Collection of Odonata from Panama. 369 



sides of the face above the base of the mandibles, and the 

 lower mouth-parts black ; borders of labrum and mandibles 

 black, two yellow dots on the labrum. Prothorax with a short 

 oblong yellow spot in the middle. Mesothorax with a yellow 

 collar, divided in the middle ; a transverse expanding- yellow 

 median line, followed by a series of yellow spots between 

 the wings as far as the base of the abdomen, and a short 

 oblique yellow stripe on each side, followed by a yellow 

 spot opposite the base of each fore wing. A very broad 

 yellow stripe beneath each wing ; metapectus with two 

 oblique yellow stripes. Abdomen with the first six segments 

 with oblong yellow markings at their base on the sides : the 

 median line above is mostly yellow nearly to the extre- 

 mity, bordered with blackish on the sides and sutures ; on 

 the seventh segment the yellow stripe is interrupted, being 

 followed by a detached spot ; the last three segments are 

 expanded, dull yellow above, with the sides brown, and the 

 terminal carina} black. Lateral appendages of second segment 

 yellow. Anal appendages as long as the last two segments, 

 yellow, black at the base and tips, curved inward ; a small 

 black tooth on the upperside beyond the middle, and the 

 tips upcurved. Lower appendages brown, one fourth as long- 

 as the others, diverging, slender, pointed; lowest appendage 

 broader, longer, directed obliquely downwards, and truncated 

 at the extremity. Legs black, femora yellowish below and 

 serrated. Wings hyaline : fore wings with 20 antenodal 

 cross-nervures and 11 or 12 postnodals ; 2 supratriangular 

 nervules on all the wings; pterostigma brownish ochreous, 

 between black nervures; fore wings with the triangle of 2 

 or 3 cells, followed by two rows of cells, increasing, subtri- 

 angular space (lower triangle of De ISelys) divided by a 

 nervure : hind wings with 13 or 14 antenodal and postnodal 

 cross-nervules, triangles traversed, followed by one row of 

 3 cells and then by several of 2, increasing ; anal triangle of 4 

 cells ; subtriangular space divided. 



I suspect that this insect may be the male of G. bifasciatus, 

 Hagen, described from Tehuantepec, but cannot put them 

 together without authority. 



One specimen only. 



Cyclophylla obscura, sp. n. (PI. XV. fig. 4.) 



( ? , 0.) No description. 



Long. corp. 55 millim. ; exp. al. 76 millim. ; long. pter. 

 4tf millim. 



Uniform dark reddish brown, inclusive of neuration ; sides 

 Ann. & Mag. N. Hist. Ser. 7. Vol. iii. 27 



