590 REPORT OF COMMISSIONER OF FISH AND FISHERIES. 



which had interfered with the spawning, and partly because some 

 of these orders came too late. The arrangements for raising fish were 

 unfortunately very poor; the ponds were badly located and soon became 

 marshy ; there were no shade-trees, and the supply of fresh running water 

 was insufficient. Attempts had also beeu made in the beginning to breed 

 a great variety of fish, while at present only salmon are raised, and 

 the arrangements have beeu much improved. The rearing of fish in 

 several lakes which the government has given to the institution has 

 been much more successful. 



In the Waller Lake, 19,000 young Ehine salmon were placed in 1S69> 

 and, so far as it is known, they are in a flourishing condition. 



Last year, a new hatching-house for 300,000 eggs was built on the 

 shore of the Hinter Lake. 



On the headwaters of the Waller Lake, simple breeding-apparatus 

 has been placed, so as to enable the stocking of all the streams with 

 young fish from the lakes. 



There is a constant improvement from year to year in the growth of 

 the embryo business and in the stocking of the rented lakes. 



During the season 1870-'71, the total number of impregnated eggs 

 was 1,157,000, of which 575,000 were sold, while the rest were either 

 hatched in the establishment or placed in the lakes. For two years, a 

 considerable number of fish have been sold as food from the estab- 

 lishment at Hellbrunn ; during the last year, many defects of the origi- 

 nal plan were remedied and many new improvements were introduced. 



The central establishment has recently begun to obtain impregnated 

 eggs of brook-trout from the fishers on the rivers Vokla and Ager ; of 

 the Salmo hucho from the river Salzach, as well as from the streams of 

 Upper Austria ; spawn of the lake-salmon, of the Salmo salvelinus, and of 

 the Coregonns Wartmanni from the Matt, Mond, Fuschl, Wolfganger, and 

 Atter Lakes ; and to ship them at the proper time. 



In Upper Austria, fish-culture has been carried on for some time 

 by the convent-chapter of Kremsmiiuster, which annually places 20,000 

 to 40,000 young trout hatched in the establishment, into the Aim Lake, 

 as soon as the umbilical bag has disappeared, (usually in February,) 

 so that a considerable increase in the number of fish in this lake can 

 already be noticed. Salmo salvelinus is raised in the lake itself. The fish- 

 ponds belonging to the chapter have been famous from time immemorial 

 for their great wealth of fine fish. Some of the small landed proprietors, 

 such as Bettenbaeher at Sulzbach near Ischl, Kottlat Neukirchen near 

 zipf, Schedl in Fischelham, and the Ischl Piscicultural Society, have, 

 with comparatively small means,founded establishments which to some 

 extent have proved a pecuniary success, thus furnishing another proof 

 that this branch of industry is suitable for private individuals of limited 

 means. Special mention must be made of Franz Rettenbacher, a miner, 

 who on his little piece of ground at Sulzbach near Ischl, has for some 

 years, without any assistance whatever, but with great enthusiasm, car- 



