248 MODERN SYSTEM. 



STIRP5 4. Wings deflexed: larva with its hinder legs converted into a 

 furcate tail. 



Genus 345. CERURA. Schrank, Leach, Germar. A^dria. Hubner. 

 Falpi cylindrical, hairy obtuse, with their joints confluent: tongue spi- 

 ral but abbreviated : antenna filiform pectinated. 

 Sp. 1. Cer. VinuUa (puss moth). Sp. 2. Cer. Furcula (kitten moth). 

 The caterpillar of both the above feeds on leaves : the first may 

 frequently be Ibund in August and September on willows and pop- 

 lars; the latter species is not common in Britain. 



Fam. VI. Arcti.ad.e. Leach. 



NOCTUO-BOMBYCITES. Latr. 



Palpi two ; antenna pectinated or ciliated : tongue visible, but often 

 short and somewhat membranaceous : zcings trigonate, deflexed, un- 

 divided ; caterpillar with sixteen feet. 



Genus 346. ARCTIA. Schrank, Latreille, Leach. Bombyx. Tuhr. 

 Palpi with long scales : antenna of the males (at least) with a double 

 series of pectinations : tongue often short, composed of tvvo separate 

 filaments. 



* Antenna ciliated. 



Sp. 1. Arc. villica (cream spot tj-ger). Sp. 2. Arc. Caja (tvger moth). 

 Sp. 3. Arc. Plantaginis (wood tygcr). Sp. 4. Arc. russula (clouded 

 bull"). Sp. 5. Arc. mcndica (muslin). Sp. (5. Arc. Menthrastri (er- 

 mine). Sp. 7. Arc. papyritia (water ermine). Sp. 8. Arc. lubrici- 

 pcda (buft" ermine). 



** Antenna pectinated. 



Sp. 1. Arc. 5rt/(V/s (satin moth). Sp. 2. Aix. chri/sorrha'a (j-ellow-tail). 

 Sp. 3. -rlrc. ;;^iro/TA<ra (brown-tail moth). 



Genus 347. CALLIMORPHA. Lair., Leach. Bombyx. Fabr. 



LiTiiosiA. Fabr. 

 Palpi with short not porrect scales : antenna simple or slightly cili- 

 ated : tongue long, the two filaments conjoined. 

 Sp. 1. Cal. Dominula (scarlet tyger moth). 



Obs. — Bombyx; 2. Rosea (red arches). S. Jacobca (cinnabar); are re- 

 ferable to this senus. 



Fam. VII. TiNEiD/X. Leach. 

 TijJEiTES. Latrcillc. 



Antenna seta.cpou'', simple: tongue distinct: palpi t\vo,cylindric: zoings 

 long, oblong, somewhat elliptic, incumbent or convolute : inferior 

 ones much folded, all undivided. 



Stirps 1. — Antenna distant from each other: eyes separate, divided by 

 a frontlet : tongue elongate : palpi not longer than the head. 



