128 THE CANADIAN ENTOMOLOGIST. 



This paper shows how slowly must proceed any revisional work, and 

 that no section of the group can be thought finished until every species in 

 that section has been studied and compared. I will be much indebted to 

 entomologists, particularly in the West, who will send me material in this 

 order, for it is my desire to make my work as thorough in character as 

 is possible. 



THE TYPES OF THE LATE DR. HULST. 



?5Y HARRI.SON G. DYAR, WASHINGTON, D. C 



I am glad that Mr. Taylor has shown in the Feb. Can, Ent. that the 

 " types " of Somatolophia timbripennis and Diastictis festa in the Hulst 

 collection at New Brunswick, N. J-, are not the true types. A specimen 

 that contradicts the description cannot be the type, however labelled, 

 unless it can be shown that the author has made an error. I do not think 

 that Dr. Hulst made errors in description in these cases, and I do not think 

 either that the true types were destroyed as Mr. Taylor suggests. More 

 probably they exist in some collection. Will not every reader of this note, 

 who has Hulst types, look to see if he has these species, and if so, kindly 

 communicate with Mr. Taylor or with me ? Mr. Doll recently drew my 

 attention to a series of Hulst types in the Museum of the Brooklyn Insti- 

 tute that had been presented by Dr. Hulst. Some were likewise presented 

 to the U. S. National Museum, and perhaps to other collections. In 

 other cases he has no doubt described from borrowed material which was 

 afterward returned. 



In the material at Brooklyn I found the "true type" of Mycttrophora 

 Slossonice, the Manitoba specimen. It is congeneric with the other species 

 of Mycterophora and has the whitish costal stripe as described. The New 

 Hampshire specimen in the Hulst collection is a Homopyralis with the 

 costa denuded, as I have shown. It is not really the type, although so 

 labelled, before Dr. Hulst, when describing, referred to in the description 

 and suggesting the name given. The description was taken from the 

 other specimen. 



There exist a number of " types," descriptions of which were not 

 published by Dr. Hulst up to the time of his death ; but specimens were 

 labelled, evidently with the intention of description. Some of these 

 names have been allowed to appear in Smith's List of 1903. Of one 

 such there are two ''types" in the Brooklyn Museum, under a well- 

 known genus of Geometridse, which I shall not mention for fear of estab- 

 lishing the manuscrii)t name. The two types are respectively a specimen of 

 Oreta irroraia, Pack., from Florida, and one of Drepana ailtraria. Fab., 

 from Europe, with a false " N, J." label. Comment is superfluous. 



April, 190^. 



