86 THE CANADIAN ENTOMOLOGIST. 



surface of the fore wings are not reproduced, but the black dots are more 

 prominent, and being more or less confluent, appear as broken bands. 

 The hind wings are marked nearly as above. 



The head is white, spotted with black ; the shoulder covers white, with 

 some yellow at the base, and two black dots on each ; the thorax and 

 abdomen whitish, the former with six black dots, the latter banded with 

 black beneath. 



LIST OF DIURNAL LEPIDOPTERA OF THE ISLAND OF 



MONTREAL, P. Q. 



BY F. B. CAULFIELD, MONTREAL, P. Q. 

 PAPILIONID/E. 



1. Papilio asterias Drury. 



Not common in the vicinity of the city ; more abundant in the open 

 country. May to end of August. 



2. Papilio turnus Linn. 



Generally common ; end of May to middle of July. 



pierida:. 



3. Pieris oleracea Harris. 



Not common ; May and June. I have not seen an August brood. 



4. Pieris rapae Linn. 



Very common, although not so extremely abundant as a few years 

 ago, owing to the attacks of Pteromalus puparum. May to end of Sep- 

 tember. Var. novanglia Scudd., not common, but appears throughout 

 the season. 



5. Colias eurytheme Boisd. 



Very rare \ a male in fine condition taken last season (1874) by Mr. 

 C. W. Pearson. 



6. Colias philodice Godart. 



Generally abundant ; last season very scarce ; June to October ; white 

 females very rare ; August. 



