208 MOUNTAIN LIMESTONE FOSSILS. 



but it seems Dr. Fleming agrees with Prof. Phillips as to that 

 being identical with the Sanguinolaria sulcata of the latter. The 

 present species differs from the Sanguinolites sulcatus (Phill. sp.) 

 in its thin shell, short inflated form, want of the thick internal 

 cardinal ridges, the more regular sharp ribs on the sides, and 

 their uniting into large wrinkles on the anterior instead of the 

 posterior end. 



Common in the carboniferous shales of Craige near Kilmar- 

 nock ; carboniferous shales near Glasgow ; in the shaly beds of 

 Lowick, Northumberland. 



(Col. University of Cambridge.) 



