306 PROCEEDINGS : BOSTON SOCIETY NATURAL HISTORY. 
Variations in generic characters of JBrechmorhoga. 
6. Two on both front wing’s and one hind wing of one female 
mendax , both front wings of one male rapax , one front wing 
of one male mendax, 4.683%. 
7. On the front wings, nearer than the second antenodal in men¬ 
dax, praecox, postlobata , one female nubecula, at or beyond 
the second antenodal in rapax , pertinax, one male and two 
females nubecula, grenadensis ? (Chiriqui $). On the hind 
wings variable. 
8. Two on one front wing of one female nubecula , .781 J%. 
9. Free on one side of one male mendax, one female nubecida , 
on both sides of three males postlobata, one male grenadensis ? 
(Chiriqui two females nubecula, one male praecox, 25%. 
10. Crossed on one side of two females mendax , 3.J %. 
11. Two-celled on one side of one male mendax , one rnal postlobata, 
and one male praecox, on both sides one male grenadensis ? 
(Chiriqui $), 7.81J %. 
The variation in the variable characters 6, 8, 9,10, and 11 is for 
the males 7.983%, for the females 5.238%, character 9 offering 
an especially great amount. The number of individuals was 17 
males, 15 females. 
Variations in generic characters of Scapanea. 
\ 
7. On the front wings between the first and second antenodals 
of four males and one side of one male; at the second on both 
sides of one male, one side of one male. On the hind wings 
at the second antenodal. The series of Scapauea at Cam¬ 
bridge was not studied, and the statements made in this paper 
are based on but six males. 
Variations in generic characters of Macrotliemis. 
3. In the first section of this genus the tarsal nails are distinctly 
shorter than the tip of the nail itself; in the second the nail is 
as long as or longer than the nail tip. Celaeno is of this second 
group, but some females have the nail as relatively short as it 
is in Dvthemis. 
