330 ORISMOLO(rY. 
2. Scurate (Scutata), When a single jomt of the 
hand is dilated into a broad scutiform plate. Ex. 
Hydrophilus piceus 8. Prats XV. Fie. 8. 
3. SrriciLaTe (Strigilata). When on the inner side 
of the first joint of the hand or palm the segment 
of a circle is taken out at the base opposite to the 
spur, the sinus being often pectinated with spines. 
Ex. Apis*. Prats X XVII. Fie. 36. a. 
4. AURICULATE (Auriculata). "When any of the joints 
are externally dilated into an auriform process. 
Ex. Gryllotalpa.. Puate XV. Fie. 6. 2". 
ii, ALITRUNK (Azireuncws). 
1. Burien (Sepultus). When its upper surface is wholly 
or nearly covered and hidden by the thorax, elytra 
or other organs of flight’. Ex. Coleoptera, Ortho- 
ptera. 
2. REVEALED (Revelatus). When it is not so covered, 
but is equally conspicuous with the Prothorax, or 
even more so. Ex. Neuroptera, Hymenoptera, 
Diptera. Atractocerus in Coleoptera. : 
3. CoaiTE (Coalitus). When it is not separable into 
two segments, the Medipectus and the Postpectus 
forming one piece. Ex. Cimea L. 
4. BrisrecrEp (Bisectus). When it is separable into 
two segments. Ex. Lamellicorn beetles. 
a MESOTHORAX. 
&@. COLLAR (Collare). 
1, UNcovERED (Apertum). When it is not concealed 
« Monogr. Ap. Angl.i. 97. t. xii. Apis. **. e. 1. Neut. f. 21. d. 
» This term may be applied to the Mesothorax in heteropterous 
Hemiptera, in which that part lies buried under the Prothoraw. 
Pirate VIII. Fic. 20. 2, #. 
