118 Mr. J. O. Westwood’s Descriptions, §c. 
convexis ovatis, tenuissimé striatis. Pedes antici breves; 
calcari parvo obliqué truncato. Tbe posticee subcurvatze 
depressee. Tarsi breves, unguibus subtus denticulo in- 
structis. 
This genus is distinguished by the broad round outline of the 
convex body, the truncation of the spur of the anterior tibize, the 
armature of the ungues and the curved hind tibiz. 
Temnoplectron rotundum. (Pl. VIII. fig. 1.) 
T. nigrum, nitidum; tibiis anticis obtusé tridentatis, singulo 
elytro striis 8 tenuissimis, strid suturali punctata. 
Long. corp. lin. 5. 
Habitat Melville Island. 
In Mus. Dom. Hope. 
Syn. Ateuchus rotundus, Hope, MSS. 
The above, together with Copris 4-pustulatus and Ateuchus 
bipustulatus of Fabricius, constitute the whole of the Australian 
Scarabeide with elongated legs; and it is remarkable that all 
these possess anterior tarsi, whereas in their immediate allies from 
other parts of the globe the fore feet are destitute of tarsi. 
DESCRIPTION OF PLATE VIII. 
Fig. 1. Temnoplectron rotundum ; 1a, front of head; 1, labial palpus ; 
le, mentum, &c.; 1d, fore tibia and tarsus; 1 e, middle ditto. 
Fig. 2. Tessarodon angulatus ; 2u, head; 26, mentum, &c.; 2c, labial 
palpus ; 2d, striz of elytra ; 2e, fore tibia and tarsus ; 2 f, middle 
ditto ; 2g, hind ditto. 
Fig. 3. Coproecus hemisphericus ; 3a, hind foot. 
Fig. 4. Aulacium carinatum ; 4a, maxilla; 46, mentum, &c.; 4°, strie of 
elytra ; 4d, anterior foot. 
Fig. 5. Cephalodesmius armiger ; 5a, labrum highly magnified ; 56, man- 
dible; 5c, maxilla; 5d, mentum, &c.; 5e, labial palpus; 5/f, 
anterior foot. 
