( 1(12 ) 



along the median vein ami iijicurved to the spot at end of cell, then straight to 

 siilimurgitial lini' and again oliliiiue ii|)\vards to margin ; the transverse lines, as 

 de.M-riliwl hy JMevrii-k, arc in this exaiuph' more or less faint or obsolescent, whih.^ 

 the veins beyond the middle are in phiecs marked witii blackish scales. The iiind- 

 wiugs are wholly whiti>li. 



One J from Roebonrue, \\'est Australia. 



Though I have not seen an example of typical t<feiv/'/\it< Meyr., I liave little 

 doubt that this insect is rightly referable to it, thougli the horizontal dark streak 

 gives it a very abnormal appearance. Meyrick's three examples were all from West 

 Anstralia. 



SiDKAMiT.r (iEOMETIilXAE. 

 Dithecodes gen. uov. 



Forewinijs : costa faintly curved throughout ; hindmargin oblii^uely curved. 



Hindwingg : with a blunt but perceptible elbow at vein 4. Palpi short, 

 porrect. Antennae (?) lamellate, sul)dentate, pubescent: tongue and frenulum 

 present ; hind-tibiae with terminal spurs only. 



JS'euratioH : forewings, cell about half of wing ; median and subcostal conver- 

 gent towards end ; discocellular vertical ; tirst median just beyond middle, second 

 well before end of cell ; lower radial from a little above middle of discocellular ; 

 upper from top end of cell ; T, S, 0, stalked ; 10 and 11 from cell, 10 anastomosing 

 with 11, and again with 8, 9, forming a double areole. Hindwiugs with costal 

 touching subcostal near base ; 0, 7 very short-stalked ; medians as in forewings ; 

 radial from above middle of discocellulai'. 



Type : Dithecodes erasa sp. uov. 



The neuration is (jnite anomalous for tiiis subfamily, vein lu being usually 

 stalked with T, 8, 9; as it is also in all the genera oi Stenlnnaeyi\i\Q.\\ have a double 

 areole. 



10. Dithecodes erasa sp. no v. 



Wmijs : dull pale yellowish-green, with no visible markings. 



Underside paler. 



Head, thorax, and abdomen concolorous ; face and tips of palpi black-brown. 



Expanse of wings : 30 mm. 



One ? from Japan, without further locality. 



Halophanes gen. nov. 



Fm'ewiuy-'i : with costa arched at base, tiien straight or nearly so till closti 

 before apex ; apex blunt, rectangular : hindmargin somewhat incurved below apex, 

 then strongly bowed, and below the middle very obliijue to anal angle : inner 

 margin very short, hardly more than Juilf the costa. 



Hindwinys : irregularly kite-shaped, the costa short, as lung as the inner 

 margin of forewings ; the inner margin longer ; hindmargin with a prominent 

 blunt tail at end of third median, and an elbow at end of second subcostal. 

 Frenulum absent. Palpi very short : tongue present : antennae of <S pubescent, 

 hardly ciliated ; legs slender. 



Neuration : cell barely one-third of wing ; discocellular coucave ; tirst median 

 close before angle of cell ; second and third sliortly stalked ; lower radial from 



