2. Tlie apparatus employed 



For the capture of the pelagic young 

 (and eggs) of fishes two kinds of apparatus 

 have been mainly used, namely the so- 

 called pelagic net (i. e. conical net of 

 silk gauze, see Fig. 1) and more especially 

 Petersen's young -fis h trawl. On an 

 earlier occasion ^ 1 have given a detailed 

 description of the latter apparatus, so that 

 1 need only say a few words here regard- 

 ing it (see accompanying figure). 



It consists of a long net somewhat 

 narrowed behind and fastened by means 

 of ropes to ordinary otter-boards. The 

 net is made of a very close-meshed stuff 

 called "stramin" made of hemp ^. It is 

 an open net closed behind by a "stopper". 

 The opening is rectangular, the two sides 

 being kept stretched by two solid poles 

 of wood. Two ropes are made fast to 

 each pole, one above and one below, and 

 connect with the otter-boards, as is shown 

 in the figure. The net is towed by one 

 line, the two otter-boards being connected 

 with the single line by means of a crow- 

 foot 65 meters long, and both boards are 

 heaved up on to the same davit. 



This Petersen's young-fish trawl, which 

 can be made in different sizes', has proved 

 itself to be an excellent fishing-apparatus, 

 as can be seen from several of the hauls 

 entered in the tables, and has the advant- 

 age that it can be used both pelagically 

 and at the bottom, in the latter case just 

 like an ordinary otter-trawl. During use 

 the vessel steams at a rate of ca. 2 miles per 

 hour. The net is sufficiently close-meshed 

 to take most of the pelagic fish eggs; of 



' JoHS. Schmidt, "Fiskeriundersegelser ved 

 Island og- Fseraerne i Sommeren 1903", Skrifter 

 udgivne af Kommissionen for Havundersagelser 

 Nr. 1, Ejebenhavn 1904, p. 36. 

 2 The "stramin" can be obtained from "Kebenhavn's mekaniske Net- og Garnfabrik" (N. P. Utzon, 

 Kjebenhavn). 



» A model used by the "Thor" which has proved to be convenient has the following measurements; 

 Length: 720 met., circumference at opening: 720 met., at narrow end: 3-05 met. 



