PLATE XVI 



Fig. I. Tceniosoma punnetti sp. nov. Caught on fishing-line bj Chinamen, 

 Monterey Bay, Calif. Somewhat less than natural size. 



2. T. funnetti. Ventral side of head. Natural size. 



3. T. punnetti. Ventral side of head when strongly contracted. Twice 



natural size. 



4. Carinella albocincta sp. nov. Body somewhat contracted. Dredged 



between San Pedro and Santa Catalina Island, Calif., in 50-ioa 

 fathoms. Nearly twice natural size. 



5. C. albocincta. Ventral side of head. Twice natural size. 



6. Tetrasiemma nt'grtfrons sp. nov. Anterior portion of body of the red- 



dish variety. Monterey, Calif. Enlarged seven times. Compare 



fig. 7, p1. XIV, fig. I, pi. XVII. 



7. T. ntgrifrons. Ventral side of head. Enlarged seven times. 



8. T. ntgrifrons. Variety bicolor. Monterey, Calif. Enlarged four 



times. Compare fig. 7, p1. xiv, fig. i, p1. xvii. 



9. T. tiigrifrons. Variety bicolor. Ventral side of head. 



10. Litieus ivilsoni sp. nov. Pacific Grove, Calif. Slightly enlarged. In 



the process of reproduction this drawing has made the body of the 

 ■worm to appear much too uneven and irregular both in outline and 

 color. 



11. L. TJvilsont. Side view of head. Twice natural size. 



(208) 



