. Annotationes zoologicae japonenses / Nihon do?butsugaku iho?. 22 8. GOTO AND S. although there are no setae. Spermathecal pores 5 pairs, ay in IV/V—VIII/IX, externally invisible. Oviduct pore irregularly depressed. Male pores in XIX, separated by 13 setae, and about mm. apart. Onepair of genital papillae about mm. in diameter in segments XVII, Fig. 16. XVIII, XX, close to the posterior borders of the segments (fig. 16). First dorsal pore in XII/XIII. Gizzard in VIII, IX ; intestine beginning in XV, with one pair "of "cosca in XXVII, reaching as far anteriorly as XXI
. Annotationes zoologicae japonenses / Nihon do?butsugaku iho?. 22 8. GOTO AND S. although there are no setae. Spermathecal pores 5 pairs, ay in IV/V—VIII/IX, externally invisible. Oviduct pore irregularly depressed. Male pores in XIX, separated by 13 setae, and about mm. apart. Onepair of genital papillae about mm. in diameter in segments XVII, Fig. 16. XVIII, XX, close to the posterior borders of the segments (fig. 16). First dorsal pore in XII/XIII. Gizzard in VIII, IX ; intestine beginning in XV, with one pair "of "cosca in XXVII, reaching as far anteriorly as XXIII. Thickened septa V/VI—VII/VIII ; and X/XI—XII/XIII ; septa VIII/IX, IX/X wanting Spermathecae five pairs, in V—IX ; main sac elongated ovate, with a pointed apex ; diverticulum tubular and convoluted in its distal half, as long as the main portion. Sperm reservoir iu XI, XII, small. Ovary large ; ovisac absent. Prostate gland large, in XVIII—XXI, divided by deep incisions into three parts, with lobed margin. The genital organs are conspicuously small as compared with the large dimension of the body. The single specimen representing this species belongs to the Science College, and and we have been enabled to examine it through the kindness of Prof. Mitsukuri. Loc.—Tokyo (collected by Mr. Wada of the Central Meteorological Observatory, within its compound). After the foregoing part of this paper had been written we received from Dr. Horst of Leyden a copy of his paper f entitled, " On Perichœta Sieboldi Horst," in which the author makes some remarks on the species which we provisionally identified with the species first described by him from Japan. We are very glad that our Dutch friend has taken the trouble of reexamining his type specimen, and are much indebt- ed for his courtesy in sending us his paper. We must also acknowledge his kindness in pointing out some misprints that have crept into our table ; and we beg those who have our first paper to cor
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