M., and having a marked shelving bottom deepening gradually to 14 fathoms; and the portion east of the narrows, containing about 21 00 sq.
The neighbourhood is agreeable, and the Cardigan Bay shore is shelving and suitable for safe bathing.
With flat and shelving shores, the shoal-banks off the main mouths of the delta form the chief danger to shipping, and this is guarded against by a good service of lighthouses and lightships.
From its Coca branch to the mouth of the Curaray the Napo is full of snags and shelving sandbanks, and throws out numerous canos among jungle-tangled islands, which in the wet season are flooded, giving the river an immense width.
Oysters abound on the eastern coast, and on the shelving banks of a vast extent of the northern coast the pearl oyster is the source of a considerable industry.
The Argeia, or territory of Argos proper, consisted of a shelving plain at the head of the Gulf of Argolis, enclosed between the eastern wall of the Arcadian plateau and the central highlands of Argolis.