Larva. — Caterpillars raniiform, rigid, elongated, of equal size tlirougliout, 

 adorned with lateral tuljercles; head flattened in front, and as broad as the 

 prothoracic ring. Living on the leaves of trees, and rarely on low plants. 

 Chrysalids in small subterranean cocoons. 



Si/no2)si.s of the Species. 



A. Antennae pubescent : 



Pale ash ; outer line dentate C. crepuscularia. 



B. Antennse broadly pectinated : 



a. Wings long and narrow : 



Diminutive; pale ash ; with three very distinct black lines C. psilogrummnria. 



b. Wings long ; hind wings notched : 



Outer line straight, beyond reddish-brown C. plmnosaria. 



c. Fore wings acute, with five straight, jmrallcl lines : 



Hind edge of abdominal rings black and white C. b-lincaria. 



C. Antennas usually narrowly pectinated; terminal third filiform ; 



wings long; discal ringlets elongated : 



Outer line on the fore wing slightly Kinuons, with a subcostal tooth ; 



beneath a broad submarginal shade C. pampinaria. 



Outer line on the fore wing very sinuous ; a shallow subcostal scallop; 



beneath no well-marked submarginal shade ...C. humaria. 



Outer line angulate, sinuate ; a great angle in the extradiscal space ; 



discal dots beneath large and diffuse ; outer line ou hind wing 



with a great angle C. larraria. 



Markings much as in humaria, but outer edge of hind wings fnller, more 



distinctly scalloped, and discal dot not annular, as in larraria and 



humaria C polygrammaria. 



Wings short and broad ; very dark, discal dot ou hind wings, round, 



not oblong-oval ; lines on fore wings not very oblique ; antenna? 



plnmose C umbrosaria. 



Hind wings deeply scalloped; a very distinct dark line common to both 



wings ; the largest species of the genus C. californiarm. 



Cymatophoka crepusculakia Packard. Plate 11, fig. 24. 



Jioarmia crepuscularia Treits., Schm. Eur., vi (i), 190, 1827. 

 Tephrosia crepuscularia Gueu., Phal., j, 2G4, 1857. 

 Tephrosia oceiduaria Guen., Phal., i, UGG, 1857. 



Jioarmia sublunaria Walk.!!!, List Lep. Hot. Br. Mns., xxi, ^45, 18(50. 

 Jiuarmia signaria Walk.! ! !, List Lep. Het. Br. Mns., xxi, 340, 1860. 

 Tephrosia spatiosaria Walk. ! ! !, List Lep. Het. Br. Mns., xxi, 403, 1860. 

 Tephrosia intrataria Walk. ! ! !, List Lep. Het. Br. Mus., xxi, 403, 1860. 

 Tephrosia fumalaria lliiiot ! ! !, Proc. Bost. Soc. Nat. Hist., xiii, 84, 1869. 



12 i and 4 9. — (!losely allied in the form of the wings and the markings 

 to (\ umhromria, differing in the antenna; lieing simply pubescent. Body and 

 wiuffs wiii1ish-a.-<h, fiufly and unifi.rmly dusted with brown. Head whitish, 



