This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1880 edition. Excerpt: ... their structure. There seems, however, to be no reason to doubt the complete distinctness of the genus, and I therefore think it best to describe it, even though imperfectly. Its nearest ally is probably Jurinia, Claus, but in that genus the third and fourth pairs of feet have the inner branches well ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1880 edition. Excerpt: ... their structure. There seems, however, to be no reason to doubt the complete distinctness of the genus, and I therefore think it best to describe it, even though imperfectly. Its nearest ally is probably Jurinia, Claus, but in that genus the third and fourth pairs of feet have the inner branches well developed, while in Nannopus they are obsolete. The second foot-jaw, which in Jurinia is said to be reduced to a few setae only, has not been observed in Nannopus. The specimens were taken in pools of brackish water in a salt marsh at Seaton Sluice, Northumberland, a locality which has yielded many interesting species and which would doubtless well repay an attentive investigation by some naturalist living within easy reach of it. Genus 23. Platychelipus, nov. gen. Anterior antennae 6-jointed; secondary branch of the posterior antenna small, 1-jointed; mandible-palp composed of a single 2-jointed branch (PI. LXXIX, fig. 20) bearing four apical setae; maxilla (fig. 21) well developed, palp composed of three large setiferous digits; first foot-jaw (fig. 22) stout, having three large marginal segments, all of which bear short, strong setae; second pair of foot-jaws (PI. LXXX, fig. 19), forming a clawed prehensile hand. First pair of feet having both branches 2-jointed, the inner elongated and slender, but not forming a clawed hand. Inner branch of the second pair small, 2-jointed, outer branch 3-jointed; the third and fourth pairs have the inner branch reduced to a setiferous tubercle, the outer strong and 3-jointed; fifth pair, 2-branched, foliaceous. This genus agrees very much with Nannopus, but it irXar us, broad; xnq, claw; Toi'c, foot. is clearly separated from it by the 2-jointed branches of the first foot. Only one species has yet been...
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Add this copy of A Monograph of the Free and Semi-parasitic Copepoda of to cart. $72.38, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2023 by Outlook Verlag.
