24 GROTE—THE DESCENT OF THE PIERIDS. [Jan. 5, 
sideration, the more so since his critics do not seem to have been 
able to point out wherein his conclusions are really faulty, It is 
that Mr. Butler here mistook characters of convergence in the 
larve of Afate/a for characters of affinity, and this we can control 
by a study of both moth and chrysalis. Furthermore, Mr. Butler 
placed a classificatory strain upon these characters, which they 
cannot carry, in giving them family value. ‘Their value is generic, 
however much or little the moths agree ; the conclusion is irresisti- 
ble: we should use the larval specializations as the basis of generic 
names for the total cycle, if we are entitled so to use the specializa- 
tions of the imago. 
To continue our researches for generalized forms of the direct 
Pieris line, it is clear that we must confine ourselves to those in 
which the first two radials are in position above the cell, since the 
departure of R2 toward the tip of the wing is a further specializa- 
tion which we can even conceive Phu/ia has yet to undergo. 
Gen. Huphina Moore. 
Type: H. coronis. 
Huphina coronts. 
Radius four-branched, Ar and #2 in position above cell, but 
as compared with Pver’s, not so advanced along the vein. The 
neuration agrees with that of rvap@, but all the movements are re- 
tarded and show thus a preceding stage to that of Prer’s. The 
fork of #3 with #4 and 5 is longer. The cells are closed; on 
primaries J/1 ascends the radius for a shorter distance than in 
Pieris. On hind wings the humeral spur is pointed, turned out- 
waidly. An antecedent stage of Pveris, which the latter has 
abandoned. ‘The wings are of a similar texture with transparent 
veins. 
Huphina judith. 
Agrees with coronts, but slightly more specialized; 1 and R2 
are nearer together, but #2 is further from the cross-vein than in 
Pieris. Wings more produced ; the outline differing. 
We now come to two genera which agree with the Prercs plan 
generally in neuration, but have produced primaries and light, 
bright colors and represent two stages in specialization wide 
apart. 
