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PLATE XII. 



PAGE 



/ Fig. 1. Homaoanthtjs gibbosus. Side view — natural size 113 w" 



Fig. 2. Leptaoanthus? oooidentalis 116 



Fig. 3. Obaoanthus pnigeus 117 



Fig. 4. Ctenaoanthus angttlatus 118 



4 a. Side and posterior faces — natural size. 



Fig. 5. Ctenaoanthus? co-status 120 



Fig. 6. Homaoanthtjs? beottjs. Side view — natural size 115 a 



Fig. 7. Dbepanaoanthtjs ? stellatus 125 



Fig. 8. Dbepanaoanthus anoeps 122 



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,v, 



