674 REPORT OF COMMISSIONER OF FISH AND FISHERIES. 



Magdeburg, &c., however, not before four or five weeks. All this time 

 the greatest attention is necessary. The journey to and through Berlin 

 is dangerous on account of the water being either too low or too high, 

 and, besides, every evening the whole transport has to be carefully ex- 

 amined and every single sick or dead fish to be removed ; and it occa- 

 sionally happens that some Drobel go to pieces. 



These astonishing results of the natural fish-breeding are the more to 

 be appreciated the more laboriously they are obtained (the manager 

 of the Peitz pond, for instance, spends about 100,000 marks), yet Lusa- 

 tia shows still better results from the ponds devoted to the raising of 

 goldfish. Most interesting are those obtained by Mr. Eckart in Liibin- 

 chen, the well-known breeder of the great Madile-mardne. His splendidly 

 watered ponds, at present celebrated for the lacustrine pile-dwellings 

 found there, contain in all their brilliancy the goldfish and Orfe, the 

 trout and Elritze, the leather-carp and Mardne; and when now the Ameri- 

 cans are enabled to breed the most valuable of all Mardnes, the Mardne 

 of the Madiie Lake, it is the merit of Mr. Eckart, who was the first to 

 send embryonized Mardne eggs across the Atlantic Ocean. Constant 

 study and continued experiments were necessary for his eminent suc- 

 cess, and if we want to stock our rivers, lakes, ponds, or aquaria with 

 numerous and different species of fish we will have to work incessantly, 

 for the conditions most favorable to the several species have in great 

 part 3'«t to ha found out. 



