Notes on Australian Coleoptera. 203 
oval, truncated at the apex; the labicw with the basal 
article short, the second very long, straight, the last rather 
shorter, straight inside, rather arched externally, and trun- 
cated at the extremity; maxille having its external lobe 
bi-articulated ; the first article being much longer than the 
other, which is curved ; the internal lobe straight, arched at 
the extremity, very hirsute internally. Antenne rather 
long, slender; the first article large, the second conic, and 
shorter, the third the longest of all. Tarsi of the male 
having the three first articles of the anterior pair strongly 
dilated and triangular, the fourth much less so, and elongate; 
below the three first are two rows of squamulz, and below 
all long spiniform hair; the other tarsi are not dilated. 
Body thick and heavy. Head rather large, oval; thorax 
having the same form as in Abax; scutellum short, broad, 
rounded behind; elytra oval, legs strong ; trochanters large 
and oblong; tibiza lined with short spinous hair; the ante- 
rior terminated by a strong spine, and having a second above 
the emarginated part; the first strize of the elytra deviating 
obliquely towards the scutellum, but no abbreviated strie. 
Tibarisus Melas: length 9’; of a shiny black; thorax 
transversal, as broad behind as im front, rounded laterally, 
feebly impressed in front, having the longitudinal sulcate 
moderately marked, strongly bi-impressed oneach side behind; 
elytra very strongly striated; the margin impressed; 
hair below the tarsi brown, as also the pubescence that 
covers the antenne after the third article. 
From Queensland (Rockhampton and Brisbane), and north 
of New South Wales (Clarence River). 
FERONIA. 
is First Group.—Omalosoma. 
This group is most generally formed on insects of large 
eize ; their elytra are not properly striated, but bear large 
sostee, between which strize may sometimes be seen, in some 
sorts, and particularly in Superba; the palpi are broadly 
truncated, and the labial are almost securiform. - ; 
Feronia Atlas: length 17’; black, brilliant, with the 
exception of the elytra-which are eneus, margins of the 
thorax and of the elytra having a fine copper metallic 
tinge, sometimes red, sometimes green; the general form 
short and robust ; head large, smooth, with two longitudinal 
impressions between the eyes; thorax short, cordiform, 
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