The papers on Nomenclature, letely published in the Canadian Entomologist, have much interested me, and doubtless many others, and as the subject is one that just now, for reasons well known, appeals especially to Lepidopterists, I beg to be allowed a little of your space to give my views thereupon, and to state what I believe is a practicable remedy for the evils complained of.

I am glad that this matter of Nomenclature was brought so prominently forward by the Entomologists present at the Meeting of the American Association for 1872, and that a Committee was appointed by the Entomological section to report a series of Rules for consideration at the next Meeting.

In pursuance of our plan of laying before our readers, from time to time, illustrated descriptions of the common insects of this country, we propose to begin in this number of our journal some account of the Butterflies belonging to the genus Pieris–familiarly known in their larval state as “Cabbage-Worms.” As stated by our coadjutor, Mr. Saunders, in the first paper of this series (C. E.,v., page 4), we do not profess to bring out any new facts or information of interest and value to the experienced Entomologist, but we wish to afford to our less scientific rerders plain descriptions, with illustrations, of our more common insects, in order that any one beginning to collect and observe may be able to identify and learn something about what he meets with.