THE CANADIAN ENTOMOLOGIST. 39 



being able to see the proofs. This paper reviewed the main and first two 

 groups, leaving the Fasciata? ( Catocalince Pack.) and the Deltoids unre- 

 vised. I would recognise five very unequal groups both in structural value 

 and extent. Adopting Packard's nomenclature so far as he went (this 

 author excluded, the Deltoids at the time), we may call these groups sub- 

 families, but in Europe my Thyatiridce and the Brephidce are taken out 

 of the Noctnidce as distinct families. We have thus the following classi- 

 fication, which can only be changed by throwing all five together as sub- 

 families, which does not alter the matter in reality. The larvae of the 

 Thyatiridce are, however, almost Notodontiform. 



(i). Family Thyatirid/e. 

 (2). Family NoctuiDjE. 



(a) Sub-family Noctuince. 



(b) Sub-family Catocalince. 



(c) Sub-family Deltoidince. 

 (3). Family Brfphim:. 



The groups I have recognised and named may be regarded as tribal 

 with the ending ini, as Ifadenini, Ort/iosiiui, Heliothini, Stiriini, Scoleco- 

 campini, etc. The Deltoids contain two such tribes, viz , Herminiini and 

 Hypenini. My object has been to bring the classificatory terms to corre- 

 spond with those in Coleoptera as used by Leconte. 



In my last descriptional paper in Can. Ent., the genus and species 

 (8) Phiprosopus callitrichoides, is omitted accidentally on page 132, vol. 

 xv. My work is now to bring our genera into closer agreement with 

 European genera by comparison of types, as I say on page 1 3 1 of the 

 same volume, to which I direct the attention of students. 



CORRESPONDENCE. 



CALLIMORPHA. 



Dear Sir : I am sure that Mr. Lyman's article on Callimorpha, with 

 its excellent plate, has given an impetus to the study of this genus. It 

 will be no question with the Derivatists that these forms are all descended 

 from a single species. The test by breeding from the egg must now 

 decide whether these forms have each an independent cycle of its own or 

 are interdependent still. The test for species remains to be applied to 



