Warp. — Nectonema. 
Fig. 96. 
Fig. 97. 
Fig. 98. 
Fig. 99. 
Fig. 100. 
Fig. 101. 
Fig. 102. 
PLATE VIII. 
Transverse section from posterior region of body of male. The dorsal 
margin is somewhat broken. Bismarck brown. 3. A. > 126. 
Longitudinal section of ventral nerve cord near the front end of the anal 
ganglion. Bohmer’s hematoxylin. 1.C. X 180. 
Dorsal cell viewed as a transparent object in clove oil, The left half of 
the cell is occupied by a large vacuole. 2.D. > 2U0. 
Transverse section through dorsal cells and brain. The section is oblique 
enough to pass through the process of the first cell on the left, and of 
the second cell on the right. Mayer’s HClcarmine. 2.D. X 290. 
Termination of process of right dorsal cell in Fig. 99 found 20 uw farther 
posteriad. Mayer’s HCl carmine. Apochr.4 mm. Compens. Oc. 4. 
x 360. 
Transverse section of ventral line with ventral nerve cord. Ehrlich’s 
hematoxylin and eosin. Apochr.4 mm. Compens. Oc. 4. X 250. 
Transverse section of dorsal line. Ehrlich’s hematoxylin and eosin. 
Apochr. 4mm. Compens. Oc. 4. X 250. 
