MORSE: ORTHOPTERA OF NEW ENGLAND. 545 
Scoop: a concavity formed by the recurved tips of the ovipositor of the female 
Locust which aids in removing loosened earth when laying the eggs. 
Scrobes: the pits in which the antennae are attached to the head. 
Scutellum: the third dorsal sclerite of the thoracic segments (usually com- 
pounded with pro-, meso-, and meta-). 
Scutellum of vertex: a depression on top of the vertex of the head. 
Second maxilla: sometimes applied to the labium. 
Segment: one of the ring-like divisions of the body or appendages. 
Serrate: toothed like a saw, the teeth pitched toward one end. 
Setaceous: bristle-like, tapering to a fine point. 
Sinuate: wavy; winding in S-like curves, — applied to lines and margins. 
Sinus: a hollow or excavation, e.g., the sinuses of the pronotum of Acrydii- 
nae (Plate 24, figs. 1, 7). 
Somite: a segment of the body. 
Speculum: a transparent area in the tegmina of some male Orthoptera; it 
is probably connected with sound-production. 
Spindle-shaped: tapering with symmetrically convex sides toward both ends. 
Spinose: bearing spines. 
Spiracles: the openings or breathing-pores on the sides of the insect body 
through which air enters the tracheae. 
Spurious veins: supernumerary vein-like thickenings in the tegmina or wings, 
likely to be mistaken for the regular veins. 
Stigmata: sometimes used for spiracles. 
Stipes: a large sclerite of the maxilla. 
Stridulation: the production of sounds by rubbing or striking together rough- 
ened surfaces. 
Sub-: a prefix meaning 'less than,' 'under,' or 'before.' 
Subgenital plate: the last ventral sclerite of the abdomen. 
Sulcate: grooved, channeled. 
Sulcus: a groove or channel. 
Supra-anal or sur-anal plate: the last dorsal plate of the abdomen. 
Suture: a narrow line, often impressed, marking the junction of sclerites. 
Synonym: a name applied to a species or genus which has been named and 
described before. 
Tarsus {~i): the terminal, jointed portion of the leg, distad of the tibia. 
Tawny: a rufous brownish yellow. 
Tectiform: roof -shaped; slanting downward on both sides. 
Tegmen (pi. tegmina): the anterior wing, = wing-cover, of Orthoptera. 
Terga; tergites: the dorsal sclerites of the insect body behind the head. 
Tergum: the entire dorsal surface .of an in.sect, or of a segment of the body. 
Thamnophile, -ous: thicket-loving, — said of species living in thickets, either 
woody or herbaceous. 
Thorax: the second or intermediate region of the insect body, bearing the 
wings and the true or jointed legs. 
Tibia: the shank, or second long joint of the leg, between the femur and the 
tarsus. 
