PLATE VIII. 



FIG. SIZE - 



1. Siredon pisciformis J (large specimen). Left and part of right Shoulder-plate 



and Sternum outspread ; lower view . 3 diam. 



2. Anffiiis fragilis* (3 inches long). Shoulder-girdle and Sternum outspread; 



lower view . . .25 do. 



3. Do. part of the same . . 125 do. 



4. Do. (3 inches 10 \ lines long). Left Shoulder-plate ; outer view . 25 do. 



5. Do. (nearly adult). Shoulder-plates ; upper view 15 do. 



6. Do. (old) do. and Sternum ; lower view . 12 do. 



7. Do. (do.) Sternum ; upper view . do. 



8. Chirotes canaliculatus 3 (adult male). Shoulder-girdle and Sternum; upper 



view . . .9 do. 



9. Do. Left Shoulder-plate ; outer view do. 

 10. Do. Right do. ; inner view . do. 



1 See p. 61. 2 See pp. 97 100. s See pp. 9597. 



