70 



printed at that period, with appropriate and apt illustra- 

 tions. 



He then spoke of wood engraving, the kind of wood 

 used, the manner of preparing the same, the peculiar 

 tools, etc. ; also the process of electrotyping, which is 

 now so universally adopted. Copper plate and steel 

 engraving were next described ; then the process of litho- 

 graphy ; and he alluded briefly in conclusion to the heli- 

 otype, albertype and woodburytype. Mr. Morse stated 

 that he would like to speak more fully at some future 

 meeting on the last named processes of illustration. He 

 exhibited several striking specimens of the various styles, 

 and illustrated his remarks by sketches on the black- 

 board. 



Vice President F. W. Putnam thought that perhaps 

 the printing by uncivilized races, by the use of hand 

 stamps for the impression of designs in color upon various 

 materials, especially the several kinds of "cloth" made 

 from wood-fibre, really involved all the principles of the 

 arts of engraving and printing, alid, like many other 

 things common in our daily life, proved that the prin- 

 ciples involved were discovered or gradually developed 

 under various circumstances and in various ways by the 

 wants and desires of man, showing a uniform working 

 of the human intellect, though of course modified by sur- 

 rounding conditions. 



A brief discussion followed, participated in by Messrs. 

 G. A. Perkins, F. W. Putnam, E. S. Morse and others. 



Mr. F. W. PUTNAM exhibited a photograph of a skull 

 received from the Davenport Academy of Natural Sci- 

 ences, as that of a Moundbuilder. The description 



