IMMENSE CLAWS of some crabs seem 

 all out of proportion to the size of the 

 animal. This oxystome crab, from the 

 Gulf of California, is Randallia ameri- 

 cana, a female. 



PROTECTIVE armament of many members 

 of the cancer family often develops fantastic 

 forms. The creature below is a Keep crab, 

 Pugettea dalli, from the coast of California. 



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