X ILLUSTRATIONS 



PLATE PAGE 



eus rubescens, Carinella frenata, Tetrastemma nigri- 



frons 206 



XVI. Tceniosoma punnetti, Carinella albocincta, Tetra- 

 stemma nigrifrons, Linens ivilsoni 208 



XVII. Tetrastemma nigrifrons, Lineus albolineatus, L. jla- 

 uescens, L. pictifrons, Micrura nigrirostris, Cere- 



bratulus albifrons 210 



XVIII. Paranemertes calif ornica, Tcenioso?na punnetti 212 



XIX. Carcinonemertes epialti 214 



XX. Amphiporus cruentatus, Tetrastemma reticulatum, 

 T. quadrilineatum, T. nigrifrons, Nemertopsis gra- 



cilis, Paranemertes peregrina 216 



XXI. Paranemertes calif ornica, Tetrastemma signifer, T. 



bilineatum, T. nigrifrons 218 



XXII. Lineus rubescens, Carinella frenata, Tetrastemma bi- 



lineatum 220 



XXIII-XXV. Alaska Bryozoa 244-248 



TEXT FIGURES 

 FIGURE 



i, 2. Carinoma grijfflni (= C. mutabilis} 21 



3. Emplectonema gracile 24 



4. Emplectonema burger i 26 



5. Zygonemertes thalassina 29 



6. Zygonemertes albida 31 



7. Paranemertes peregrina 34 



8, 9. Paranemertes carnea 38 



10. Amphiporus angulatus 41 



1 1 . Amphiporus bimaculatus 45 



12. Amphiporus nebulosus 49 



13. Amphiporus leuciodus ( = A. imparispinosus} 52 



14. Amphiporus exilis ( = A. formidabilis*} 54 



15. Tetrastemma aberrans 58 



16. Lineus viridis 65 



17. Car in ell a fre nata 133 



18. Carcinonemertes epialti 153 



19. Amphiporus cruentatus 155 



20. Tetrastemma signifer 156 



2 1 . Tetrastemma ( Oerstedia ) reticulatum 1 70 



22, 23. Zygeupolia littoralis 178 



