156 



MADRAS FISHERIES BULLETIN 



[VOL. XVI, 



Manappad Pars, will require several circles to cover them, whereas 

 in the case of the smaller pars several will frequently have to be 

 grouped within one circle. In the latter case, the circle for con- 

 venience may take the name of the largest or most important of 

 the included pars ; in the former from its compass bearing. For 

 example the four divisions of the Tolayiram Par may be denomi- 

 nated respectively the north, the central, the south, and the south- 

 west sections, while the circle including the Karai Karuwal and the 

 Velangu Karuwal Pars may be termed simply the Karuwal section 

 or circle. 



During examination the inspection vessel should moor as near 

 the centre of each section as possible, and if to one side, modify 

 the outer boat circuits to suit this as shown in the accompanying 

 diagram. 



The black circle is the outline of the Pearl Bank section to be examined — 

 (a) The ship's position. (rf) A | mile semi-circuit. 



(5) The I mile circuit. (e) A I mile semi circuit. 



(c) The ', mile circuit. 



With good landmarks, reliable compass, and painstaking 

 endeavour, it should not be difficult to anchor with approximate 

 accuracy upon the centre of each section. 



The banks of superior value lie from south of Vembar to off 

 Manappad, the Devi Par being the most northerly, the Manapad 

 group marking the most southerly limit. 



Charts C and D * show the inspection sections which I propose. 

 They are based upon the Pearl Bank chart at present in use and 

 which in turn is based upon the Admiralty Chart of this part of 

 the coast. 



Omitted in the present report. 



