nidse ; the anterior tarsi are dilated, but whether equally in 
both sexes I am unable to determine, from the scarcity of the 
species ; the mandibles are furnished with a ciliated membrane 
on the inside, called the prosiheca by Mr. Kirby, when it 
forms a distinct lobe ; but the most curious part of the struc- 
ture is the curved spine on the inside of the 2nd joint of the 
labial palpi. 
T. ritfipesj in habit as well as in the form of the trophi, dif- 
fers materially from Astrapccm JJlmi , which first induced Dr. 
Leach to separate it from that genus in which it was included 
by M. Latreille. Having had occasion to examine them for- 
merly, I found the T. rujipes agree so much better with the 
group called Goerius, that I placed it in that genus, immedi- 
ately following an unnamed specimen which appeared to be 
closely allied to it, and which Mr. Waterhouse informs me is 
the G. confinis , Kirby ; and as he had formed the same opinion 
as myself, I have again investigated the subject; and thinking 
it ought to be included in the genus Tasgius, I shall describe 
both species. 
1. T. rufipes Lai. — Curt . Brit . Ent.pl . 438. 
Piceous black, shining, with long scattered hairs : head and 
thorax sometimes with a slight bluish cast, and thickly punc- 
tured ; mandibles castaneous, palpi and antennae ferruginous, 
the latter dusky at the middle : head with 4 small transverse 
punctures behind : thorax with a slightly raised line down the 
middle; scutellum, elytra, and abdomen, very thickly and mi- 
nutely punctured, and clothed with short depressed pubes- 
cence, the two former dull cyaneous: coxae castaneous; legs 
bright ferruginous. 
My specimen of this rare insect, which has never before 
been figured, I took at Dover in 1831 ; those in the British 
Museum are from Spitchwick, Devon. 
2. T. confinis Kirby ? 
Length 6y to 7 lines. Black, palpi and internal margin of 
mandibles castaneous, articulations of antennae of the same 
colour ; head and thorax shining, slightly pilose, the former 
thickly punctured except on the crown, with a minute punc- 
ture behind each eye, the latter sparingly punctured: scu- 
tellum, elytra, and abdomen, minutely and thickly punctured, 
dull with depressed hairs : tarsi castaneous, rather dull at the 
base. 
This specimen I purchased in the collection of the late Mr. 
E. Blunt; it was taken probably in Essex, where it has been 
found under the bark of trees. 
The Plant is Vicia sepium (Bush Vetch). 
