1894.] FROM TROPICAL AMERICA. 229 



15. Mach^raptenus yes'tralis, sp. nov. 



Head black. Collar creamy yellow edged with black. Thorax 

 black ; patagia creamy yellow tipped with black. Abdomen 

 dorsally black, shaded with blue on the posterior half ; imderneath, 

 coxae and abdomen orange. Primaries yellowish white ; the costal 

 margin black ; the base narrowly black ; the inner angle finely 

 black. Secondaries whitish. Exp. 42 millim. 



Hah. Aroa, Venezuela. 



16. IdALUS ElfERTIS, Sp. HOV. 



Palpi white, pink at the base. Head white, with a transverse 

 pink streak. Collar white, laterally shaded with pink. Abdomen 

 crimson dorsally, white underneath. Legs white, coxse crimson. 

 Primaries above bright yellow ; the costal and inner margins 

 finely white, the costa otherwise pinkish ; a purplish shade con- 

 tiguous to the white on the inner margin ; a small purplish spot 

 in the cell, and a large spot of the same colour at the end of the 

 cell and extending beyond it ; an outer transverse row of small 

 purplish spots. Secondaries above white, with a few rosy hairs at 

 the base. Underneath, the primaries are bright yellow, with the 

 cellular spots crimson instead of purplish ; secondaries white. 

 Exp. 31 millim. 



Hah. Castro, Parana. 



17. Etjceeoit aeoa, sp. nov. 



Head brown, two orange spots behind the antennae. Collar 

 brown. Thorax brown ; a yellow streak on patagia. Abdomen 

 greyish brown ; anus orange ; underneath banded with white. 

 Primaries whitish grey ; all the veins and apex dark grey ; a sub- 

 apical transverse Avhite shade. Secondaries light greyish hyaline, 

 the margins dark grey. Underneath, the primaries are of a uniform 

 grey, with only the subapical white shade. Exp. 5 31 millim. 



Hah. Aroa, Venezuela. 



06s. Closely allied to E. costulatum, H.-S. 



18. EUCEREOK DENTATTJM, Sp. nOV. 



Head grey, posteriorly crimson. Collar and thorax grey, 

 streaked with black. Abdomen with the first segment grey ; 

 otherwise crimson dorsally, white below, black laterally; anus 

 tipped with black. Primaries light grey ; a basal and an inner 

 dentate transverse darker line ; beyond the latter a dark spot in 

 the cell ; a median dentate line followed by a large dark blotch at 

 the end of the cell, which reaches from the costa to vein 2 ; an 

 outer dentate line crossing a dark spot between 2 and 3, and 

 followed by a similar line which does not reach the inner margin ; 

 a terminal row of dark spots, the largest one being just above the 

 inner angle. Secondaries grey, the disk faintly hyaline. Under- 

 neath, the wings are dull grey. Exp. 31 millim. 



Hah. Coatepec, Mexico. 

 Proc. Zool. Soc— 1894, No. XVI. 16 



