ms. Roy. Soc. Edin* Vol. XLVIIL. 
; 
' 
KIDSTON AND GWYNNE-V AUGHAN.—PLATE IV. 
2 
a e. 
Sse ‘ 
eedees 
oa 
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M‘Forlane & Erskine, Lith., Edin., 
STENOMYELON TuEDIANuM, Kidston. 
