HAGENIUS 65 
6. CyrcLOPHYLLA Selys 
Elongate, brownish, clear-winged dragonflies of moderate or rather 
large size. The triangle of the forewing points outward, the angulation 
of the cubital vein being moderate. In both wings the triangle is 
divided by one to three cross veins. There is an anal loop of two or 
three cells. (For an exotic nymph see Ndm. ’11, p. 394.) 
This is another tropical American genus of about a dozen species, one 
of which just enters our limits on the Mexican border. 

protracta 
6. Cyclophylla protracta Selys 
Selys ’59, p. 546: Mtk. Cat. p. 80. 
Length 68 mm. Expanse 86 mm. Tex. 
This is a fine brown species with a long slender abdomen. Face yellowish, cross 
striped with pale brown; labrum bordered and crossed with reddish brown. 
Thorax brown striped with bright yellow. Brown stripes of the first pair con- 
fluent with each other and with 2, around the narrow, isolated, yellow stripes 
upon the front. Stripes 2 and 3 confluent at ends; separated between by a narrow 
yellow line. Stripes 4 and 5 complete, confluent above; 4 broader than 5. Ab- 
domen yellowish above, brown at sides and across apices of segments 2-9; more 
brown posteriorly. 10 yellow. Appendages brown. 
7. Hacentius Selys 
These are big black stout-bodied, long-legged dragonflies. The wings 
are long and powerful, with a rather narrow but well-braced stigma. 
The triangles are elongated, and angulated on the outer side, with a 
well developed trigonal supplement springing from the angle. The anal 
