﻿—59— 

 CRESSONIA HYPERBOLA n. var. 



BY ANNIE TRUMBULL SLOSSON. 



I give the above name to a very strikin*)^ form of C. juglandis 

 found by me last Spring- in Florida. My one specimen is a female, 

 much smaller than the usual form, and even a little smaller than any 

 male in my collection. The coloration is very pale and uniform, 

 somewhat like that of Mr. Strecker's pallens, but with a purplish 

 tinge. But the distinctive peculiarity of this form lies in the course 

 which the two median lines take. The upright basal line is as usual, 

 except that it is somewhat diffuse; the next spoken of by writers in 

 their descriptions oi juglandis ixs "at basal third and more nearly 

 perpendicular to costa" than the basal line, runs as usual until just 

 below vein two (medio posterior), when it joins the third line. This 

 third runs as in the ordinary form, from outer third of costa, curving 

 obliquely inward, but grows abruptly more oblicjue and meeting the 

 second line, the two form a loop, which lies on and below vein two. 

 The lower part of the usual median lines is entirely wanting, as is 

 also the dark shade between them, which, in the ordinary form, 

 makes a patch upon inner margin. The outer line parallel with 

 second median is present and distinct; the peculiar loop, open to 

 costa and taking the place of the usual transverse median lines, gives 

 the wing a striking and unfamiliar look, and suggests the varietal 

 name I give to this form. The secondaries have but one transverse 

 line, the usual inner one being absent. My specimen was taken at 

 light in Green Cove Springs, on the St. John's River, Florida. 



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