208 PROCEEDINGS OF THE ACADEMY OP 



and face of the thoracic crestings. Beneath the wings are 

 3'ellowish-fnscous with obliterate markings. 



Expam^e 38 mm. Habitat. Saucelito, Cal., August 18th (Mr. 

 Behrens, No. 162). 



Plusia epigaea, n. s. 



Allied to P. ampla TFa?^^, but with differently colored fore wings 

 and with the attenuate discal mark outwardly produced inferiorlj-. 

 Fore wings slatey or silky lilac-gray, watered in appearance from 

 the character of the transverse darker shades. The discal spot is 

 open, with the two limbs very narrow, inclosing a trigonate space 

 below the median vein of the ground-color of the wing, and with 

 its inferior portion directed outwardly more boldly in the shape of 

 the tail of a T., terminating roundedl3\ The spot surmounts a 

 deep brown shade stretching across the median space, but not 

 extending to internal margin, with a bright red stain where it 

 reaches the t. p. line. Keniform partially black ringed, oblique, 

 touched by the black median shade line which is apparent on the 

 costal region. T. a. line oblique, angulate, much as in P. ampla. 

 Orbicular small, apparently open to costa. Thorax colored like 

 fore wings, with elevated central crest, the outer face of which is 

 deep brown, discolorous. Hind wings, testaceous fuscous, with , 

 darker borders, and pale fringes dotted interspaceally with fus- 

 cous. Beneath fuscous, the usu'al markings obliterate. 



Expanse 40 mm. Habitat. jSew York. 



Note. The following description of a North American Noctuid (which I 

 have not identified) was found among the papers of Linne, and published by 

 Afzelius, Berlin, 1826, p. 137, No. 10. The Sw-edish original of the work is 

 dated in 1823. 



Plialsena Omicron. 



Noctua spirilingues: alls superioribus 0, albis inscriptis ; infe- 

 rioribus ferrugineis iramaculatis. Hah. in America Septentrionali; 

 Anna Blackburn, Hah. Phal. Gammse, Corpus cinereum inci- 

 saris albicantibus. Antennte nigrse. Pedes nigri genicalis albis. 

 Alse superiores supra griseo-nebulosiB, 0. albo notatre, infra cine- 

 reae ; inferiores supra helvolaj, latere anteriore magis fuscescentes, 

 infra cinerese et subferrugineae ; puncto arcuque nigro obsoletiori- 

 bus, 



I am indebted to Doctor Hagen for the communication of this 

 description. Since a second American moth is described in tlie 



