PLATE s 



Coccosteiis canadensis Woodward 

 Upper Devonic; Scaumenac Baj^, Quebec, Canada 



Fig. I. Plates in matrix, X ^, p. 27. ASG, left antero-superognathal, in inner 

 view; A VL, left antero-ventrolateral, outer \-iew. (Posterior half is lacking.) L, 

 lower arm of lateral, inner view; Mtid, impression of mandible, lacking anterior 

 extremity; FSG, lef t postero-superognathal, inner view; SO, left suborbital, inner 

 view. E 2374. 



Fig. 2. Postero-superognathal, shown in figure i, natural size. 



Fig. 3. Antero-superognathal, shown in figure i, natural size. It shows the 

 functional region well and the articulating process. 



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