PLATE LXXXVII. 
ILLUSTRATIONS OF FOUR SPECIES OF THE GENUS CHIROSCELIS. 
— 
CHIROSCELIS, Lamarck, Ann. v. Mos. 11, p. 260. 
Tuts genus was established for the reception of an insect respect- 
ing whose native country there is some doubt, Lamarck stating, 
‘Ce coléoptere habite vraisemblablement dans la Nouvelle Hollande, 
car il se trouvait parmi ceux de cette contrée que le Capitaine 
Baudin a envoyés par le vaisseau le Naturaliste;” and Latreille 
states of it, ‘‘ Habitat in Australasia; insula Sta. Maria, Dom. Peron, 
Lesueur,” adding (Gen. Cr. ii. 144), “‘ Speciem alteram priori fere 
similem at paulo minorem et maculis abdominalibus nullis ex Africa 
attulit Peron.” Lamarck’s insect is stated by him to have been “un 
peu plus de 4 centimétres (un pouce et demi) de longueur,” and his 
figure ‘“‘ de la grandeur naturelle,” represents an insect 20 lines long. 
On this account, and especially as a species of the genus has now 
been detected in the south-east part of Africa, it is probable that 
Lamarck’s species is distinct from the followmg :— 
CHIROSCELIS DIGITATA, Fadr. 
(Plate 87, fig. 1. 4.) 
C. nigra nitida elytris parallelis, tibiis posticis inermibus, maculis abdominalibus subovatis. 
Long. corp. lin. 18. 
Habitat in Guinea, Sierra Leone, &c. Mus. Westw., &c. 
Syn. Tenebrio digitatus, Fabr., Syst. Eleuth. 1, p. 145. (Excl. Syn. T. fossor. in Mus. 
Banks, quod ad genus Zabrum revocandum.) 
Klug in Erman’s Reise, t. 15, fig. 11. (Long. corp. lin. 154.) Guérin Icon. R. An. 
Inss B30) tos 
Ample details of the structure of this species are given in my 
paper on the African Tenebrionidz, published in the third volume 
of the Transactions of the Zoological Society; in addition to 
which, it is to be observed that a dissection of both kinds of 
individuals of this species—namely, those possessing and those 
destitute of the luteous sericeous patches on the underside of the 
second segment of the abdomen, has proved that the suggestions 
which I made in my Introduction to the Modern Classification 
of Insects, vol. i. p. 320, 322, as to the sexual distinctions of these 
individuals (founded on their analogy with other Melasomata) 
were correct, the specimens destitute of the patches being males ; 
one of these individuals is represented in fig. 1; fig. 1 a, being the 
figure of the underside of the abdomen ; and fig. 1 , the male sexual 
