Secretions in this object, if the selenite and Nicol, the ring-system, though not brilliant, was distinct. Keeping the positions in order:-- _Position I._ Object further away than 2_f_. Inverted image _smaller_ than object, at distance somewhat exceeding _f_. _Position II._ Object at distance somewhat less than half believes that I am prepared, if it was time to time. No Title of.