A REVISION OF THE PISAURIDAE OF THE UNITED STATES AQ 
Synonymy 
Dolomedes vittatus Walckenaer, Historie Naturelle des Insectes 
Apteres, 1837, 1:347 (Abbot, pl. 5, fig. 21) 
Dolomedes lanceolatus Hentz, Jour. Bost. Soc. Nat. Hist., 1847, 
S5:101, pl. 17, fig. 12 (male) 
Dolomedes lanceolatus Hentz, Proc. Bost. Soc. Nat. Hist., 1868, 
II :103 
Dolomedes lanceolatus Hentz, Reprint, Spiders of the U. S., 
Occ. Papers Bost. Soc. Nat. Hist., 2, 1875, p. 40 pl. 7, fig. 12 (male) 
Dolomedes tenebrosus, Emerton, Trans. Conn. Acad., 1885, 6:501, 
pl. 49, figs. 9a, 9b (male) 
Dolomedes vittatus, Marx, Proc. Nat. Mus., 1890, 12:566 
Dolomedes lanceolatus, Marx, Proc. Nat. Mus., 1890, 12:566 
Dio lomiledicismurmiimatotebanicse Oui Yen ent. SOG ToOs, 3. O 
(male) | 
Dolomedes urinator, Montgomery, Proc. Acad. Nat. Sci. Phila., 
1904, 56:317-318 (male) 
olomedes urinator, Emerton, Trans. Conn. Acad., 1909, 14:211 
(male) 
Dolomedes vittatus, Petrunkevitch, Bul. Amer. Mus. Nat. Hist., 
IQII, 29:543 
Dottomedes urinator, Comstock, The Spider Book, N. Y., 1012, 
pp. 612-613, fig. 701 (male) 
Remarks. Under the synonymy of this species, I have included 
besides the original description of the female by Walckenaer and 
the male (D. lanceolatus) by Hentz, only those references, 
which by their context, show that the male was under considera- 
tion. Banks (1891) in his -“ Notes on Some Spiders Described 
by Hentz,’”’ expressed the opinion that Dolomedes urinator 
and Dolomedes lanceolatus were female and male of 
the same species, and the decision has received general acceptance. 
But Walckenaer described and Abbot figured a female having the 
markings of the male described as D. lanceolatus and I have 
since found several specimens which agree in size, color and mark- 
ings to such an extent that it is impossible to reach any other con- 
clusion than that Dolomedes urinator is distinct and known 
only from the female. 
Emerton (1885) described the male of Dolomedes vittatus 
as Dolomedes tenebrosus but later (1909) remarked: 
“The male spider described by me in 1885 as the male of D. tene- 
brosus appears to be urinator or lanceolatus Hentz. 
I have not found females but have one from Pennsylvania sent 
me by Mr Montgomery.” Montgomery (1904) under his descrip- 
tion of D. urinator included an account of a male, using one 
of the specimens previously figured by Mr Emerton. I have seen 
this specimen through the courtesy of Mr Emerton and it is a typi- 
cal male of D. vittatus (lanceolatus); but Montgomery 
likened it to D. urinator which it little resembles. 
