XXXVIII REPORT OF COMMISSIONER OF FISH AND FISHERIES. 
systematic treatises on fish-culture published in Europe. Among other 
special points it contains an account of the methods of hatching fish 
by means of floating boxes similar in general principle to the shad- 
hatching box of Mr. Seth Green. 
G.—SPECIAL FISH-CULTURE. 
This contains a series of reports of the specialists of the United States 
Fish Commission on their work during the season. Mr. Frank N. Clark, 
upon the white-fish; Mr. Livingston Stone, upon the salmon and rain- 
bow trout; Mr. Atkins, on the Penobscot and Schoodic salmons; on 
the propagation and distribution of shad. Also an article by Max von 
dem Borne, upon the carp. 
H.—THE OYSTER. 
This represents perhaps the most important portion of the appendix, 
containing, as it does, a reproduction of all the principal French and 
German treatises on the theory and practice of the artificial culture of 
the oyster. This is a subject to which the attention of the Fish Com- 
mission has lately been attracted, and which it hopes to develop as it 
has many other divisions of its work. By showing the present state 
of our knowledge on the subject in foreign countries, we shall be better 
able to take it up afresh in our own country. The principal papers in 
this appendix are by Professor Mébius, of Germany, and by Messrs. 
Coste, de Bon, Bouchon-Brandely, Renaud, and Hausser, of France, 
together with a report of the work done in the Netherlands in regard 
to the oyster and its cultivation. 
J.—MISCELLANEOUS. 
The appendix closes with a list of patents issued in the United States 
during 1879 and 1880, by Dr. Robert G. Dyrenforth, examiner-in-chief 
of the United States Patent Office. 
12.—_TABLES OF THE DISTRIBUTION OF FISH AND EGGS. 
In the following tables, numbered I to VIII, and which have been 
prepared by Mr. Charles W. Smiley, will be found the condensed record 
of the distribution of white-fish, California salmon, California trout, 
Penobscot salmon, Schoodie salmon, shad, and carp. Fuller details 
will be found in various papers of the appendix: In XX, Mr. Clark’s 
account of white-fish operations; in X XI, Mr. Stone’s account of Cali- 
fornia salmon operations; in XXII, Mr. Stone’s account of California 
trout operations; in XXIII, Mr. Atkins’ account of Penobscot salmon 
operations; in XXIV, Mr. Atkins’ account of Schoodic salmon opera- 
tions; in XXV, the account of shad operations. e 
