BY E. MEYRICK. 505 



34. Xysm. trifasciana, Walk. 

 (Penthina trifasciana, Walk. 377.) 



^. 16-17 mm. Head white. Palpi and antennae dark fuscous. 

 Thorax dark fuscous, posterior extremity white. Abdomen pale 

 yellowish-ochreous. Legs dark fuscous, posterior pair pale 

 yellowish-ochreous. Forewings elongate, costa rather strongly 

 arched, apex obtuse, hindmargin obliquely rounded ; 7 and 8 

 stalked ; white ; markings purple- blackish ; a narrow basal mai'k, 

 produced along costa, sometimes reaching first fascia ; three 

 moderately broad fascise ; first at \, sometimes running into second 

 l)eneath costa; second from before middle of costa to beyond 

 middle of inner mai-gin; third from about f of costa to anal angle, 

 dilated and furcate on costa ; sometimes a slender streak along 

 upper half of hindmargin : cilia whitish-ochreous, towards tips 

 dark fuscous, base also dark fuscous opposite wing-markings. 

 Hindwings dark grey, towards inner margin sometimes suffused 

 with pale ochreous-yellowish ; cilia grey, on inner mai-gin pale 

 ochreous-yellowish. 



Brisbane, Queensland; Sydney, New South Wales; in April, 

 three specimens. Although the form of variation is curious and 

 exceptional, I have no doubt that the specimens described belong 

 to the same species. 



35. Xysm. vielanarthra, n.sp, 



9. 10 mm. Head pale ochreous-yellowi.sh. Palpi, antennae, 

 and thorax dark fuscous. Abdomen dark fuscous, posteriorly 

 mixed with pale yellowish, anal tuft ochreous-yellow. I-egs dark 

 fuscous, apex of joints whitish-ochreous. Forewings elongate, 

 costa rather strongly arched, apex obtuse, hindmargin obliquely 

 rounded ; 7 absent ; yellowish-white ; markings purple-blackish ; 

 a large basal patch, outer edge extending from \ of costa to I of 

 inner margin, curved ; a rather broad fascia from before middle 

 of costa to beyond middle of inner margin ; a fascia from about 

 I of costa to anal angle, dilated and furcate towards costa ; a 



