one dry from Brazil ; a young one in alcohol from 

 Society Islands, from Mr. Garrett ; two half-grown ones from Zanzibar, from Mr. C. Cooke. 

 Length, 10 to 28 mm. 



