EXPLANATION OF PLATE VII. 



Marphysa saxguinp:a Quatr. 



Page 236. 



Fig. 81. Series (c). Flead and anterior segment, X TO. 

 Fig. 82. Series (d). Head with short hiteral antennoe, X 25. 

 Fig. 83. Series (d). Head. X 35. 



Drilonereis longa n sp. 

 Page 240. 



Fig. 84. Foot from mi ldle of body, x 70. 



Fig. 85. Outline of feet from posterior third of the body, x 



Fig. 86. Posterior foot, X TO. 



Fig. 87. SetsB, X 230. 



Fig. 88. Jaw pieces, enhirged. 



Staurocephalus sociabilis n. sp 



Page 24:3. 



Figs. 89, 90, 91. Setae, X T50. 



Trophoxia arenosa n. fsp. 

 Page 245. 



Fig. 92. Transverse section of 16th segment. X 15. 



Fig. 93. Part of same segment, enhirged. 



Fig. 94. Dorsal papilla, X 130. 



Fig. 95. Dorsal seta from 16th segment, X 130. 



Fig. 96. Ventral seta from 16th segment, X 130. 



Fig. 97. Posterior ventral seta, X 130. 



