MICHIGAN ACADEMY OF SCIENCE. 
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Exserted. — Protruding. 
Fastigium. — The extreme front of the top of the head; it joins the occi- 
put with the face. 
Femora. — Thighs. 
Fossa. — A depression or groove. 
Foveola. — Two small depressions on the margin of the vertex, near the 
* compound eyes. 
Furcula. — A forked process from the last abdominal segment, which 
lies over the supra-anal plate. 
Fuscous. — Very dark brown, nearly black. 
Lobe, lateral. — Of pronotum, the nearly vertical side plates. In 
Tettixes, a projection in front of the lateral sinus, and between the first 
and second legs. 
Median lobe, in Tettixes^ separates the lateral from the posterior 
sinus. 
Mesonotum. — The dorsal part of the middle segment of the thorax. 
Metanotum. — The dorsal part of the last segment of the thorax. 
Metazona. — The part of the pronotum behind the principal sulcus. 
Occiput. — The top of the head, where it joins the thorax. 
Ocelli. — Simple eyes, found, one in the middle of the face, and one 
near each antenna. 
Ovipositor. — Four prongs, more or less united, extending from the last 
abdominal segment of the female, with which the eggs are placed. 
Pilose. — Hairy. 
Pronotum. — Dorsal part of first thoracic segment. 
Prosternum. — Ventral part of first thoracic segment. 
Prozona. — -That part of the pronotum in front of the principal sulcus. 
Pubescent. — Covered with soft, short and not crowded hair, wool, or 
down. 
Punctate. — Finely dotted or pitted. 
Quadrate areolate.— Divided into four-sided spaces. 
Reticulate. — With net-like veins or markings. 
Rugose. — Rough or wrinkled. 
Sinus. — Lateral, in Tettixes, a notch in the pronotum just above the 
second leg. Posterior sinus, a small notch just back of the lateral sinus. 
Sub-. — A prefix meaning nearly, somewhat. 
Sulcus. — A narrow groove; principal sulcus, the deeper sulcus cross- 
ing the pronotum. 
Tarsus. — The foot, made up of 3-4 joints. 
Tectiform. — Roof like. 
Tibia. — The section of the leg between the thigh and foot. 
April, 1911. 
