374 MR. A. G. BTTTI.ER ON THE 



3. H. PRETUS = Sphinx pretus, Cramer, Pap. Exot. ii. pi. 175. figs. 

 E, F. 



St. Thomas. B.M. 



4. II. Grotei, n. sp. 



Very like H. pretus, but longer in the wing and much deeper in colour ; 

 the head yellow, with a transverse black line on the crest; collar 

 yellow, margined with black ; pterygodes plum-colour, margined 

 with orange; thorax clay-coloured, smoky brown in front and behind; 

 basal segment of abdomen purple in front, lemon-yellow behind ; other 

 segments dark clay-colour j second segment purplish opaline in front 

 and at the sides, with a very slender yellowish hind margin ; third 

 segment pale yellow at the sides behind j fourth to seventh very nar- 

 rowly rosy at the sides; antennae deep clay- coloured, with a black 

 band just beyond the middle ; outer half of primaries and secondaries 

 dark clay-colour, basal area of primaries bright clay-colour ; wings 

 below with basal area ochraceous ; pectus blackish ; coxae purplish, 

 with a white margin ; trochanters bright yellow ; femora purplish slate- 

 colour ; tibiae and tarsi ochreous, last pair of tibiae black at the proxi- 

 mal extremity : expanse of wings 44 millims. 



Jamaica {Gosse). Two specimens, B.M. 



I have named this prettj soecies after my friend Augustus E. 

 Cirote, the well-lcuowu American Lepidopterist. 



Grenus Orutjs^ia, JValJcer. 



1. Orcynia CALCARATA = Euchroraia (Orcynia) calcarata. Walker, 



Lep. Het. i. p. 274. 

 Santarem (Bates). Type, B.M, 



This magnificent hornet -lil^e species is evidently nearly allied 

 to the genus Uorama ; it also has many characters in common 

 Vfith Isanthrene : the wings are semi-opaque, so that it forms a 

 good transition from tlie opaque-v^'inged to the clear-winged 

 group. 



Section b. Wings translucent. 



Grenus Isanthrene. PI. XXVII. fig. 4. 



I. Isanthrene i'OMPiLoiDES = Glancopis (Isanthrene) pompiloides. 



Walker, Lep. Het. i. p. 156. 

 Guatem.ala [Stevens). Type, B.M. 



Before proceeding further with the species referred to Glmicopis, 

 I may as well remark that not only is the Fabrician type of the 

 genus doubtful, but the name Olaucopis had already been used as 



