140 GLOSSARY. 
Femur. The third joint of the legs in Arthropods. 
FinirorM. Slender, of the same thickness throughout. 
Fouiackous. Expanded like a leaf. 
FosseTtreE. A more or Jess rounded depression. 
Fovea. The same as fossette. 
Futvous. Light yellowish-brown. 
Fuscous. Dull brown. 
GLABROUS. Smooth; without hairs. 
Guaucous. Bright greyish-blue. 
HYALINE. Transparent. 
Hypopycium. Appendages at the end of the abdomen in 
male Diptera. 
INTERCALARY VEINS. Veins in the wings of insects which 
start from a transverse vein. 
Lapium. The lower lip in insects. 
Lasrum. ‘The upper lip in insects. 
LAMELLATE. Divided into several leaves. 
Linear. Of equal thickness throughout. 
Lineuta. The tongue in insects. 
LutTeous. Brownish-yellow. 
~Macuta. A dark angular spot. 
MANDIBLES. The upper Jaws in insects. 
MaxitL&. The lower jaws in insects. 
Mentum. The chin. 
Mrsonotum. The upper part of the mesothorax. 
MESOSTERNUM. The lower part of the mesothorax. 
MersoTHoRAX. The middle division of the thorax. 
MeETANOTUM. The upper part of the metathorax. 
METASTERNUM, The lower part of the metathorax. 
METATHORAX. The posterior division of the thorax, 
