EXPLANATION OF PLATE XIX. 



Ancistrosyllis constricta, sp. nov. 



Fig. ia. — Anterior end, dorsal view. X 40. 

 ib. — ist right foot, x 100. 

 ic. —2nd right foot. Setae not shown. X 100. 

 id. — 40th right foot. X 100. 



IK. — Part of dorsal lobe of 80th right foot, posterior view. X 330. 

 if. — Anterior short seta from ist foot. X 560. 

 IG. — Intermediate type of seta from 4th foot. X 560. 



Lycastis indica, sp. nov. 



Fig. 2A. — Anterior end, dorsal view, x 40. 

 ,, 2B. — ist right foot, anterior view, x 140. 

 ,, 2C. — 10th right foot, anterior view. X 56. 

 „ 2D. — 70th foot. X 100. 



,, 2E. — 100th right foot, posterior view. Setae not shown. X 100. 

 ,, 2F. — Falcate heterogomph seta from upper part of 50th foot. X 560. 

 ,, 2G. — Hemigomph seta with long finely serrated tip, from upper part of 10th 



foot. X 560. 

 ,, 2H. — FTeterogomph seta with long coarsely serrated tip, from middle of 



10th foot. X 560. 

 ,, 2j. — Tip of shaft of hemigomph seta from dorsal division of 10th foot. 



Specimen from Cochin Backwater, x 560. 



Tylonereis fauveli, sp. nov. 



Fig. 3A. — Anterior end, dorsal view, x 30. 

 3B. — Posterior end, dorsal view, x 27. 

 3c. — ist right foot, anterior view. X 56. 

 3D. — 7th right foot, anterior view. X 56. 

 3E. — 30th right foot, anterior view, x 56. 

 3F. — Tip of dorsal aciculum and gland, in 30th foot. X 330. 

 3G. — 70th right foot, anterior view. X 56. 

 3H. — 150th foot. X 56. 

 3J. — Seta from dorsal division of 30th foot, front view. X 560. 



