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ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 1 1 



PLATE 92 



Fig. 183. Sphincterella osculani{/rra, new species, enlarged to show 



the black sieve net over an oscule. 

 Fig. 184. Sphincterella osculanujera, new species, calthrops— one a 



triradiate and one with a reduced fourth ray. x 50. 



