ORISMOLOGY. 341 
from the dorsolum by a suture. — Ex. Colcoptera, 
&c. Plate VIII. Fig. 3. k'. 
3. Scutellate (Insectum scutellatiim). An insect hav- 
ing a visible scutellum. — Ex. Mclolontha. 
a. Rejected (Rejectum). When, though visible, it 
does not intervene between the elytra at their base. 
— Ex. Passalus. 
b. Received {Reccptum). When it intervenes between 
the elytra at their base. — Ex. Most scutellate Co- 
leoptera. 
4. Exscutellate [Insectum exscutellatum). When an 
insect has no visible scutellum, it being wholly co- 
vered by the Prothorax. — Ex. Copris. 
5. Ascending (Ascendens). When it curves upwards 
from the dorsolum. — Ex. Sagra. 
6. Tabular (Tabulare). When it is elevated on a 
footstalk above the dorsolum, and forms a tabular 
or flat surface. — Ex. Elater. 
7. Obumbrant (Obumbrans). When it overhangs the 
metathorax. — Ex. Musca. Plate IX. Fig. 19. k'. 
5. BASE-COVERS (Tegulce). 
1. Conchiform {Conchiformes). When they are a 
semicircular concavo-convex scale something re- 
sembling the valve of a bivalve shell. — Ex. Hi/- 
menoptera. Plate IX. Fig. 11, 12. g". 
2. Laciniform (Laciniformes). When they are long, 
of an irregular shape, and appear like lappets on 
each side of the trunk.— Ex. Lithosia, &c. Plate 
IX. Fig. 5. a 
a In many moths, particularly Sjrilosoma ocularia, and affinities, the 
insect looks as if its neck was ornamented with a beautiful tippet 
formed by the Patagia, and its shoulders by these lappets. 
