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Show 1900.] EARTHWORMS OF THE GENUS AMYNTAS. 629 Papillae paired on vii.-ix., and three or four surrounding male pore. Spermiducal gland sometimes wanting. Spermathecae either without or with but minute diverticulum. Hab. Japan. This species, winch Michaelsen merges with his A. divergens, has, I think, claim to distinction on account of the three pairs of spermathecae in segments vii.-ix., with absent diverticula or with (in the case of the variety flavescens) only minute diverticula to the pair of spermathecae in segment viii. E. Spermathecae 2 pairs in viii., ix. 43. Amyntas semifasciatus Mich. Amgntas semifasciatus, Michaelsen, Jahrb. Hamb. wiss. Anst. xvi. p. 49. 110 mm., 88 segments. Setae 45 on v., 62 on xxiv. Small papillae, one or two pairs on xvii., xix. Both gizzard-septa present but thin. Spermiducal glands in xvii., xviii., with bent duct. Diverticulum of spermatheca very short. Hab. Celebes. Only a single specimen has been described. 44. Amyntas aeruginosus Kinberg. Amyntas ceruginosus, Kinberg, G£fv. K. Svensk. Ak. Forh. 1886, p. 101. Amgntas ceruginosus, Michaelsen, G£fv. K. Svensk. Ak.Forh. 1899, p. 434 ; id. Jahrb. Hamb. wiss. Anst. xvi. p. 4. Megascolex ceruginosus, Vaillant, Anneles, 1889, p. 82. Perichceta musica, Michaelsen, Oligochaeta in Semon's Forsch. Reise, v. Lief. i. p. 99. Megascolex musicus, Horst, Notes Leyd. Mus. v. p. 193. Perichceta musica, Horst, Notes Leyd. Mus. xii. p. 236 ; id. ibid. xv. p. 338 ; id. Zool. Ergebn. M a x Weber, Bd. ii. p. 59. Perichceta musica, Vordermann, Natuurk. Tijdscbr. Ned. Indie, xii. p. 1, & xliv. p. 1. Perichceta fasciata, Bosa, Ann. Mus. Civ. Genova, (2) xii. p. 543, <fc xvi. p. 609. Perichceta longa, Horst, Notes Leyd. Mus. xv. p. 325. Perichceta musica, Ude, Zeitschr. wiss. Zool. lxvii. p. 63. Perichceta musica, Michaelsen, Arch. f. Naturg. 1892, p. 238. Perichceta musica, Bosa, Atti B. Accad. Torino, xxix. p. 8. Perichceta longa, Michaelsen, Arch. f. Naturg. 1892, p. 239. Perichceta willeyi, Benham, Ann. Nat. Hist. (6) xvi. p. 41. 180-570 mm., 100-166 segments. Setae from 50-100. 17 seta? between male pores. Spermiducal glands in xviii. only; duct short and straight. Diverticulum of spermatheca very long and much coiled. Hab. Java, Sumatra, Guam. This, the largest of all species of Amyntas, aud one of the largest |
