POLYCHiETA—BENHAM. 
121 
Lumbriconereis macquariensis (figs. 76-81). 
Fig. 76. Head, ventral view (enlarged). 
77. The 8th parapod (camera, X 90). 
78. A posterior parapod ( X 90). 
79. The only articulated hook which was found (x 360); it occurred in an anterior 
parapod. 
80. The usual form of hook, taken from the 25th parapod ( X 360), as seen from 
the side and from in front, showing the denticulated lower portion of the 
hood. 
81. A capilliform choeta from 8th foot ( X 250). 
Splicerodorum spissum (figs. 82-84). 
Fig. 82. Entire animal drawn from the unstained cleared specimen (camera, X 20). 
83. Anterior end of the same ( x 70) camera outline. The prepharyngeal region 
is shown in surface view, except the eye vesicles (?), but the pharynx is at 
a deeper level ; the dark patches in front of it are glands; the bundles of 
chsetse lie really below the rest, on the ventral surface. 
84. The posterior end ( x 70), surface view. 
Plate 9. 
Sphcerodorum spissum (figs. 85-89). 
Fig. 85. Portion of the surface of the stained specimen ( X 35), showing the ventral 
surface and a portion of the animal’s right side. The outline is drawn under 
the camera, but details are filled in from various parts of the surface. 
86. A portion of the margin of the same preparation ( X 45), showing the absence 
of any definite alternation in size of the papilke. 
87. A papilla (magnified; freehand). 
88. A parapod (magnified; freehand), seen from below. Note the thickness of 
the cuticle. 
89. A clueta (magnified; freehand). 
Arid a marqinata var. mcleani (fig. 90). 
Fig. 90. One of the anterior neuropods with the additional series of spines behind and 
below the third row. 
Scoloplos mates mi (figs. 91-94). 
Fig. 91. The parapod from the 7th segment ( x 45). 
92. Parapod from the 24th ( X 45). 
93. From the 32nd ( X 45). 
94. From the 53rd segment ( X 45). 
*83892—Q 
