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charge of them gradually converge, and at the same time 
splash the water. In this way the fish are driven into the 
enclosure, and if they try to escape they get caught by the 
gills in the meshes of the Pachchi valai. 
Not the same net as the Arakkuddi valai of Maiuiar. 
This net is prohibited in certain portions of the Jaffna 
lagoon and of the sea between Jaffna and Mannar under the 
Proclamation of April 12, 1907. (See also Government Gazette 
of December 17, 1909.) 
S.^Seraku valai (or Kurukku valai) (Tamil). 
Locality : Jaffna lagoon. 
Description : A stake net having a complicated arrangement 
(see Fig. 3) 
Fis. 3. — ^Kurukku valai. 
Dimensions : The " maze " portion of the net varies in 
length ; length of central straight net, 75 fathoms. 
All the nets are 4 feet high ; mesh, | inch. 
