CATALOGUE OK NOCTUID.K SMITH. 137 



The economic literature of the species is huge, iiiid is given in great 

 l)art by Mr. Edwards in his catalogue of early stages. 



X. exulis Lef. ** 



1836. Lef., Ann. Soc. Ent. Fr., v, 393, pi. 10, f. 2, Haihna. 

 1852. Gn., Spec. Gen., Noct., i, 185, Ciymodvs. 

 1856. Wlk., C. B. Mas., Het., ix, 220, CrumodrH. 

 (jelata Lef. 



1836. Lef., Ann. Soc. Ent. Fr., v, 303, pi. 10, f. 3. Radena. 

 1852. Gn., Spec. Gen., Noct., i, 185, t'njmodvx. 



1856. Wlk., C. B. Mus., Het., ix, 220. Crymodcs. 



(jranlaiidica Zett. 

 1839. Zett., Ins. Lapp., 939, Hudviia. 

 1845. H. Sch., Schmett. Enr., ii, 274, 284, pi. 31, I'olia. 

 1852. Gu.. Spec. Gen., Noct., i, 185, Crymodrft. 

 1856. Wlk., C. B. Mns., Het.. ix. 219, Cnjmodes. 



viarmorata Zett. 



1839. Zett., Ins. Lapp., 937, Hadena. 



1845. H. Sch., Schmett. Enr., ii, pi. 451, PuUa. 

 1856. Wlk., C. B. Mns., Het., ix, 220 = poU. 

 difflua Geyer. 



1837. Geyer, Zutr. Hl»n. Samml. Ex., 9, fl"., 821, 822, Exarnia. 

 1871. Stand., Cat. Lep., \QO = cxuUs. 



1881. Grt., Can. Ent.. xiii, 91, =t'j-H/(^. 



geJida Gn. 

 1852. Gn., Spec. Gen., Noct., i, 186, pi. iv, f. 7. Crymodcs. 

 1856. Wlk., C. B. Mus., Het., ix, 221, Crymodex. 



poll Gn. 

 1852. Gn., Spec. Gen., Noct., i, 187, Crymodes. 

 1856. Wlk., C. B. Mus., Het., ix, 220, Crymodes. 



borea Gu. 

 1852. Gn., Spec. Gen., Noct., i, 186, Crymodes. 



Habitat. — Labrador; Greenland; Iceland. 



The synonymy is from Staudiuger in great part, and his catalogue 

 should be consulted for references to European literature. In the Jar- 

 din des Plantes at Paris is a long series of si)ecimens separated out by 

 Gueiiee and containing tyi)es of his names. They all refer to one species. 



X. sommeri Lef. 



1836. Lef., Ann. Soc. Ent. Fr., in, 391, i)l. 10, f. 1, lladena. 

 1852. Gu., Si)ec. Gen., Noct., i, 187, Crymodes. 

 1856. Wlk., C. B. Mus., Het., ix, 220, Crymodes. 



Habitat. — Labrador; (Jieeiiland; Icelainl. 



Mr. M(eschler kindly sent me a s|»eiiuien for study years ago, and I 

 have seen none since. 



X. arctica Bdv.* 



1840. Bdv., Gen. et Ind. Meth., 120, Hadena. 



1845. H. Sch., Schmett. Enr., ii, 272, pi. 31, f. 155, Polia. 

 1852. Gn., Spec. Gen., Noct., i, 193, Mamestni. 

 1856. Wlk., C. B. Mus., Het., ix, 225, Mamestra. 

 1869. Miuot, Can. Eut., ii, 28, Mamestra, 



