SOVITATES ZOOLOGICAE XXIII. 1916. 269 



19. Hemihyalea lehmanni spec. nov. 



?. Antennae yellowish cinnamon-brown; head frons cinnamon-bnff ; vertex 

 Yellowish cinnamon-brown ; thorax and abdomen yellowish cinnamon-brown ; anal 

 segment grey, anal tnft buff. 



Forewing semihyaline pale rnsty yellowish cinnamon-brown, almost com- 

 pletely clothed with scales on costal and inner areas and terminal fourth of wing. 



Hindwing semihyaline brownish cinnamon-yellow. 



Length of forewing : 35 mm. Expanse: 79 mm. 



Hab. Popayan, Colombia (Lehmann). 



20. Hemihyalea ferreobrunnea spec. nov. 



c?. Forelegs cream-bnff; palpi rusty chocolate, cream at tips; head, frous 

 cream, vertex rnsty cinnamon-chocolate ; antennal shaft grey, long pectinations 

 cinnamon-chocolate ; thorax cinnamon-chocolate ; abdomen pale cinnamon -choco- 

 late ; last four segments dark sooty-brown with lateral grey spots, claspers cinna- 

 mon-buff. 



Forewing : basal, costal and inner areas and terminal fourth of wing rusty 

 cinnamon-chocolate; whole disk hyaline very slightly powdered with rusty 

 cinnamon-chocolate scales ; nervures rusty cinnamon-chocolate. 



Hindwing almost hyaline, abdominal and terminal areas and nervures pale 

 cinnamon yellowish brown. 



?. Differs in the abdomen being almost as dark as thorax, and only the last 

 two segments are pale grey, not as in g the four last sooty-brown. 



Length of forewing : <$, 36 mm. ; ?,35mm. Expanse: c?, 80 mm; ?,77mm. 



Hab. Monte Tolima, 2800-3200 metres = 9100-10,400 ft., January— February 

 1910, Colombia (A. H. Fassl). 



21. Hemihyalea subtenuimarg'O spec. nov. 



c?. Closely allied to temiimargo Dogn. Forelegs cream-white in front; head, 

 frons cream-buff, vertex maroon ; antennae brown ; thorax maroon, collar and 

 shoulders cream-buff; abdomen rosy carmine. 



Foreicing hyaline, slightly obscured here and there by a few brown scales ; 

 basal, costal and inner areas golden brown ; terminal area deep brown. 



Hindwing hyaline, terminal margin pale grey-brown, abdominal area clothed 

 with satiny buffy yellow hairs. 



Length of forewing : 34 mm. Expanse 75 mm. 



Hab. Monte Tolima, 3500-3800 metres = 11,300-12,400 ft., February 1910. 

 Colombia (A. H. Fassl). 



22. Amastus watkinsi spec. nov. 



? . Pectus orange ; palpi orange with two black spots ; head black, white, and 

 orange ; antennae black, thorax orange ; tegulae, front half white, hinder half orange 

 edged with black ; patagia white, centre orange edged with black ; abdomen orange 

 yellow, a lateral band of white above and below which runs a series of black spots, 

 those above with white, those below with orange centres. 



Forewing semihyaline cream-white, strongly suffused with cinnamon on basal 

 half of inner area and terminal fourth of wing, nervures black ; an orange spot 

 at base, a broad antemedian band preceded closely by a narrow one, together one- 



