1132 CATALOGUE OF 



Male. Ferruginous-bvown ; under side mostly testaceous. 

 Antennae pale testaceous. Thorax mostly testaceous, ferruginous 

 brown in front. Fore wings tawny on the costa, hoary towards the 

 tips ; a gray spot near the tip of the costa, partly bordered by four 

 blackish brown spots of various form and size. Hind wings tes- 

 taceous. Length of the body 3^ lines; of the wings 8 lines. 



a. Honduras. From Mr. Dyson's collection. 



4. Semyea quadrata. 



Mas. Ferrugineo-cervina ; alee anticce nigro conspersce, fasciaque 

 obliqua incompleta subobsoleta cinerascente. 



Male. Ferruginous fawn colour, a little paler beneath. An- 

 tenna? testaceous. Fore wings minutely, thinly, and indistinctly 

 flecked with black, and with a very indistinct oblique and incom- 

 plete grayish band. Length of the body 4 lines; of the wings 12 

 lines. 



This species is somewhat different from the two preceding in 

 structure. 



a. Venezuela. From Mr. Dyson's collection. 



5. Semyra? eeiophoea. 



Albida ; antennce usque ad apices mediocriter pectinatce ,* alee an- 

 ticce gutta basali fusca fasciaque obliqua cervina fusco mar- 

 ginata ; postica apud discum cinerece. 



Phalaena-Bombyx eriophora, Anon, Ins. Surin. i. pi. 21. 



Surinam. 



Genus 23. NYSSIA.* 



Corpus robustum, pilosum. Proboscis non conspicua. Palpi 

 porrecti, validi, pilosi, caput superantes; articulus 3us minutus, 

 breviconicus. Abdomen alas posticas non aut vix superans. Pedes 

 validi, usque ad tarsorum apices late ciliati; tibiae posticae calcari- 

 bus duobus minutis apicalibus. Alae mediocriter latae ; anticae apud 

 costam subrectae, apice subrotundatae, margine exteriore obliquo 

 subconvexo. Mas. — Antennae serratae, basi sat late pectinatae, cor- 

 poris dimidio paullo longiores. Fcem. — Antennae simplices, cor- 

 poris dimidio non longiores. Alae latiores. 



* Norn bis lectum. 



