12. 
13. 
ORISMOLOGY. 259 
species of Cynips when mature approach to this 
~ substance. 
SponciosE (Spongiosa). A soft elastic substance re- 
sembling sponge. Ex. The Pulvilli of Thanasi- 
mus, Buprestis, &c. 
. Ligneovus (ZLignosa). A hard unelastic substance 
like wood. Ex. Gaills of some species of Cynips. 
. Carnose (Carnosa). <A. soft, fleshy substance. 
Ex. Caterpillars and Grubs. 
Tusutose (Yubulosa). When the interior is hol- 
low or empty. 
Soxuip (Solida). When the interior is full. 
II. RESISTANCE. 
. Rierp (Rigida). Hard, which does not bend or yield 
to pressure. Ex. Curculio L. 
FLexiLe (Levzilis). Which easily bends, or yields to 
pressure without breaking. Ex. Elyiraof Telephorus. 
. Sort (Moilis). Filexile and retaining the marks of 
pressure. Ex. Hlytra of Meloe. 
III. DENSITY. 
. Foutaceous (Foliacea). Very thin and depressed, 
scarcely thicker than a leaf. Ex. Aradus corticalis 
and Coreus paradozus. 
DepresseD (Depressa). When the vertical section 
is shorter than the transverse. Ex. Trogosita mau- 
ritanica. 
CompressED (Compressa). When the transverse 
section is shorter than the vertical. Ex. Centrotus 
cornutus : Abdomen in Cynips. 
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