174 BULLETIN 44, UNITED STATES NATIONAL MUSEUM. 



H. u-album Gn.* 



1852. Gn., Spec. Gen., Noct., i, 345, Ceramica. 

 1856. Wlk., C. B. Mus., Het., x, 418, C. v-alhum. 

 1874. Grt., Bull. Buff. Soc. Nat. Sci., ir, 22, C. w-alhim. 

 1891. Smitli, Proc. U. S. Nat. Mus., xiv, 231, Mamentra. 



2)urj)uripcnnis Grt. 

 1874. Grt., Proc. Ac. Nat. Sci. Pliil., 1874, 20(i, Apamca. 



haliola Morr. 



1874. Morr., Proc. Bost. Soc. N. H., xvit, 148, Orlhovla. 



1875. Grt., Can. Eut., vii, b^, = purpuripenms. 



1875. Grt., Bull. Buff. Soc. Nat. Sci., ii, W.), = pnrpiiviprnms. 



Habitat. — MassacliusettrS, May, June, August; New York; Illinois; 

 Minnesota, 



Guenee's type is in tlie Britisli Museum. Messrs. Morrison and 

 Grote described at nearly the same time, both from material collected 

 by Mr. Thaxter, who probably has both types. 



H. velata Wlk.* 



1865. Wlk., C. B. Mus., Het., xxxii, 671, Apamea. 

 1891. Smith, Can. Ent., xxiii, 121, Apamea. 



sera G. & E. 

 1868. G. & R., Trans. Am. Ent. Soc, i, 345, pi. 7, f. .55, Hydrcccia. 

 1874. Grt., Bull. Buff. Soc. Nat. Sci., ii, 18, Rudracia. 

 1874. Grt., Proc. Ac. Nat. Sci. Phil., 1874, 20(5, Apamea. 

 1882. Grt., Can. Ent., xiv, 170, Eelotropha. 

 1884. Bean, Can. Ent., XA'i, 67, larva on Anemone. 

 1891. Smith, Can. Ent., xxiii^ 121, pr. syn. 



Habitat. — Cauada; INLaiuetorennsyhaiiia; west to Missouri: Towa, 

 June, July, aud xVugust. 



Walker's type is in the National Museum. I do uot know where 

 Grote and Robinson's type is at present.t 



H. juvenilis Grt.* 



1881. Grt., Bull. Geol. Surv., vi, 267, Gorfiina. 

 1881. Grt., Trans. Kaus. Ac. Sci., vii, 68, Gortyna. 



Habitat. — Colorado ; Kansas. 

 The type is in the British Museum. 



H. nictitans Linn.* 



1761. Linn., Pn. Suec, 1215, A^ocfHU. , 



1767. Linn., Syet. Nat., ed. xii, Si7,.NoctHa. 



1792. Bkh., Eur. Schmett., iv, 463, Noctna. 



1816. Ochs., Schmett. Enr.,iv, 75, Aj)amea. 



1816. Hbn., Verzcichniss, 232, Sideiidis. 



1852. Gn., Spec. Gen., Noct., i, 126, Hydracia. 



i From this point to Xylomiges, my references to dates and localities are less com- 

 plete, owing- to the fact that the set of galley proofs first corrected by me were lost 

 en route or nii.slaid at the printing ofifice. I threw away the note slips after I had 

 entered them ou the galley proofs, and was not able to duplicate them afterward. 



