

EXPLANATION OF PLATE XL-IT. 



Eunice bassensis, M'Intosh. 

 Fig. 75. The upper jawlets disarticulated ( < 20). 



Fig. 76. The " fangs " or basal members of the upper 

 series of jawlets (x 20). 



Fig. 77. The left lower jaw, upper surface ( x 20). 



Fig. 78. The twelfth parapodium from a much contracted 

 specimen, showing the stouter form of the dorsal 

 cirrus and the shortened gill filaments, as compared 

 with Fig. 70. 



Eunice pycnobranchiata, M'Intosh. 



Fig. 79. The eleventh parapodium (x20) ; the gill shows 

 the characteristically thickened filaments ; the 

 chaetse are diagrammatically indicated. 



Fig. 80. Side view of the head ( x 4), to show the deep 

 incision between the lower and the lateral lips ; 

 the upper edge of the former is somewhat everted, 

 so as to be visible from above. 



Lumbriconereis gulielmi, sp. nov. 

 Fig. 81. The head, dorsal view (x 4). 

 Fig. 82. The head, ventral view ( x 4). 

 Fig. 83. The head, side view (x 4). 

 Fig. 84. The 55th parapodium (>< 20). 

 Fig. 85. The 125th parapodium (> 20). 



Fig. 86. The 29th parapodium ( > 20) ; blood vessels are 

 indicated in the anterior lip. 



Fig. 87. The 29th parapodium of another individual ( X 20), 

 in which the large posterior lip has been pressed 

 upwards by contact with the tube in which it had 

 been preserved. Chsetse omitted. 



Fig. 88. The upper jawlets (enlarged), drawn in situ from 

 above. The left " fang " is omitted, 



