II. M. PAKSHLEY 
Suhgemis Quilnus 
S t&l. 
.")S. .1 . Stdl. 
100 
Eastern st ales, 
r in IIS juilnslris, Exhibited 
C'olorado, Mex- 
anti other 
ico 
species 
.51). .1. niffrinus 
101 
Arizona 
SJ). 1U)V. 
OO. A . licidcDKinni 
102 
British Cohnnhia 
Exliibited 
Bergr. 
and Rocky Mt. 
region 
New Synonymy 
With the inv; 
aluable assistance of 
(Mr. K. (b Blair, of the 
British (Museum 
, and of Mr. C. A. IMoore, of (^ueliec, as detailed 
farther on, it has ticeii possil)le to fix the status of the species 
hitherto unknown to stiulents of the grou]), with resulting syn- 
onymy as noted l)elow. In studying Lhler’s collection I have 
taken occasion to select type specimens from the original sei'ies 
of species described liy him, and have been alile to avoid the 
necessity for any change of names, since his species have been 
well understood by sulisequent authors. The uncertain names 
listed in Van Duzee’s Catalogue on page 135 are disposed of as 
follows: 
.1. pruhoscidcus Walker = A. huhbardi Heideniann = A. taylori 
A'an Duzee (1020). 
.1. fascicornis Walker = A. similis Say. 
.1. hdcolus Fyles = A. proboscideus Walker. 
The group (or suligenus) Piestosoma Lap. is not represented 
in our fauna. 
Little space is devoted in subsequent pages to liibliography 
and estalilished synonymy, since I can perceive no useful purpose 
in transcriliing this matter from \din Duzee’s 1017 Catalogue. 
Material 
The material on which this study is based consists of more 
than twenty-seven hundred specimens of the American species 
of Aradus: a very large number considering the rarity of most 
of the forms and the difficulties in the w'ay of collecting them. 
1 have had for examination also a considerab)lo number ot exotic 
TRANS. AM. ENT. SOC., XLVII. 
