"'^lbatross'Tropical Pacific Ex. i899-i900 



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32 33 



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COLOBOCENTROTUS Pl^.TE 11. 



29 28 



3C 



34- 35 36 



12 



1 » 



/ 



13 



37 38 39 



r 



10 



41 



42 



14 



B 



if 



10 



43 



16 



n 



44 45 



17 



% 



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A.M.V/eHergrendel. 



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