132 NEUROPTERA OF NORTH AMERICA. 



males, subflavescent, pterostigma moderate, fuscous ; nineteen an- 

 tecubitals ; twelve postcubitals. 



Length 60 — 70 millim. Alar expanse 84 — 90 millim. Ptero- 

 stigma 3^ millim. 



Hah. Cuba (Poey) ; Jamaica ; Brazil. 



This species migrates in flocks during the early part of spring. 

 (Poey.) 



2. Gyn. septima. 



Gynacantha septima Selys, Poey Ins. Cuba, 460. 



Similar to the preceding, brownish-olive, the extremity of the 

 front with a transverse, obsolete, fuscous spot; feet pale ferrugi- 

 nous ; wings hyaline, or a little infuscated (adult) ; pterostigma 

 rather short, fuscous ; the male with a small, 4-toothed auricle 

 (3-toothed in Gyn. trijida)'^ appendages, superior ones long, slen- 

 der, acute ; the inferior one very short. (Male ; from the descrip- 

 tion of De Selys Longcharaps.) Of a little smaller size than Gyn. 

 trijida. 



Hah. Jamaica ; Brazil. 



Not sufficiently known to me. 



Tribe III. LIBELI.UI.INA. 



Wings unequal; triangle of the anterior wings dissimilar; ante- 

 rior genital hamule of the male free; penis and vesicle conjoined; 

 genital organs of the female uncovered. 



Sub-family V. CORDULINA. 

 Eyes with a tubercle in the middle, posteriorly. 



MACROMIA Rambuk. 

 Legs very long; tarsal unguiculi bifld, the branches equal. 



1, M. taeniolata! 



MacTomia taeniolata Rarnb. Neuropt. 139, 3. — Macromia vittigera Ramb. 

 Neuropt. 140,4. — Macromia cincta Ramb. Neuropt. 141, 5. 



Obscure brassy-green ; mouth luteous; front with a fascia ante- 

 riorly yellow, above excavated, brassy-gueen ; thorax brassy-green, 



