418 MR. A. G. BUTLER ON THE 



Readily distinguishable from H. capys by the transparent area 

 in secondaries. 



4. H. THETis = Sphinx thetis, Linnceus, Mant. i. p. 539. 

 Zygsena thoas, Fabricius, Sp. Ins. ii. p. 16G, n. 53. 



§ . Venezuela {Dyson). B.M. 



This is E. thetis, var. ? of Walker. 



5. H. LENEus = Sphinx leneus, Cramer, Pap. Exot. iii. pi. 248, f. G. 

 (S • Demerava. (Bowerbank). B.M. 



This is E. thoas, var. ? of Walker ; it differs from the preceding 

 species in the less brilliant metallic colouring of the abdomen, 

 the smaller transparent area of secondaries, and the smaller white 

 spot at apex of primaries. 



6. H. TETRAGRAMMA = Euchroinia (Eucereeou) tetragramma. Walker, 

 Lep. Het. i. 268. 



c? . Santarem (-Sa^es). Type, B.M. 



7. H. PYRRHOSOMA, n. Sp. 



Larger than the preceding species, the wings longer, the hyaline spots 

 towards apex of primaries united, the secondaries with a narrower 

 blackish border : back of head dull ochraceous, the pterygodes mar- 

 gined and the thorax longitudinally streaked with the same colour ; 

 coxae, trochanters, and distal half of femora red, the remainder of 

 the legs brown : expanse of wings 32 millims. 



Para {Graham). Type, B.M. 



Easily distinguished from H. tetragramma by its superior size 

 and the colouring of the legs, the tibiae of that species being alter- 

 nately spotted with reddish and black . 



8. H. soLiCAUDA,n. sp. 



Euchromia (Eucereon) tetragamma, var. jS, and {em.l Walker, Lep. 



Het. i. p. 268. 

 d, 5. Honduras (D«/5ora). Types, B.M. 



This is altogether a paler species (that is to say, with more 

 white colouring in the wings) than the two preceding it. 



Genus Acridopsis, n. gen. PI. XXIX. fig. 14. 



Allied to the preceding genus ; wings alike in both sexes, the first 

 subcostal branch of secondaries wanting, but the false radial and 

 its recvirreut continuation present ; lower discocellular reduced 

 almost to a point ; lower radial curved ; costal margin slightly 

 excavated. Type A. latifascia, Walker. 



