PLATE XV 



FIG. I. Nemertopsis gracilis sp. nov. Pacific Grove, Calif. Enlarged three 

 and one-half times. 



2. Paranemertes californica sp. nov. San Diego, Calif. Natural size. 



3. Lineus rubescens sp. nov. Head of bright red variety with few ocelli. 



Monterey, Calif. Enlarged ten times. Compare fig. i, pi. xiv. 



4. L. rubescens. Head of pale, pinkish variety, with regularly arranged 



ocelli. San Pedro, Calif. Enlarged eight times. 



5. Carinella frenata sp. nov. Mature female. The rosy color of dorsal 



surface in intestinal region is largely due to color of ova. San Pedro, 

 Calif. Natural size. 



6. C. frenata. Anterior portion of body after preservation in formalin. 



The body is strongly contracted, and shows the dark color which ap- 

 pears on body back of the third black ring after preservation. San 

 Pedro, Calif. Twice enlarged. 



7. Tctrastemma nigrifrons sp. nov. Variety pallidum. Monterey, Calif. 



Enlarged five times. Compare figs. 6-9, pi. xvi, and fig. i, pi. xvn. 



(206) 



