. Annals of natural history. Natural history; Plants. 17(1 Dr. Johnston un the Irish Annelides. armed with compound bristles,—the superior tubercle being always situated between the dorsal and second papilla?, and the interior tubercle between this and the ventral papilla*. On these particulars I will endeavour to define the British spe- cies before me; and I trust that, with the designs which il- lustrate the specific characters, the student will now be able to determine, with comparative ease and certainty, such of them as he may meet with in his researches. Genus Nereis. (Nereis, Cut. Reg.
. Annals of natural history. Natural history; Plants. 17(1 Dr. Johnston un the Irish Annelides. armed with compound bristles,—the superior tubercle being always situated between the dorsal and second papilla?, and the interior tubercle between this and the ventral papilla*. On these particulars I will endeavour to define the British spe- cies before me; and I trust that, with the designs which il- lustrate the specific characters, the student will now be able to determine, with comparative ease and certainty, such of them as he may meet with in his researches. Genus Nereis. (Nereis, Cut. Reg. Anitn. iii. 201. And. 8f M. Edw. Litt. de la France, ii. 1S1.—Lycoris, (Savigny,) Lam. Anitn, s. Vert. v. 311. 2de edit. v. 548.) For the character of the genus see Annals of Nat. History, iii. p. 289. • Feet homologous. 1. N. brevimanus, post-occipital segment not longer than the second; tentacular cirri once and a half or twice its dia- meter ; jaws with 8 serratures, the apices unarmed; feet homologous, the branchial papillae subequal, the inferior coa- lescent with the setigerous tubercle on the posterior feet; cirri very short, not reaching the apex of their lobes ; setigerous tubercles well-developed, the bristles smooth. Fig. 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 London, R. and J. E. Taylor
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