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 16

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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 16

Cincindelidae.
Head large, broader than the thorax, exserted, inclined, suboval; vertex usually rugose, elevated each side upon the eyes, concave on the disc. Eyes usually large, ovate, prominent. Mandibles very large, acute, dentate within, a large compound tooth at the base and about three others nearer the tip. Maxillae recurved, two lobed, the interior armed with spines or rigid bristles on the inner margin and usually terminated by an articulated hook. Palpi six, usually not longer than mandibles, filiform, the anterior pair (maxillary palpi) biarticulated; the first joint elongated, rectangular, slightly dilated at tip and almost attaining the length of the maxilla; the second joint somewhat shorter, linear, slightly incurved toward the maxilla and attaining the length of the terminal hook. The intermediate pair is situated on the back of the maxillae, four-jointed; the first joint short, articulated at its insertion; second joint elongated, cylindrical, extending beyond maxilla; third joint slightly longer than the first, gradually dilated at tip;

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Cincindelidae. Head large, broader than the thorax, exserted, inclined, suboval; vertex usually rugose, elevated each side upon the eyes, concave on the disc. Eyes usually large, ovate, prominent. Mandibles very large, acute, dentate within, a large compound tooth at the base and about three others nearer the tip. Maxillae recurved, two lobed, the interior armed with spines or rigid bristles on the inner margin and usually terminated by an articulated hook. Palpi six, usually not longer than mandibles, filiform, the anterior pair (maxillary palpi) biarticulated; the first joint elongated, rectangular, slightly dilated at tip and almost attaining the length of the maxilla; the second joint somewhat shorter, linear, slightly incurved toward the maxilla and attaining the length of the terminal hook. The intermediate pair is situated on the back of the maxillae, four-jointed; the first joint short, articulated at its insertion; second joint elongated, cylindrical, extending beyond maxilla; third joint slightly longer than the first, gradually dilated at tip;