Smithsonian miscellaneous collections . ral length of the descriptions is thestraight-line distance between the tips of the closed mandibles andthe point where the upper surface of the rostrum meets the globularbasal portion of the head. The terms anterior, posterior, dorsal, andventral, as applied to the surfaces and edges of the leg segments,indicate the relative positions that would be assumed by these surfacesif the leg were extended in a straight horizontal line at right angles tothe longitudinal axis of the body. KEY TO SUBGENERA OF PANSCOPUS I. Mentum with a single setigerous puncture e
Smithsonian miscellaneous collections . ral length of the descriptions is thestraight-line distance between the tips of the closed mandibles andthe point where the upper surface of the rostrum meets the globularbasal portion of the head. The terms anterior, posterior, dorsal, andventral, as applied to the surfaces and edges of the leg segments,indicate the relative positions that would be assumed by these surfacesif the leg were extended in a straight horizontal line at right angles tothe longitudinal axis of the body. KEY TO SUBGENERA OF PANSCOPUS I. Mentum with a single setigerous puncture each side of middle (rarely two) ;metepistenial suture invisible (fused with metasternum) ; rostrum abovewith a scale-covered, sometimes feeble, median carina in about basal two-thirds ; species east of looth meridian 2. ^ This is the third contribution to be published by the Smithsonian Institutionunder the Thomas Lincoln Casey Fund. Smithsonian Miscellaneous Collections, Vol. 94, No. 16 I SMITHSONIAN MISCPILLANEOUS COLLECTIONS VOL. 94.
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Keywords: ., bookauthorsm, bookcentury1800, bookdecade1860, booksubjectscience
