EXPLANATION OF PLATE XXIII. 



Nereis glandicincta, sp. nov. 



Fig. ÇA. — Anterior end, dorsal view. X 17. 

 „ gB. — Everted proboscis, ventral view. X 17. 

 „ 9c— Papilla, with paragnath, from Group VI. X 100. 

 „ 9D. — Jaw. X 26. 



,, 9E. — ist right foot, front view. X 56. 

 „ 9F. — 10th right foot, front view. X 56. 

 ,, 9G. — 50th right foot, front view, x 56. 

 ,, 9H. — 100th right foot, front view. X 56. 

 ,, 9J. — Homogomph seta with long finely serrated terminal piece, from the 



dorsal division of the 10th foot, x 560. 

 ,, 9K. — Hemigomph seta with shorter, more coarsely serrated terminal piece 



from the ventral division of the 10th foot. X 560. 

 ,, gi,. -^-Hemigomph seta with falcate terminal piece, from the lower part of 



the ventral division of the 20th foot. X 560. 



« 



Nereis (Perinereis) marjorii, sp. nov. 



Fig. ioa. — Anterior end, dorsal view. X 12. 

 IOB. — Anterior end, ventral view. X 12. 

 ioc. — ist left foot, posterior view. X 56. 

 10D. — 10th left foot, posterior view. X 56. 

 10E. — 50th left foot, front view. X 56. 

 10F. — 70th right foot, front view. X 56. 



10G. — Heterogomph seta with falcate terminal piece, from the 10th foot 

 X 560. 



