54 CATAr.or.uK ok 



ihe inner side; spines stout, rather wide ap;irl. Fore wings whollv and 

 irrepfiilaily reticulated, extending ranch hcvoiul the abdomen. Hind wings 

 extending a little bevond the fore winjrs. 



1. CaUSIDAVA CIXERA3CENS. 



Mas. I^ulvus, tomenlosus ; atce anticee pallide cinerecB,fusco veiiosa: ; ahc 

 posliccB cinerece. 



Male. Tawny, toraenlose. Eyes piceous. Fore winqs pale cinereous ; 

 veins brown. Hind wings cinereous. Length of tlie body 7 lines. 



The antennae of the specimen described are mutilated, and their length 

 in comparison to that of the i)ody cannot be ascertained. 



a. Para. From Mr. Bates' collection. 



pp. Hind u\nx serrated. 



Genus 13. NESSA. 



Fcrm. Corpus angustum, subtomeniosum, fere cylindricum. Caput 

 subcarinatnm, thorace non hrevjus. Oculi parvis. Palpi mediocres ; arti- 

 culus 3us subsecurifonnis. AnienncP graciles, corpus longissime superantes. 

 Pruihorax subelongatn«, antice |)aullo angustior. laleribus vix rotundatis. 

 Cerci et oviductus abdomine paulio breviores. Pedes robusti ; libite pos- 

 ticcE utrinque serralae et (juadrispinosa;. AIje anticfe augusli, aculce, 

 inordinate reticulata', abdomen perpaulin superantes. AIje posticiB 

 longiores. 



Female. Body narrow, nearly cylindrical. Head and proihorax 

 slightly ton)eniose. Head as long as the proihorax, slightly keeled between 

 the sockets of the antenns. Eyes small, not prominent, remote from the 

 hind border. Palpi moderately lonjr : third joint slightly securiform. 

 AnlcnniE slender, very much longer than the body. Piothorax a little 

 narrower in front, rather longer than broad; sides hardly rounded. Cerci 

 and oviduct a little shorter than the abdomen. Le;;s stout, moderately 

 long; hind tibia' serrated and with four stout spines on each side; first 

 joint of the tarsi long, stout, armed with spines; second short; third 

 slender. Fore wings narrow, acute, irregularly reticulated, extetidin<j very 

 little beyond the lip of the alulomcn ; longitudinal veins nearly straight and 

 parallel. Veins along the costa very oblique, the spaces between them 

 reticulated like the rest of the wing. Hind wings somewhat longer than 

 the fore wings. 



1. NkSSA LINEAUIS. 



F(£m. Fulca ; proihorax jnceo subnottilus ; abdomini.i rlorsuiii j-iceum ; 

 cerci ftrniginri ; frmnra poslica piceo stricfata niiiro univitUita ; ahc 

 atilica testaceo.cinerefr, piceo reliculat(C, vents lontjiluditialibtis 

 subreclix. 



Female. Tawny. Antenna; ferru;;inous. Prothorax with some indis- 

 tinct piceous marks. .Abdomen piceous above. Cerci ferruginous. Legs 

 stout, moderately long; hind femora with a black stripe ami with oblique 

 piceous streaks on the outer side. Fore wings testaceous-cinereous, veins 



