Johnson. — Polychaeta. 
PLATE 10. 
Fig. 101. Posterior aspect of foot of Glycera rugosa , from middle of body 
showing 6-lobed gill, and dorsal cirrus (d. c.) seen by transparency 
through uppermost lobe of gill (the tip of which has been cut off). 
The minute ova have entered the gills, v. c. Ventral cirrus. X 23.5. 
Fig. 102. Jaw and jaw-appendage (ap.) of the same. X 13. 
Fig. 103. Posterior aspect of foot of Glycera nana. Dorsal cirrus is not 
shown, v. c. Ventral cirrus. X 23. 
Fig. 103a. Jaw-appendage of the same. X 40. 
Fig. 104. Posterior aspect of a foot from middle of series of He m ipodia borealis. 
Setae are all compound, and several are almost entirely withdrawn 
within the foot. The single acicula is indicated by dotted lines. 
d. c. Dorsal cirrus, v. c. Ventral cirrus. X 75. 
Fig. 104a. Jaw-appendage of the same. The attached end is somewhat ex¬ 
panded. X 75. 
Figs. 105-110. Scoloplos elongata. 
Fig. 105. Anterior extremity, dorsal aspect, pp. Palpode. X 13. 
Fig. 106. Anterior extremity, ventral aspect, with proboscis everted, showing 
foliaceous expansions. X 13. 
Fig. 107. Profile of seventeenth foot, anterior aspect. X 23.5. 
Fig. 108. Vertical section of foot from middle of length, showing the dorsally- 
directed parts, hr. Gill. X 52.5. 
Fig. 109. Portion of one of the deeply-serrated, anterior setae. X 340. 
Fig. 110. Portion of a ventral seta. X 340. 
Fig. 111. Anterior extremity of Aricideopsis megalops. X 39. 
Fig. 112. The same. Foot from posterior portion, x 39. 
