Hatch's unfinished edition with appendices of the Characteristics (1870); J.

The appendices to this work (which is in six volumes) contain, with much other matter of great value, full historical notes of arbitrations between other powers.

Modern German versions are by Simrock (very close to the original) and Hertz (freer, but with excellent notes and appendices); Eng.

1908), with appendices giving many unpublished documents; J.

This Tentamen, containing his complete method of classifying birds in general, naturally received much attention, the more so perhaps, since, with its appendices, it was nearly the last labour of its respected author, whose industrious life came to an end in the course of the following year.