102 BTTLLETIN 38, UNITED STATES NATIONAL MUSEUM. 



row dusky line crosses mediau space near t. p. line. Outer third of s. 

 t. space and terminalspaceexceptan apical patch, darker. The narrow, 

 pale, irregularly dentate s. t. line crosses this darker space. Ordinary 

 spots concolorous or slightly paler, the renifonu with an inferior black- 

 ish patch. In shape much as in anxiliaris, with which the species also 

 agrees in secondaries and under side. Head, collar, and thorax con- 

 colorous. 



Expands 44-4G """ -, 1.75-1.85 inches. 



Habitat. — Kansas, Colorado, California, Texas, Nebraska. 



Five speciuKMis are before me, each from a different State; one the 

 type of fiexllis Mon. which so far as I can find was never described. 

 Another labeled agrestis by Mr. Grote long since, and still another la- 

 beled mcrcenaria also by Mr. Grote. All these specimens differ some- 

 what in distinctness of maculation, but not otherwise. I have since 

 seen many specimens which prove the correctness of the above reference. 



Choiizagiotis incoucinna Haw. 

 1875. Harv., Biilt'. Bull., in, f), AgrotU. 



Reddish fuscous, densly sprinkled with bluish gray. Ordinary spots 

 concolorous, narrowly outlined in black ; then narrowly annulate with 

 white or gray. Keuiform with an inferior dusky patch. In shape and 

 size thespotsare like those of werc'e»rf/-/a. Claviform obsolete. Median 

 lines obsolete ; ?o far as traceable they are like those of wjercewarm. S. 

 t. line distinct, narrow, pale, sinuate, and irregularly dentate, accom- 

 panied by a slightly darker shade. A very faintly traceable shade 

 through median space near t. p. line. Secondaries and under side pre- 

 ciseh^ as in mercenaria. 



Expands 33-38 '"■" ; 1.30-1.50 inches. 



Habitat. — Arizona, Texas. 



This species is like mcrcenaria in maculation so far as the maculation 

 is traceable ; but the much more uniform, darker color, smaller size, and 

 entire obsolescence of claviform will suffice to distinguish the species, 

 even Avithout reference to the S sexual pieces. 



Chorizagrotis immixta Grt. 



1880. Grt., Bull. Geol. Snrv. vi, 259, Agrotis. 



"5 This s])ecies is paler than iwco^cm/ia, the $ antennne more lengthily 

 bristled, the fringes of the hind wings entirely pale. Pale grayish 

 brown, the line indistinct but strongly indicated by double black costal 

 marks. The stigmata small, not dark ringed, paler than the wing, very 

 inconspicuous. The s. t. line relatively well marked, broken. Hind 

 wings whitish with veins soiled, a faint terminal border and the fringes 

 entirely pale; beneath with a dotted sub-marginal line. Fore wings 



