472 NOVITATES ZOOLOGICAE XXIV. UllT. 



more suffused with yellow ; a broad irregular subbasal dark-brown band fol- 

 lowed by a dull yellow stigma ringed with dark brown ; a curved median black- 

 brown band ; three crenulate black lines of varying sharp nessin outer two- 

 fifths ; a dark-brown patch below apex. 



?. Antennae black ; head, thorax, and abdomen saffron-yellow, anal tuft 

 sulphur-gre}\ Forewing saffron-yellow ; a round white spot below median in 



basal one-third ; a crenulate lunate transverse postdiscal white band, 



Hindwing saffron-yellow with lunate postdiscal white line less distinct. 



Length of forewing : S 23 mm., $ 29 mm., Expanse : <S 54 mm., ? 65 mm. 



Habitat. j\Iount Rossel, Rossel Island, Louisiade Islands, 2,100 ft., 

 December 1915 (W. F, Eichhorn), 9 36, 2 ?? ; Sud-Est Island, April 1898 

 (A. S. Meek), 1 9, 



Cotana rosseliana diluta subsp. nov. 



?. Differs from r. rosseliana in the postdiscal bands being almost obliterated. 

 Habitat. St. Aignan, Louisiade Islands, October 1897 (A. 8, Meek), 2 5$. 



Cotana affinis sp, nov. 



(J, This species is allied to erectilinea B, Baker. 



Antennae shafts black, pectinations brown : head brownish orange ; thorax 

 creamy cinnamon ; abdomen deep orange. 



Forewing basal one-third cream- white, an oblique subbasal chocolate band, 

 and a broad dark-chocolate antemedian band, in between these two bands is a 

 chocolate stigma with white centre ; outer two-thirds of wing creamj' grey 

 washed with brown ; a postmedian cream-grey band edged outwardly by 



■A crenulated chocolate hair line ; a large chocolate patch above vein 6, 



Hindwing orange-yellow, bright orange at base and on inner area ; two faint 

 transverse shadow lines, fringe brown. 



Length of forewing : 22 mm, Expanse: 50 mm. 



Habitat. Ninay Valley, Central Arfak Mountains, Dutch New Guinea, 

 November 1908 to January 1909 (A, E, Pratt). 



Cotana erectilinea (B. Baker). 

 Nervicompressa erectilinea Bethune Baker, Ann. Mng. Nat. Hist. 6(viii), p, 449. (1910)(Ninay Valley). 

 Of this species only 3S are known. 



Cotana erectilinea setakwensis supsp. nov. 



(J. Differs from e. erectilinea in the forewings much yellower and the hind- 

 wings paler. 



Habitat. Upper Setakwa River, Snow Mountains, Dutch New Guinea, 

 3,000 ft,, September 1910 (A. S. Meek), 6 <J<J. 



Cotana joiceyi subsp. nov. 



S. Differs from unislrigata in the forewing, having the basal half huffish 

 cream-colour, and the outer half huffish grey, not the whole wing pale liver-brown ; 

 the median band is more oblique and brown not black, and there is no stigma, 



?, Differs from the ? of unistrigata in being smaller, the white patch and 

 postdiscal bands much larger and pure white, and the nervures and margins 

 deep bright yellow ; thorax and costal area rufous orange. 



