CALVERT: MACROTHEMIS AND ITS ALLIES. 
305 
The asterisk in the preceding table indicates characters in which 
variations have been noted, the statements given applying to the 
majority of individuals examined. These variations will now be 
recorded corresponding to the numbers in the first column of the 
table. 
Variations in generic characters of Dythemis. 
6. One female tabula has but one row in one front and both hind 
wings, 1.21%. * 
7. At the second antenodal or somewhat beyond in rufinerms, 
velox, and most sterilis ; between the first and second anteno- 
dals fugax, constricta , some sterilis , one front wing of one male 
rufinerms , both front wings of one female rufinerms. 
9. Free on both sides of one female sterilis from Tehuantepec, 
on one side of one male tabicla , 2.419%. Among the 91 
62 9 of D. sterilis already quoted from Proc. Cal. acad. sci., 
(2), vol. 4, p. 524, no such variation was found, which would 
reduce the total variation in this one character to .465%. 
10. Crossed on one side of two males and one female fugax, one 
female sterilis from Tehuantepec, one male sterilis from Guate¬ 
mala; on both sides one male fugax, 5.645%. 
12. In sterilis it is not uncommon to meet with two rows for 1-3 
cells in the midst of the three rows. 
13. Three in some fugax, but where this is the case there are two 
rows for one or more cells farther out in the field; consider¬ 
able asvmmetry prevails in the details. 
The variation in the variable characters 6, 9, and 10 is for the 
males 2.274%, for the females 3.017%, the number of indivi¬ 
duals of these sexes being 33 and 29 respectively. 
Variations in generic characters of Paltothemis. 
10. Crossed on one side of one male lineatipes, on both sides of 
two males, 25%, all of which is furnished by males, viz. 
31J%<?, 09- 
12. Two or four rows may be inserted in the midst of the three 
rows for a distance of 1-3 cells in lineatipes, and there may 
be four cells immediately after the triangle. 
