On the Structure and Affinities of Palaeodiscus and Agelacrinus . JT V3 Fia. 1.—Oasfc of ValcEodiscus ferox in the Oxford Museum ; An ~ Anus. TIT. -Ajtt» Fia. 2.—Upper view of Agelacrinus cincinnaiiensis in the Oxford Museum :J, II, III, IV, F, are Ambulacra; An ^ Anus ; , flooring plates ;,y side coyering plates ; , mouth corner plate. ^^^^^^^^^^^r\ ^^^^If- ^1 H^mJ^^ |H ^^^V^J^sm flB m -yyo^^^^^O^ /\y 3 ^Bl>^ \ ®^^W^L>^ ^v/^HHH ^ T—\ )> ^aO\ ^^^^^^^v I Tkxt FiO. 1.—Ventral sTirfaco of Palaodisotis ferox reconstructed from ycvenilspecimens in tin Oxford Museum ; ,

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On the Structure and Affinities of Palaeodiscus and Agelacrinus . JT V3 Fia. 1.—Oasfc of ValcEodiscus ferox in the Oxford Museum ; An ~ Anus. TIT. -Ajtt» Fia. 2.—Upper view of Agelacrinus cincinnaiiensis in the Oxford Museum :J, II, III, IV, F, are Ambulacra; An ^ Anus ; , flooring plates ;,y side coyering plates ; , mouth corner plate. ^^^^^^^^^^^r\ ^^^^If- ^1 H^mJ^^ |H ^^^V^J^sm flB m -yyo^^^^^O^ /\y 3 ^Bl>^ \ ®^^W^L>^ ^v/^HHH ^ T—\ )> ^aO\ ^^^^^^^v I Tkxt FiO. 1.—Ventral sTirfaco of Palaodisotis ferox reconstructed from ycvenilspecimens in tin Oxford Museum ; , initijil interambulucra! piiite ;, lunbulucnil pliites; , rliomboidal pliites of interiunbulacrttl

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectproceed, bookyear1904