183 
nace, illustrated by the Microscope.” [This paper was 
afterwards read at the ordinary meeting of the Society, held 
April 2nd, 1867. See page 143.] 
Mr. C. Bailey exhibited the curious fruits of Pawlownia 
imperialis, really a native of Japan, but found wild in the 
woods near New York. Mr. Bailey presented a specimen 
slide to the Section. 
Mr. Watson read a paper entitled “ Further Remarks on 
the Plumules or Battledore Scales of some of the Lepidop- 
tera, with illustrations by Mr. Sidebotham.” 
April 22nd, 1867. 
Arthur G. Latham, Esq., President of the Section, in the 
Chair. 
Mr. Sidebotham exhibited and described specimens of 
coal ash from the furnace flues of the Strines Printing Com- 
pany, to which his attention had been drawn by Mr. Dan- 
cer’s paper. 
They consisted in a great part of spherical bodies almost 
exactly simulating “shot and shell” on a small scale, the 
aperture for charging the shell bearing a singular resem- 
blance to that in real shell ; some of the “ shot ” were 
almost the size of dust shot. He stated that many cwt. 
were annually carted away from these flues, and suggested 
that a small iron mine had been discovered. 
Although under examination by the microscope these 
bodies reflected distant objects very perfectly, especially 
when slightly above the focus, their surfaces were much 
corrugated, and the high polish they apparently possessed 
