LEPIDOPTERA HETEROCERA. 763 



apud costam rectae, apice rotundatae, margine exteriore mediocriter 

 obliquo vix convexo. 



Male. Body moderately stout. Proboscis short. Palpi as- 

 cending; third joint elongate-conical, nearly one-third of the length 

 of the second. Antennae simple, very slender, about half the length 

 of the body. Abdomen extending very little beyond the hind wings. 

 Legs moderately stout ; hind tibiae with rather long spurs. Fore 

 wings narrow, straight in front, rounded at the tips, moderately 

 oblique, and very slightly convex along the exterior border. 



1. Magusa strigifera. 



Mas. Pallide cervina, subtus albida ; alee anticce obscuriores, 

 cano varies, strigis paucis nigricantibus, macula apicali cana, 

 lineis fusceseentibus unclulatis indistinctis, guttis marginalibus 

 elongatis, orbiculari et reniformi subrotundis ; posticce cine- 

 re<z,fusco marginatce, ciliis allidis. 



Male, Pale fawn-colour, whitish beneath. Fore wings darker 

 fawn-colour, varied with hoary, and with a few blackish streaks ; a 

 hoary apical spot emitting a streak, which inclines slightly towards 

 the costa ; transverse lines brownish, undulating, indistinct ; margi- 

 nal dots elongated, and forming a slightly interrupted blackish 

 line; spots nearly round ; orbicular about half the size of the reni- 

 form. Hind wings cinereous, with brown borders; ciliae whitish. 

 Length of the body 6 lines; of the wings 15 lines. 



a. St. Domingo. From Mr. Tweedie's collection. 



Page 6«0. 



Genus RHATTA. 



Mas. Corpus gracile. Proboscis mediocriter longa. Palpi 

 oblique ascendentes ; articulus 3us cylindricus, brevissimus. An- 

 tennae subciliatee, corporis diroidio longiores. Abdomen oblanceo- 

 latum, alas posticas plus triente superans ; fasciculus apicalis longis- 

 simus. Pedes graciles ; tibiae posticae calcaribus longis. Alae an- 

 ticae augustae, apud costam rectae, apice acuminata?, margine exte- 

 riore perobliquo. 



Male. Body slender. Proboscis moderately long. Palpi 

 obliquely ascending ; third joint cylindrical, about one-fourth of the 

 length of the second. Antennae minutely ciliated, more than half 

 the length of ihe body. Abdomen oblanceolate, extending for more 

 than one-third of its length beyond the hind wings ; apical tuft very 



