Pull. 20. VII. 1934. 
137 
L1TH0PHANE; XYLINA; DlCHONIA. By Dr. M. Draudt. 
shows a somewhat brownish yellow tinge; the dark striations are fainter and inclined to purer grey. Hindwings 
pure white, sparsely scaled. From Montagna Grande, occurring in September. 
29. Genus: Lithophane flh. 
L. soda Rott. (Vol. 3, p. 125, pi. 30 g). — nigricans Klem. is a much darker form, with blackish fore- nigricans. 
wings. Described from Poland. 
L. ornitopus Rott. (Vol. 3, p. 125, pi. 30 h).—• duebenia Strd. is an aberration from Saxony; with blacken- duebenia. 
ed central area, so that resemblance to Folia serena is created. — lact/ipennis Dadd is an english form with ladei- 
very white forewings and fainter markings. —- japonica Neuburger is the east asiatic and Japanese race. It is P ennw / 
slightly smaller, has darker bluish grey forewings which are less richly marked, also paler hindwings. 
L. prainosa Btlr. (Vol. 3, p. 125, pi. 30 h). Strand has described 3 colour varieties: —- albidior, whiter albidior. 
with faint greenish hue, — • lilacina, lilac-grey, no greenish tinge and — - fusco-lilacina, lilac-grey with dark brown- liiacina. 
ish hue, especially in central area. All 3 from Japan. l“ sco .~ 
x J lilacina. 
L. lamda F. (Vol. 3, p. 125, pi. 30 i). The following is given as a form of zinckenii: —- sericata Candeze sericala. 
uniformly silkily glossy grey-black, without any shade of bluish and without the whitish patches at the black 
streak markings. Hindwings darker. From Belgium. 
L. furdfera Hufn. (Vol. 3, p. 126, pi. 30 i). —• debrunneata Strd. has pale grey forewings with scarcely debrun - 
any trace of brownish. — - obscura Lenz is a much darker grey form from Bavaria. — miihlschlegeleri Rangn. Fore- n< j ata ‘ r 
wings black-brown, basal streak, transverse lines and apex dusted with bluish grey. Reniform stigma spot- 
ted rusty yellow. Fringes of hindwings more rufous than type. From the swamps of Rokitno. schlegeleri. 
L. ingrica H.-S. (Vol. 3, p. 126, pi. 31 a). —- lucida Huene (17 g) is of much paler, almost grey-white lucida. 
colouration. Esthland. 
L. lapidea Hbn. (Vol. 3, p. 126, pi. 31 b). — ochreimacula Rothsch. Head and thorax blue-grey, abdomen ochrei- 
paler brownish. Forewings mouse-grey with obsolete brown transverse lines and a brown central band. In macula. 
the latter, behind claviform stigma there is an ochreous brown spot. Hindwings cinnamon-brown, peppered 
with grey and with rosy fringes. Algeria. 
L. holophaea B.-H. i. 1. ? (17 g) is like merckii, but somewhat smaller and more smoothly scaled. It is holophaea. 
blue-grey with less bold longitudinal markings and somewhat paler at costa. From a specimen in the Pungeler 
collection designated by the above name. I have not been able to find a description anywhere. From Semi- 
retshje. 
30. Genus: Xylina Tr. 
X. vetusta Hbn. (Vol. 3, p. 127, pi. 31 c). —- ab. dufayi G. d’Aldin is an unusually dark aberration in the dufayi. 
colouration of exoleta, i. e. the upper third of forewings is coloured as the inner marginal third of exoleta, the 
other two-thirds are blackish. The author thinks this may be a hybrid of the two species. Chantilly (Oise). 
X . japonica Hoene (17 g) is an almost reddish black species in the type form. Only in and posterior to japonica. 
reniform stigma, there is a brown longitudinal streak, which also intersects the subterminal line. Otherwise it 
closely resembles exoleta in the markings, but the black sagittate streak between veins 4 and 5 is absent. Kobe 
(Japan). —■ nihonica Hoene (17 g) is without a doubt only a form of this variable species. It is much paler red- nihonica. 
dish or blackish brown, one of the specimens now before me has an almost chalky white ground colour. Sub- 
apically there is a paler yellowish red patch and in central area it is irrorated with blackish. Head and pro¬ 
thorax fulvous as in type form, collar with brown edges. Also from Kobe. 
X. exoleta L. (Vol. 3, p. 127, pi. 31 d). The central asiatic form —- impudica Stgr. is now illustrated from impudica. 
a specimen in the Pungeler collection (17 g). 
31. Genus: IMcliouia Hbn. 
D. areola Esp. (Vol. 3, p. 128, pi. 31 f). — ab. rosea Tutt. Freshly emerged specimens are often suffused rosea. 
with rose, but this soon fades when the specimens are placed in collections. -— kanei Rbl. Forewings have an kanei. 
impure whitish ground colour, with the markings a brownish yellow rather than black. From Ireland. 
—- hyerensis Strd. (= modesta Warn.) (17 h) with pale grey ground colour and stigmata delicately outlined hyerensis. 
in black, the long black arched streak below stigmata is absent, a fine black basal streak is present. 
S. France, Spain, Capri, central Italy. —• mustapha Obth. is approximately the same form from Algeria, mustapba. 
Supplementary Volume 3 18 
