xxxiii, '22] ENTOMOLOGICAL NEWS 141 



inferior lamella of the superior appendage, the latter lamella of 

 which overlaps and engages the anterior border of the mr- 

 stigmal lamina. 



In tenerals of both sexes the yellow or orange color of adults is 

 replaced by pale blue, yellowish appearing first on the face and frons. 

 Abdominal segment 9 of the female has the dorsal black of nearly 

 uniform width in nearly every case, rarely the apical third or fourth 

 is abruptly narrowed and more rarely the dorsal black is triangular 

 in shape, but, as indicated by Hagen's original description and contrary 

 to Cal vert's description (p. 378, loc. cit. ), the black may not reach the 

 apex of the segment by a distance of sometimes as much as nearly 

 one-third the length of the segment, though usually the color is as 

 described by Calvert. The pale postocular spots in both sexes are also 

 not constant and I have seen males in which the spots might properly 

 1>e described as more nearly linear than cuneiform. 



In Hagen's original description of the male pollutant, ab- 

 dominal segment 9 and the sides of 10 are blue. This is tnu- 

 only of very teneral specimens. Dr. Calvert arrived at his 

 determination of pollutant by sending drawings and notes to 

 Mr. Banks for comparison with the Hagen types. To further 

 confirm the matter I sent specimens to Mr. Banks, who care- 

 fully compared the Fort Myers specimens, collected by Mr. 

 Williamson, with the seven specimens in the Hagen collection. 

 Mr. Banks not only compared the abdominal appendages hut 

 carefully checked the color patterns of head, thorax, legs and 

 abdomen, and he writes that the two sets of specimens are 

 identical, and that the "blue" of segment ' is certainly an 

 error. 



In a letter of November 6, 1921, Dr. Calvert writes: "Laurent 

 recently sent me some E. polhttiiin be took at Gunntown, Florida, last 

 March, one male of which had a pair of orange stripes, transverse to 

 the main axis of the body, on the disk of the nasus and orange twin 

 spots on the dorsum of the mid prothoracic lobe as in the female; 

 pale antehumeral and black humeral stripes each .37 wide at mid- 

 height. Abdomen 28, 9 (in copulation therewith) 27; hind wing 



<? 17.5. 9 19." 

 Enallagma vesperum Calvert. I'ahmlale, Florida, April 1, r.i:M, 1 



9 ; Kathwood, Aiken County, South Carolina, May 4 and May .">, 

 lOL'l, 2 $, 1 9 , all by J. II. Williamson. 



The South ('arolina specimens were sent to Dr. Calvert who 

 pronounced them rrx/vru;;;. The 1'almdale female is certainly 



