ILLUSTRATIONS 



Figure Papce 



1. Fucus, a brown seaweed 368 



2. Calcareous algae of the Lithothamnion group 368 



3. The 5-rayed starfish Asterias amurensis 373 



4. Twenty-rayed starfish, Pycnopodia helianthoides 374 



5. Green sea urchin Strongylocentrotus drobachiensis 375 



6. Rock barnacles, Balanus sp 376 



7. Two species of barnacles 377 



8. Parasitic amphipod P a/racy amus boopis 378 



9. Common crab, Cancer magister 380 



10. King crab, Paralithodes sp 380 



11. Mussels, Mytilus edulis 382 



12. Limpets, Acmaea sp 384 



13. Periwinkles, Littorina sp 385 



14. Fresh-water pool, type 1 (small and clear) 387 



15. Fresh-water pool, type 2 (small and weedy) 388 



16. Fresh-water pool, type 3 (large and barren) 389 



17. Alaska cod, Gadus macrocephalus 396 



18. Red sculpin, Hemilepidotus hemilepidotus 397 



19. Irish lord, Hemilepidotus jordani 398 



20. Halibut, Hippoglossus stenolepis 399 



21. Pogie, Lebius superciliosus 400 



22. Pink salmon, Oncorhynchus gorbuscha 401 



23. Native boy netting sockeye salmon 402 



24. Red or sockeye salmon, Oncorhynchus nerka 402 



25. Atka mackerel, Pleurogrammus monopterygius 403 



26. Silver hake, Tneragra chalcogramma 404 



XII 



