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The terrestrial Adephaga of Iowa (Part 1) by Fanny Chastina Thompson Wickham, 1895

The terrestrial Adephaga of Iowa by Fanny Chastina Thompson Wickham, 1895, Page 54

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slender, falciform, acute, more prominent than the margin of the fornt, armed with an acute tooth near the base. Maxillae with the small triangular basal piece, second joint moderatly stout attaining the sides of the head, with a few setae in front, third piece with the inner lobe tridentate near the tip and a moderately long, more slender terminal articulation. Palpi shorter than the inner lobe, three jointed, joints gradually longer but more slender from first to thirs. Mentum oval, narrow at base, basal portion feebly corneous, apical portion membranous. Palpi two jointed, first joint shorter and longer than seconds and with moderately long stiff hairs. Prothorax more than twice as wide as long, crescentic, apical margin deeplu bisinuate, disc feebly convex, median line finely impressed, posterior and lateral margins with moderately long whitish hairs. Mesothorax less than half as wide as prothorax, sides feebly arcuate and gradually but feebly narrowed to the front. Metathorax as wide as medothorax and a little shorter. Abdomen with
 
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