964 CATALOGUE OF 



This genus is allied to Hydrocampa, but may be distinguished 

 by the palpi, by the antennae, and by the subfalcate fore wings, 

 which have the costa dilated at the base and slightly depressed in 

 the middle. 



Herdonia Osacesalts. 



Mas. Alba ; caput pallide fuscum ; palpi pedesque cervini ; 

 thorax antice testaceus ; tarsi albo cincti ; alee iridescentes ; 

 antica subtestacea, maculis apiceque albis, spatio testaceo 

 exteriore obscuro inciso linea nigra marginato ; postica fasciis 

 tribus perobliquis testaceis nigro marginatis, 2a postice f areata, 

 margine exteriore pallide testaceo. 



Male. White. Head pale brown. Palpi fawn-colour. Thorax 

 testaceous in front. Legs fawn-colour; tips of the joints of the 

 tarsi white. Wings iridescent. Fore wings slightly testaceous, 

 with several irregular white spots, which are mostly exterior ; apical 

 part also white; terminal part of the testaceous hue darker than 

 that elsewhere, partly bordered with black and forming connected 

 spots. Hind wings with three testaceous more or less black-bordered 

 very oblique bands ; the middle one forked hindward ; exterior 

 border pale testaceous. Length of the body 8 ? lines ; of the wings 

 24 lines. 



a. Silhet. From Mr. Argent's collection. 



Page 470. 



Zebbonia? Cottalis. 



Mas. Alba, gracilis, fasciis pallide luteis ; palpi porrecti, brevis- 

 simi, late fimbriali, testaceo binotati ; palpi maxillares parvi ; 

 antenna glabra, sat valida ; abdomen alas posticas superans, 

 fasciculo brevi nigro fasciculoque longo testaceo valvulisque 

 duobus albido- testaceis apicalibus ; ala subhyalina, albo mar- 

 ginata, lineis quatuor cervinis ; antica acuta, lineis duabus 

 basalibus cervinis. 



Male. White, slender, with pale luteous bands. Palpi porrect, 

 very short, broadly fringed, with two testaceous marks ; third joint 

 extremely minute. Maxillary palpi small, distinct. Antennae 

 smooth, rather stout. Abdomen extending rather beyond the hind 

 wings, with a small black tuft at the base of the long testaceous 

 tult, which is enclosed in two whitish testaceous valves. Legs 

 smooth, slender. Wings moderately broad, nearly hyaline, white 



