( 177 ) 



Length of forewing : 28 mm. 



Hab. La Union, Carabaya, S.E. Pern (Ockenden). 



1 ?. 



2L Mallocephala mag^na spec. nov. 



<?. Pectus orange-brown ; head and thorax brown ; tegulae margined with 



orange ; antennae buflSsh, pectinations brown ; abdomen orange. Forewing deep 



wood-brown; costa creamy bnff. Hindwing semihyaline wliite; basal two-thirds 



of inner margin orange; costa and two-thirds of onter margin dnll brownisli grey. 



Length of forewing : 20 mm. 



Ilab. Salta, North Argentina (J. Steinbach). 



1 <?. 



22. Mallocephala brittoni spec. nov. 



(J. Head, thorax, abdomen, and forewing brownish cream-colour. Hindwing 



white; antennae pale brown. 



Length of forewing : 15 mm. 



Hab. La Soledad, Entr.e Rios, Argentina, January 1899 (Miss E. A. Britton). 



6 (?<J. 



2;i. Mallocephala venata spec. nov. 



(?. Pectus white; head and tegulae pale grey; antennae rufous ; thorax white; 

 abdomen orange, densely clothed with white hairs almost hiding orange. Fore- 

 wing pale mouse-grey, with nervures all broadly white. -Hindwing white. 



Length of forewing : 20 mm. 



Hab. Preto, Minas Geraes. 



1 (J. 



24. Mallocephala insipida spec. nov. 



<?. Legs, pectus, and head clay -grey ; antennae rufous grey ; thorax, abdomen, 



and forewing cinnamon clayish grey. -Hindwing greyish white. 



Length of forewing : 16 mm. 



Hab. La Gama, Argentina, November 1^99. 



4 <?<?. 



25. Antarctia quadrata spec. nov. 



? . Nearest to honora Schaus. 



Differs by the paler foxy brown thorax and forewing, the latter sprinkled 

 with golden scales ; the abdomen is darker orange, and lacks the large terminal 

 buff cushion. Hindwing paler, and with basal half of inner area orange. 



Length of forewing : 22 mm. 



Hab. Sapucav, Paraguay, September 2, 1901 (W. Foster). 



1 ?. 



20. Antarctia palmeri spec. nov. 



<?. Pectns and logs deep brown ; head and thorax wood-brown ; antennae 



bnff, pectinations j)alo brown ; abdomen orange-brown. Fore- and hindwing 



greyish wood-brown. 



? . Much larger ; pectus, legs, head, thorax, and forewing very deep wood- 

 brown. Hindwing paler; antennae pale brown; abdomen black-brown, each 



segment with a terminal belt of long tliii'k orange hair.s ; a large buff anal 

 cnshion. 



Length of forewing : cJ 18 mm. ; ? 20 mm. 



12 



