PAPILIO. 



Prgan ot tl^e few Jork f ntomological piub. 



Vol. II.] Nov.-Dec, 1882. [Nos. 9 and 10. 



r>OXJBLE ]VXJ3XBEia. 



Note. — It was impossible to issue the November number in proper time, so that the articles 

 which would have composed it are given with the December number, making the same amount of 

 pages. 



ON PAPILIO MACHAON L., AND ITS N. AMERICAN 

 REPRESENTATIVES—; PAPILIO RUTULUS. BVD.— ; 

 AND PARNASSIUS. BEING PORTION OF A PRE- 

 LIMINARY REPORT ON THE BUTTERFLIES OF 

 Wi^SHINGTON TERRITORY. 



By Dr. H. A. Hagen. 



As far as I know all insects, hitherto described, from Washing- 

 ton Territory were collected west of the Cascade Mountains. The 

 larger portion of this Territory east of the Cascade Mountains, 

 north of the Columbia River, to the frontier of Idaho, has never 

 been visited by entomologists, except perhaps the southeastern 

 belt of the Wallula Valley. The climate of the country east of 

 the Cascade Mountains is very different from that west of them, 

 the latter being similar to the climate of California. The coun- 

 try east of the Cascade Mountains consists to a large extent of the 

 basin of the Columbia River, with immense sage-brush deserts, and 

 here falls the least amount of rain through the U. Sts. At right 

 and left mountains, with a rich vegetation of forests and large 

 fertile valleys, ascend to the Cascades, and the Rocky Moun- 

 tains. It is one of the few parts in the U. Sts. not yet examined 

 by entomologists, and the good chance to collect here was offered 

 by the N. Transcontinental Survey, under the direction of Prof. 

 R. Pumpelly. The collection of butterflies made by Mr. S. Hen- 

 shaw and \Mr. R. H. Stretch is large, and contains interesting 

 species, which may justify a preliminary report. 



The preparation and spreading of the butterflies has only been 



