Langerhans (55) describes:[long dash] Aricia acustica, sp. n. Spio atlanticus, sp. n. Polydora hamata, P. armata, spp. nn. Spiochoetopterus madeirensis, sp. n. Cirratulus viridis, sp. n. Choetozone macrophthalma, sp. n. Notomastus roseus, sp. n. Axiothea cirrifera, sp. n. Ampharete minuta, sp. n. Polycirrus triglandula, sp. n. Sabella rubra, sp. n. Jasmineira, g. n. " Sabellaceae hamis uniserialibus manubrio longo thoracalibus; abdomine hamis brevibus ut in genere Sabella formatis armato." J. caudata, sp. n. Chone arenicola, C. collaris, spp. nn. Oria eimeri, sp. n. Fabricia nigra, sp. n. Serpula concharum, sp. n. Polygordius schneideri, sp. n. He gives (p. 111) a table of the genera of the Sabellidae. In reviewing the results of his investigations into the Chaetopod fauna of Madeira, Langerhans states that he has found 153 species; of these 57 are new, of the rest 72 are found in the Mediterranean, and of these 33 are also found on the European oceanic coasts; of the 24 not found in the Mediterranean, 3 are West Indian, 3 have been found in high latitudes; Haphosyllis hamata, Syllis graciiis, and, perhaps, Odontosyllis ctenostoma, and Ehlersia cornuta are cosmopolitan. .Langerhans (55) found 18 Nemertina at Madeira, of which the following are new species:[long dash] Cerebratulus macintoshi, C. hubrechti; and Tetrastemma quadristriatum. .Langerhans (55) distinguishes three genera:[long dash]I.[long dash]Sagitta. Body delicate, two pairs of accessory jaws, and two pairs of free lateral fins. S. magna, sp. n. II.[long dash]Krehenia, g. n. (nec Quatrefages). Body delicate, one pair of accessory jaws, and one pair of free lateral fins. K. hamata, Mobius. III.[long dash]Spadella, g. n. Body compressed, subcutaneous tissue greatly developed, and extending as far as the single lateral fin, two pairs of accessory jaws. The species cephaloptera, Busch, draco, Krohn, gallica, Paganstecher, and batziana, Giard, fall into this genus.
