HEIDELBERG

JULIUS OBOOS.

KF^sof

IuniversityI Wjbrarw

The method of Gatpey-Otto-Sauer is zny own private property, haying been aoqnlred by pnrcliase from the anthors. The text-books znade after this meihod are incessantly improyecL AU rights, espeoially ihe right of znaking new editionsy and the rlght of translatioii for ail languages, are reierved. Imitationi and frandnlent impressions wlll be proseonted according to law. I am thankfnl for communications relating to thèse matters.

Heidélberfr, JuUus Groos.