DIY History | Transcribe | Scholarship at Iowa | 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 17

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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 17

the fourth enlarged toward the tip, truncate. The posterior or labial palpi are pedunculated, approximate at base, nearly equal to preceding pair, three jointed; first joint minute, reaching the tip of the inner division of the mentum; second, elongate, cylindrical, very hairy above; third, glabrous, shiny, about one half the preceding in length, truncate at tip. Ligula small, hidden by the mentum tooth. Mentum corneous transverse, somewhat concave, edge three parted, inner division a tooth as long or nearly as long as the outer ones which are dilated and concave on the inner margin to admit of the free motion of the labial palpi, rounded on the outer margin. Antennae inserted upon the front, above the mandibles, nearly in contact with the eyes; always eleven jointed, the four inferior joints glabrous and shiny, the others pubescent; first joint dilated, attenuated at base, sometimes quite rough; second joint very small rounded; third joint long, cylindrical and slightly dilated at tip; the succeeding ones subequal or gradually dereasing in length and

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the fourth enlarged toward the tip, truncate. The posterior or labial palpi are pedunculated, approximate at base, nearly equal to preceding pair, three jointed; first joint minute, reaching the tip of the inner division of the mentum; second, elongate, cylindrical, very hairy above; third, glabrous, shiny, about one half the preceding in length, truncate at tip. Ligula small, hidden by the mentum tooth. Mentum corneous transverse, somewhat concave, edge three parted, inner division a tooth as long or nearly as long as the outer ones which are dilated and concave on the inner margin to admit of the free motion of the labial palpi, rounded on the outer margin. Antennae inserted upon the front, above the mandibles, nearly in contact with the eyes; always eleven jointed, the four inferior joints glabrous and shiny, the others pubescent; first joint dilated, attenuated at base, sometimes quite rough; second joint very small rounded; third joint long, cylindrical and slightly dilated at tip; the succeeding ones subequal or gradually dereasing in length and