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Ss 
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MARINE BIOLOGY OF THE SUDANESE RED SEA. 
Fie. 2. 
KHOR DULAWA 
/ Lat2135 30 N 
é 
“Gh an: KHOR SHINAB 
Lat21 2IN 
REA sep INTE De IY ete seo Ae 
| Sea Mile 
Puans of two of the canal-like harbours. Notice the considerable and nearly uniform 
depths, so unexpected, seeing that the surrounding land is only 6 to 10 feet above sea- 
level. The arrow in Khor Shinab indicates the junction of gravel with coral in the 
cliff which bounds the whole Khor, 
