LEPIDOPTERA HETEROCERA. 407 



four times nearer to the first than to the third ; third much nearer 

 to the second than to the fourth ; suhmedian vein forked before the 

 middle of its length ; its fore fork curved, terminating on the interior 

 angle. 



MONDA DELICATISSIMA. 



Mas. Alba; corpus nigrum, albo pilosum ; femora nigra ; alee 

 anticce apice nigra. 



Male. White. Body black, with white hairs. Antennae with 

 black branches. Femora black. Fore wings with black tips. 

 Length of the body 3^ lines ; of the wings 10 lines. 



a. Cape Town. From Mr. Trimen's collection. 



Fam. NOTODONTIME, C. L. II. v. 978. 



Genus CERURA, C. L. H. v. 982. 



Cerura cinerea. 



Mas et fcem. Obscure cinerea ; alee guttis marginalibus nigris ; 

 anticce basi margine exteriore fasciaque nonnunquam obsoleta 

 pallidioribus, punctis costalibus punctisque venarum nigris, 

 linea transversa angulosa ochracea nonnunquam obsoleta ; pos- 

 ticce pallide cinerece, puncto discali nigro. 



Male and female. Dark cinereous, paler beneath. Palpi very 

 short. Antennas broadly pectinated in the male, slightly pectinated 

 in the female. Abdomen extending somewhat beyond the hind 

 wings. Wings with black marginal dots. Fore wings paler cine- 

 reous at the base and along the exterior border and occasionally 

 with a paler cinereous band ; some black points along the costa ; a 

 row of black points on the veins beyond the middle, accompanied 

 by a zigzag ochraceous sometimes obsolete line ; two or three black 

 points on the veins nearer the base. Hind wings pale cinereous, 

 with a black discal point. Length of the body 7 — 8 lines ; of the 

 wings 18 lines. 



a — e. New York. Presented by E. Doubleday, Esq. 



Cerura turbida. 



Mas. Pallide cinerea; caput subtus nigrum; palpi basi extus 

 nigri ; thorax subcervino-cinereus, lateribus anticis nigris; 

 abdomen obscure cinereum : alee antica subochraceo-cinerece, 

 nigro subconspersce, fascia antemedia lata nigricante nigro 



I 



