X ILLUSTRATIONS 



PLATE PAGE 



eus riibescens^ Carinella frenata^ Tetrastetnma nig'ri- 



Jrons 206 



XVI. Tceniosoma punnetti^ Carinella albocincta^ Tetra- 



stemma nigrifrons^ Linens ivilsoni 208 



XVII. Tetrastemma nigrifrons^ Linens albolineatns^ L. Jla- 

 vescens^ L. fictifrons^ Alicriira tiigrirostris^ Cerc- 



bratulus albifrons 210 



XVIII. Paranetnertes calif ornica, Tceniosoma punnetti 212 



XIX. Carcinonemertes epialti 214 



XX. Amphiporus cruentatus^ Tetrastemma reticulatzim^ 

 T. quadrilineatum^ T. nigrifrons^ Nemertopsis gra- 

 cilis^ Paranemertes peregrina 216 



XXI. Paranemertes californica^ Tetrastemma signifer^ T. 



bilineatufn, T. nigrifrons 218 



XXII. Litzeiis rubescens^ Carinella frenata^ Tetrastemma bi- 



lineatum 220 



XXIII-XXV. Alaska Bryozoa 244-24S 



TEXT FIGURES 



FIGURE 



I, 2. Carinoma griffini (= C mutabilis) 21 



3 . Emplectonema gracile 24 



4. Emplectonema biirgeri 26 



5 . Zygonemertes thalassina 29 



6. Zygonemertes albida 31 



7. Paranemertes peregrina 34 



8, 9. Paranemertes carnea 38 



10. Amphiportis angulatus 41 



1 1 . Ajnphiporus bimaculatus 45 



12. Amphiporus nebulosus 49 



1 3 . Amphiporus leuciodus ( = ^ . imparispinosus') 52 



1 4 . Arnphiporus exilis (^= A. formidabilis) 54 



15. Tetrastemma aberrans 58 



16. Lineus viridis 65 



1 7. Carinella frenata 133 



18. Carcinonemertes epialti 153 



19. Amphiporus cruentatus 155 



20. Tetrastemma signifer 156 



2 1 . Tetrastemma ( Oerstedia ) reticulatum 170 



22, 23. Zygeupolia littoralis 178 



