EXPLANATION OF PLATE IX. 
POLYDOKA IIAMATA )i. Sp. 
Page 251. 
Fig. 117. Loug seta of posterior segments, X 450. 
Fig. 118. Anal plates, X 35. 
POLYDORA C^CA H. 8p. 
Page 262. 
Fig. 119. Long dorsfil seta, X 450. 
Fig. 120. Short dorsal seta, X 450. 
Fig. 121. Setae of 5th segment, X 280. 
Fig. 122. Bidentate ventral seta, X 450. 
Aricia rubra n. sp. 
Page 253. 
Fig. 123. Anterior ventral setae, X 450. 
Fig. 124. Long ventral seta, X 450. 
Fig. 125. Transverse section of anterior segment, X 20. 
Fig. 126. Transverse section of posterioi- segment, X 20. 
Aricidea pragilis a. sp. 
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Fig. 127. Head and anterior segments, X 40. 
Fig. 128. Transverse section of anterior segment, magnified. 
Fig. 129. Transverse section of posterior branchiated segment, mag- 
nified. 
Fig. 130. Transverse section of non-branchiated segment, magnified. 
Fig. 131. Dorsal seta, x 450. 
Fig. 132, a, b. Ventral setae, X 450. 
Sabellaria varians n. sp. 
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Fig. 133. Opercular seta of outer series, X 70. 
Fig. 134. Opercular seta of middle series, X 70. 
Fig. 135. Opercular seta of inner series, X 70. 
Fig. 136. Dorsal seta of 3d segment, X 230. 
