Calvert : Odonata of the Neotropical Region. 245 



Januaria, in Minas Geraes, December 12, 1907, by J. D. Haseman, 

 1 r?. Carnegie Museum, Pittsburgh. 



Paraguay, Sapucay, November to March, by W. T. Foster, 15 cf, 

 7 9. U. S. National Museum. 



Bahamas, Eleuthera, April 11-21, 1897, by C. J. Maynard, 

 [November 14, 1890, 1 pair in coituj ; New Providence, vicinity of 

 Nassau, June 28-July 1, 1904, by Allen, Barbour, and Bryant, 2 c? ; 

 Andros, Mangrove Cay, August 1, 1904, by O. Bryant, 2 $ \ Cat, 

 Port Hour, [Nov. 21, 1890, 1 c?]. The specimens in brackets 

 by J. P. Moore and D. J. Bullock, University of Pennsylvania Ex- 

 pedition ; the others in the Museum of Comparative Zoology. 



166. Orthemis aequilibris sp. nov. 



$ . Belonging to the group of O. ferruginea and sulphurata (group 

 A, Biol. Centr.-Amer. Neurop., p. 232). Labium yellow, with a 

 median dark brown band 2-2.5 mm - wide, femora and tibiae superiorly 

 reddish-brown, tip of wings clear or smoky. Sides of thorax brown, 

 somewhat purplish in some, with two horizontal longitudinal greenish 

 or greenish-yellow bands; the upper 1-1.2 mm. wide, beginning on 

 the upper end of the mesinfraepisternum and lower end of the mes- 

 episternum and extending to the upper half of the hind margin of the 

 metepimeron, slightly interrupted at the humeral and second lateral 

 sutures ; from the band a short slender indistinct stripe runs upward 

 bordering the humeral suture anteriorly ; the lower band, .3-. 6 mm. 

 wide, borders the latero-ventral metathoracic carina for its whole length, 

 and is continued forward to the base of the second leg by two sepa- 

 rated larger spots. Mid-dorsal thoracic carina and a narrow con- 

 tiguous stripe on each side thereof greenish-yellow, the whole forming 

 a band .8-1 mm. wide. Abdomen moderately stout, 2.7-3.5 mm - 

 wide at the base of 4, this segment 1 .4 times as long as wide. Labrum 

 orange, free margin, and a transverse (to long axis of body) median 

 mark of variable length, black. 



Abdomen 28-33, hind wing 38-43 mm. 



c?. Unknown. 



Habitat: — Surinam, 2 9. U. S. National Museum. 



Paramaribo, by Miss Kate Mayo, 2 9, one dated December 18, 

 1904. Academy of Natural Sciences of Philadelphia. 



Venezuela, i ?. U. S. National Museum. 



Brazil, Bom Fim in Bahia, November 3, 1907, at north edge of 



