Canadian zone: is that part of the boreal region comprising the southern part of the great transcontinental coniferous forests of Canada, the northern parts of Maine, New Hampshire and Michigan, and a strip along the Pacific Coast reaching south to Cape Mendocino and the greater part of the high mountains of the United States and Mexico. In the east covers Green. Adirondack and Catskill Mountains and the higher mountains of Pennsylvania, West Virginia, Virginia, western North Carolina and eastern Tennessee. In the Rockies extends continuously from British Columbia to western Wyoming and in the Cascades from British Columbia to southern Oregon with a narrow interruption along the Columbia River. Canaliculate: channelled; longitudinally grooved, with a deeper concave line in the middle. Cancellate: cross-barred: latticed: with longitudinal lines decussate by transverse lines. Canescent: hoary, with more white than gray. Canine teeth: applied to the sharp and conical teeth of mandibles in predatory species: = dentes caninae. Cantharidin: the substance that gives the meloid beetles their blistering power composition, C10H12O4 (von Furth). Canthus: the chitinous process more or less completely dividing the eyes of some insects into an upper and lower half. Canus: see canescent. Capillaceous: capilla or hair-like. Capillaris: a very slender, hair-like tube. Capillary: long and slender like a hair: antennae in which the joints are long, slender and loosely articulated. Capillate -us: clothed with long slender hair; = coryphatus. Capillii: hairs of the head that form a cap as in certain Trichoptera and Tineid Lepidoptera. Capillitium: the hood-like collar in some Noctuid moths, e.g. Cucullia: see cucullus. Capitate: with a head: that type of clavate antenna in which the club is abruptly enlarged at tip and forms a spherical mass. Capitulum: a small head: the enlarged tip of an antenna: the little knob at tip of halteres in Diptera: the labella or lapping tip of the mouth of certain flies. Capricorn beetle: a Cerambycid or long horned beetle. Caprification: is that method or process through which the Smyrna figs are fertilized by Blastophaga throughthe medium of wild, inedible or "caprifigs." Capsular: in the form of a capsule or little cup-like container. Caput: the head with all its appendages. Capylus: a hump on the Tupper side of the segments of many larva. Carabidoid: applied to the second stage of a meloid larva, when it resembles that of a Carabid. Carbonarius: coal black. Cardia: the gizzard; q.v.: also applied to the heart. Cardiac: belonging or relating to the heart. Cardiac valvule: see oesophageal valve. Cardinal cell: Odonata; see triangle. Cardioblasts: a string or row of cells in the embryo giving rise to the heart or dorsal vessel. Cardio-coelom: that part of the coelom that forms the pericardium. Cardio-coelomic: applied to the venous openings from the heart to the body cavity.