256 BULLETIN U, UNITED STATES NATIONAL MUSEUM. 



P. ampla Wlk.* 

 1857. Wlk., C. B. Mus-jHet., xii, 910, Plusia. 



Habitat. — Hudson Bay Territory 5 Canada; iS^oitliern and Eastern 

 States, July and August. 

 The tyije is in tlie British Museum. 



p. simplex Gn.'' 



1852. Gn., Spec. Geu., Noct., 11, 346, I'lua'ia. 

 18.57. Wlk., C. B. Mus., Het., xii, 907, rJiis}a. 

 1877. Grt., Ball. Geol. Surv., in, 119, Plusm. 



1881. Coquillott, Can, Ent., xiii, 21 — larva sul) nom. prccatinnis. 



1882. Coquillett, Can. Ent., xiv, 16, larva. 



Habitat. — Hudson Bay Territory ; Canada; United States east of 

 the Eocky Mountains, throughout the season; Colorado, 115,000 feet; 

 New Mexico. 



The tyi^e is in the British Museum. 



P. pasiphaeia Git.* 

 187.3. Grt., Bull. Butf. Soc. Nat. Sci., i, 146, pi. iv, f. 1, riusia. 

 HABITAT. — California in October. 

 The type is in the British Museum, Mr. Grote has cited, with a 

 query, P. echinocysfis Behr, to this species. The description of Dr. 

 Behr's species tells nothing; but I have given under hrassivcc my rea- 

 sons for citing it there. 



p. diasenia Bdv. 



1829. Bdv., Eur. Lep., Ind. Meth., 93, Plusia. 

 1852. Gn., Spec. Gen., Noct., 11, 3,55, Plmia. 

 1857. "Wlk., C. B. Mus., Het.,xii, 902, Phma. 

 1857. Stand., Stett. Ent. Zeit., 18.57, 305, rinda. 



Habitat. — Labrador; Lapland; Colorado. 



The type is probably with M. Oberthiir, at Eennes. Mr. Grote has 

 always written diascma Dalman; but I have not been able to ascertain 

 why. I still followed Mr. Grote in my list, but make the change here 

 because I can not trace the species otherwise. 



p. parilis Hbn. 



1800. Hbn., Schmett. Eur., Noct.,111, i22,Noclua. 



1816. Hbn., Verzeichniss, 251, AutO(jraj)ha. 



1829. Bdv., Ind. Meth., 159, Plusia. 



1852. Gn., Spec. Gen., Noct., 11, 3.55, Plusia. 



1857. Wlk., C. B. Mus., Het., xii, 903, Plusia. 



1860. Moeschl., Wien. Ent. Monatscbr., iv, 371, Phisia. 



quadriplaga Wlk. 



1857. Wlk., C. B. Mus., Het., xir, 911, Plusia. 



Habitat. — Fraw Island, Arctic North America; Labrador; Lapland. 



Walker's type is in the British Museum, and is the parilis of the 

 G rote, McEschler, and other collections. Walker cites Cramer's figure of 

 Fhalmiaiota (Ex. 11, 106, pi. 165, lig. C.) to his species, suggesting that 



