. Bulletin of the Illinois State Laboratory of Natural History. Natural history -- Illinois. Fk;. I. IIS iiili'iis, dorsal view domen in such a way that the former can against the ventral surface of the latter. The cephalothorax may be divided into two parts; the rostrum (Fig. 1, h'n.) and _ the posterior portion. 'I'he rostrum is the anterior hood-like petition which protects the mouth-parts. I'pon the rostrum is found a pair of stout hairs termed rostral /.''*. //.i; sometimes the Ml', hairs (Fig. 1. Fi( l5( SCg- Oiiliiifii 'i, iTian- ( Please note that these imag
. Bulletin of the Illinois State Laboratory of Natural History. Natural history -- Illinois. Fk;. I. IIS iiili'iis, dorsal view domen in such a way that the former can against the ventral surface of the latter. The cephalothorax may be divided into two parts; the rostrum (Fig. 1, h'n.) and _ the posterior portion. 'I'he rostrum is the anterior hood-like petition which protects the mouth-parts. I'pon the rostrum is found a pair of stout hairs termed rostral /.''*. //.i; sometimes the Ml', hairs (Fig. 1. Fi( l5( SCg- Oiiliiifii 'i, iTian- ( Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois State Laboratory of Natural History. Bloomington, Ill. : The Laboratory
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