PuiLrorr.— Veration of New Zealand Species of M icroplerygidae. 159 
ubito-n ES. Y-Vein.—In several species the cubito- median Y-vein is 
more or less obsolete. It is fairly well developed in lweilia, calliarcha, 
doroxena, chrysargyra, and aurella— that is, in those forms in which the 
Sc Raa R R А, R 
C 
Соль 
1A 
Fic. 9. E of Sabatinca ianthina Philp. (Lettering : 1A, 2A, 3A, first, second, 
d third апа; a Са», primary branches of the cubitus : Саза, Cui», 
branches, E Сиу; hm, а veinlet ; ia,, first inter-anal cross-vein ; 
М;_5, ана of the media; Rs, radial iot, ; P hawaii radial 
fork ; ҮР, ; gren radial fork ; n. Е уь, bra 
branches of the radial sector Sc,, Seo, 
radial 
nches of R, з Ry-s, 
branches of the това; с: +, д-на 
cross 
Fig. 10.— wing of Sabatinca calliarcha Me 
ee à (For lettering see fig. 9. 
yr, to show modification of the anals. 
) 
wing is broader basally—but in the narrower-winged species it has almost 
disappeared. н e upper branch (М,) is always the longer and more pro- 
minent of the tw 
-a).—This cross-vein is present in luciha, 
е ve de =ч ina, rosicoma, incongruella, and demissa, 
aap рна e last five ; it is absent in zonodoxa, quadrijuga, 
Its presence or absence 
ificance, as it is not correlated with any 
other structure. 
