EXPLANATION OF PLATE VI 



(The specimens figured are contained in the collection of W. J. 

 Holland.) 



1. Cocytius antcBUS Drury, ?. 



2. Pseudosphinx tetrio Linnaeus, c?- 



3. Herse cingulata Fabricius, c? 



4. Dolba hylceus Drury, 9 . 



5. Hyloicus vancouverensis albescens Tepper, c?. 



6. Hyloicus eremitus Hubner, 9 . 



7. Ceratomia undulosa Walker, 9 



8. Hyloicus kalmice Abbot & Smith, 9 



9. Cress on-ia juglandis Abbot & Smith, 9 

 10. Hyloicus separatus Neumoegen, <5*. 



