CASE— COTYLOSAURIA 



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1. Upper view of skull of Diadectes sp. X %. No. 4352 Am. Mus. 



2. Lower jaw of /?. phaseolinus. X %. No. 4684 Am. Mus. 



3. Seven dorsal and sacral vertebra of Diadectes. sp. showing hyposphene 



and hypantrum articulation. X 3 /m. No. 4354 Am. Mus. 



