206 THE STRUCTTJEE ATSTD ABEANGEMBNT OF BAETHWORMS. [Mar. 5, 



pairs. Spermathecal pores corresponding to interval between 

 ventral and dorsal setae. Spermathecae with paired diverticula, 

 which are multifid. Penial setsB with wavy ridges round distal end. 

 Hah. Darjiling. 



Typhoeus masoni. 



T. masoni Bourne, J. A. S. B. Iviii. p. 112. 



Length 146 mm. Genital papillae paired betweeu 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 and with distal chevron-shaped striae. 



Hah. Dehra Dun. 



Typhoeus Isevis. 



T. Icevis Eosa, Ann. Mus. Civ. Genova, (2) ix. p. 388. 

 T. Icevis Eosa, Ann. k. k. Hofmus. Wien, vi. p. 388. 

 Length 35 mm. Papillae paired upon xvii. and xviii. Setae of 

 lateral pairs farther apart than those of ventral. 

 Hah. Burmah and Ceylon. 



Typhoeus foveatus. 



T. foveatus Eosa, Ann. Mus. Civ. Genova, (2) ix. p. 382. 



Length 180 mm. 'No genital papillae (?). Setae of lateral pair 

 farther apart than those of ventral. Spermathecal pores coiTe- 

 sponding to ventral setae. Spermathecae with two simple diver- 

 ticula. Penial setae with minute points at end. 



Hah. Eangoon. 



Typhoeus nicholsoni, u. sp. 



Length 135 mm. Genital papillae one pair on xvi. Setae of 

 ventral pair closer than those of lateral ; the latter a trifle wider 

 apart posteriorly. Spermathecal pores cox'respond to ventral setae. 

 Spermathecae with paired diverticula which are trifid. Penial setae 

 with very faint ornamentation. 



Hah. Neighbourhood of Calcutta. 



Typhoeus incommodus, n. sp. 



Length 93 mm. Papilla? 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. Spei-mathecae with a ring of many 

 diverticula. Two pairs of sperm-sacs in ix. and xii. Penial setae 

 with a few faint ridges. 



Hah. Neighbourhood of Calcutta, 



