AUSTRALIAN CARABID BEETLES II. 
SOME NEW PTEROSTICHINI 
By P. J. Darlington, Jr. 
Museum of Comparative Zoology, Harvard University 
This is the second of what I hope will be a continuing 
series of papers on Australian Carabidae. The first, with 
some information on sources of material and methods of 
work, appeared in Psyche, vol. 60, 1953, pp. 52-61. The 
present paper contains the descriptions of seven new Pter- 
ostichini of the Australian genera Leiradira, Setalis, TH- 
chosternus, and Notonomus. Several of the new species 
either extend the known ranges of their genera or show 
unusual characters or variations. Except as otherwise 
stated, all the specimens here reported upon were collected 
by myself during the course of the Harvard Australian 
Expedition of 1931-1932. 
Genus Leiradira Cast. 
Leiradira alternans n. sp. 
Of general form and appearance of previously known 
Leiradira (e. g. auricoUis Cast.) but larger and narrower; 
color, including appendages, black or piceous (more rufous 
in recently emerged individuals) with outer antennal seg- 
ments brown ; rather shining, microsculpture faint, iso- 
diametric on head, somewhat transverse on prothorax and 
elytra. Head normal for genus, .67 and .71 width prothorax 
in 5 $ measured; antennae geniculate but with 1st seg- 
ment shorter than usual in genus; frontal sulci deep, linear, 
somewhat curved and converging anteriorly, joined anter- 
iorly by a variable but usually lightly impressed clypeal 
suture; surface impunctate. Prothorax appearing at least 
as long as wide but by measurement slightly wider than 
long; base about equal to apex; sides broadly arcuate, al- 
most parallel 1/3 from apex, strongly sinuate just before 
base ; basal angles right ; lateral margins very narrow, 
consisting of marginal bead only, with usual setae at base 
90 
