NATURE, June 25, 1885 
Fic. 1.—‘)WELVE MATHEMATICIANS. 
Ls seca a 
KiG. 3e—'THIRTY-ONE ACADEMICIANS. 
COMPOSITE PORTRAITS 
[Ear ets 
Kic. 4.— "TWENTY-SIX FIELD-GEOLOGISTS, TOPOGRAPHERS, ETC. 
OF AMERICAN SCIENTIFIC MEN. 
