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PLATE XXXTY. 





Lamprogrammus illustris Garm. Page 174.' 



Fig. 1 . Outlines of the head and shoulders, showing the Lateral Canal System 



Fig. 2. Side view of the bones of the head and shoulders.- 



Fig. 3, Lateral Canal System as seen from above the head. 



Fig. 4. Disks, scales, and coverings of the Lateral System on the flanks. 



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Fig. 5. Disk of the Lateral System, enlarged. 





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Fig. 6. Subopercular gland, enlarged, seen also in fig. 2 







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