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Show 206 THE STRUCTURE AND ARRANGEMENT OF EARTHWORMS. [Mar. 5, pairs. Spermathecal pores corresponding to interval between ventral and dorsal setae. Spermathecae with paired diverticula, which are multifid. Penial setae with wavy ridges round distal end. Hab. Darjiling. Typhoeus masoni. T. masoni Bourne, J. A. S. B. lviii. p. 112. Length 146 m m . Genital papillae paired between xv./xvii., xviii./xx., corresponding to ventral setae. Setae closer in ventral pairs; posteriorly lateral setae get wider apart. Spermathecal pores correspond to interval between ventral and lateral setae. Spermathecae with two diverticula bifid or trifid. Penial setae both smooth aud with distal chevron-shaped striae. Hab. Dehra Dun. Typhoeus lsevis. T. Icevis Eosa, Ann. Mus. Civ. Genova, (2) ix. p. 388. T. Icevis Eosa, Ann. k. k. Hofmus. Wien, vi. p. 388. Length 35 m m . Papillae paired upon xvii. and xviii. Setae of lateral pairs farther apart than those of ventral. Hab. Burmah and Ceylon. Typhoeus foveatus. T.foveatus Eosa, Ann. Mus. Civ. Genova, (2) ix. p. 382. Length 180 m m . No genital papillae (?). Setae of lateral pair farther apart than those of ventral. Spermathecal pores corresponding to ventral setae. Spermathecae with two simple diverticula. Penial setae with minute points at end. Hab. Eangoon. Typhoeus nicholsoni, n. sp. Length 135 m m . Genital papillae one pair on xvi. Setae of ventral pair closer than those of lateral ; the latter a trifle wider apart posteriorly. Spermathecal pores correspond to ventral setae. Spermathecae with paired diverticula which are trifid. Penial setae with very faint ornamentation. Hab. Neighbourhood of Calcutta. Typhoeus incommodus, n. sp. Length 93 m m . Papillae paired upon xiii-xvi. behind ventral setae. Setae of lateral pairs farther apart than those of ventral, posteriorly considerably farther apart. Spermathecal pores between pairs of setae. Spermathecae with a ring of many diverticula. Two pairs of sperm-sacs in ix. and xii. Penial setae with a few faint ridges. Hab. Neighbourhood of Calcutta. |