THE CANADIAN ENTOMOLOGIST 391 



" cf. cercis foliaceis, in latere interno basi apiceque gibbiferis 

 s. auritis. 



"Aus Surinam, in Sommers Sammlung," 



Staiirophlebia magnifica Brauer from Brazil is probably a 

 synonym of this form. 



The specimens in the series studied are labeled as follows: — 



Rockstone, British Guiana, Feb. 2, 1912, 2 cf 's; idem, Feb. 12^ 

 1912, 7 cT's; idem, Feb. 14, 1912, 4 cf' s, 2 9 's. 



Tumatumari, British Guiana, Feb. 9, 1912, 1 cf . 



These specimens measure as follows: — 



Males — Length of body, 94.5-100 mm.; of abdomen (including 

 appendages) 73-78 mm.; of hind wing 62-65 mm. 



Average measurements of 11 males — Body 96.6 mm.; abdomen 

 74.8 mm.; hind wing 63.2 mm. 



Females (appendages broken in one specimen) — Length of 

 body 92-94 mm.; length of abdomen (excluding appendages) 64-69 

 mm. ; length of hind wing 63-64 mm. ; length of appendages 6.5 mm. 

 Staurophlebia reticulata obscura, n. subsp. 



Under this name I include all the specimens in the series from 

 Trinidad. They have been sufficiently characterized above. 



These specimens consist of 7 cf's and 3 9 's from Baracon, 

 Chaquanas, Trindidad, all dated March 7, 1912. 



The 6 o^ 's and 2 9 's examined measure as follows : — 



Males — Length of body, 92-98 mm. ; of abdomen (including 

 appendages) 71-76.5 mm.; of hind wing, 60-66.5 mm. 



Average measurements of 6 d^ 's — body 94.4 mm. ; abdomen 

 73.5 mm.; hind wing 63.5 mm. 



Females — Length of body 88.5-97 mm.; of abdomen (excluding 

 appendages) 63-68.5- mm.; hind wing 65.5-71 mm.; appendages 

 6.5-7 mm. 



Staurophlebia reticulata guatemalteca, n. subsp. 



The single specimen of this form examined is a male from Los 

 Amates, Guatemala, taken by Mr. Williamson, on June 21, 1909. 

 It may not represent a valid race, but cannot properly be placed 

 with either of the other two. 



The specimen measures as follows: — 



Length of body 99 mm. ; of abdomen (including appendages) 76 

 mm. ; of hind wing 67.5 mm. 



