HORNELL MARINE RESOURCES 



11 



NORTHERN COAST. As already noticed, the shore of Okhamandal washed by 

 the Gulf of Kutch is much more varied in physical and faunistic characters than 

 is the western or ocean coast. According to the different physical features of the 

 littoral, we may conveniently treat the various sections under heads, as follows : 



(a) Adatra coast facing Beyt Island, 



(6) The steep western and southern shores of Beyt Island, 



(c) The rocky islets in Beyt Harbour. 



(d) Aramra and Kiu shores, 



(e) Balapur and Rann Bays, 



(/) Flat-surfaced reefs submerged at high tide Chindi, Hauuman Dandi, 

 Mangunda, Borio, &c. 



FIG. 3. Types of Porites coral growth, Adatra littoral. 



(a) Adatra. This locality is that part of the Okha peninsula north of Aramra 

 Creek. It is a low-lying tableland of gritty coral limestone. From a point opposite 

 the town of Beyt and thence southwards towards Aramra Creek, the eastern side 

 is fringed with an extensive stretch of reef-like littoral gradually sloping to extreme 

 low-water mark. The tide-race through the narrow channel of Beyt Harbour furnishes 

 ample supply of food particles, and as this end of the harbour is kept free from mud 



