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UNDERWATER GUIDE TO MARINE LIFE 



Fig. 36. Tof. The arrow crab, Stenorhynchus, three inches long and named for its 

 long nose, moves slowly and depends on its concealing shape for protection. Bottom. 

 These strange mounds, over a foot in diameter, failed to reveal their builders when 

 the authors dug into them. They are probably biiilt by burrowing polychaete 

 worms. 



red are erected when the worm is annoyed. Eiirythoe is a west coast 

 bristle worm of pink color and snow-white bristles. 

 2. Burrowing Polychaetes. These worms have reduced parapodia and head 

 and frequently look very much like earthworms. Most of these worms 



