Show I Photographs of Mars Man Much valuable work has been done I wIth the great Lick refractor In planetary planetary plan plan- I observations At the last close approach of ot Mars 32 drawings of the I 1 planet and about 1500 photographs were obtained many of these with the theold I old aid of ot specially d dyed ed plates says Nature Nature Na Na- ture Magazine These are of great grent value In Interpreting the nature of the changes that are continually taking place on the surface of the planet |