192 
PROCEEDINGS OF THE NATURAL [APRIL,’89. 
Mineralogy, making use of glass models and designs to 
illustrate different points of the subject. Mr. Fisher <*ave 
a brief resume of the history of mineralogy up to"the 
present day, touching on the leading attainments of each 
epoch. He gave an outline of the field covered bv the 
mineralogist, and explained some of the fundamental 
chrvstaHographiea 1 and chemical principles involved i 
the study of minerals. 
m 
December 17, 188S. 
President Meinecke in the chair. 
logical r ,, q ^ ai f r reaC * a P a P er 011 his own recent archeo- 
deSlL ;l eS ln the State ° f ° hio ’ verv full 
—T f ma ° 7caves and -o»nd. visited and the 
delivered “ d re ™ alns '“■'■ineti. Mr. W. M. Wheeler then 
Mr Wheelo 'u 011 'went facts in cell division. 
Zi,of til , tT r a f d °° the “Aboard the itarvok- 
P„ “ ,ls » f “ salamander according ,0 
^ZtolLT' k f"-.vokinesis of a ,i, v eel! „c- 
of resemblance betWM^lXwo d .° Ut the s 0 '”' 4 P 0 ' 11 ** 
and brief! v o- nv ~ ^ isionm animals and plants, 
cytological research has attuned^ 00 S * which modern 
»ous!y electedmetb^ofrte^o^eTv hab ^ ^ 
