. A manual for the study of insects. Insects. INSECTS AND THEIR NEAR RELATIVES. 21 segmented ; and the abdomen bears at its end organs for spinning silk (Fig. 13).. Fig. 13.—Penceiia viridans, (From the Author's Report on Cotton Insects.) The mandibles (Fig. 14, md) consist of two segments, a strong basal one and a claw-shaped terminal one, at the tip of which a poison gland opens (Fig. 15). It is by means of these organs that spiders kill their prey. The palpi are leg- like in form, but differ greatly according to sex. In the female the last segment of the palpus resembles a foot of the spide
. A manual for the study of insects. Insects. INSECTS AND THEIR NEAR RELATIVES. 21 segmented ; and the abdomen bears at its end organs for spinning silk (Fig. 13).. Fig. 13.—Penceiia viridans, (From the Author's Report on Cotton Insects.) The mandibles (Fig. 14, md) consist of two segments, a strong basal one and a claw-shaped terminal one, at the tip of which a poison gland opens (Fig. 15). It is by means of these organs that spiders kill their prey. The palpi are leg- like in form, but differ greatly according to sex. In the female the last segment of the palpus resembles a foot of the spider, and is usually armed with a well-developed curved claw. But in the male the corre- sponding segment is more or less enlarged, and very complicated in structure (Fig. 16). ^'of clphaVothorax'of The greater number of spiders have four dibie'f^wyma^na; pairs of eyes (Fig. 17), but there may be fip;^J,^st'emum.°'^^'^. 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 Comstock, John Henry, 1849-1931; Comstock, Anna Botsford, 1854-1930. joint author. Ithaca, N. Y. , Comstock Pub. Co.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsects, bookyear1895
