430 W KLLBUKN : FISH FAUNA OF THE LOWER COAL MEASURES. 
Before concluding this paper, I must acknowledge, with 
warmest thanks, the great obligation I am under to Dr. R. H. 
Traquair, F.R.S., &c., and Mr. A. Smith Woodward, F.G.S., &c., 
for great and kindly help in the past ; also to Mr. Magson, of 
Hollingworth, near Littleborough, for loan of specimens, &c., and 
to Mr. John Butterworth, F.R.M.S., for the "correlation of the 
coal seams " of the two districts. 
