The Sciaenidae extend from the Bay of Bengal to China, but are not known to the westward.
To the south, their drainage supplies two distinct river systems, one of which debouches in comparatively small streams on the Gulf of Cambay, while the other unites to form the Chambal river, a great southern tributary of the Jumna, flowing thence via the Ganges, into the Bay of Bengal on the other side of India.
This range separates the Bay of Bengal from the Andaman Sea; and it contains much that is geologically characteristic of the Arakan Yoma, and formations common also to the Nicobars and to Sumatra and the adjacent islands.
In the struggles which ensued, the Hindu kingdom of Telingana fell bit by bit to the Bahmani dynasty, who advanced their frontier to Golconda in 1373, to Warangal in 1421, and to the Bay of Bengal in 1472.
The cyclones of the Bay of Bengal appear to originate over the Andaman and Nicobar islands, and are commonly propagated in a north-westward direction, striking the east coast of the Indian peninsula at various points, and then often advancing with an easterly tendency over the land, and passing with extreme violence across the delta of the Ganges.
In the Bay of Bengal the strength of the southwest monsoon is rather from the south and south-east, being succeeded by north-east winds after October, which give place to northerly and north-westerly winds as the year advances.
At the head of the Bay of Bengal in Chittagong district, side by side with coffee on the Nilgiri hills, on the forest-clad slopes of Kumaon and Kangra, amid the low-lying jungle of the Bhutan Dwars, and even in Arakan, the energetic pioneers of tea-planting have established their industry.
To the south the province is shut in by the wide mountainous tract which stretches from the Bay of Bengal through Bastar to the Godavari, and west of that river is continued onward to the rocky ridges and plateaus of Khandesh by a succession of ranges that enclose the plain of Berar along its southern border.
Or 9 Fahrenheit degrees higher than the water of the Bay of Bengal at the same depth.
Of the islands in the Bay of Bengal the Nicobar and Andaman groups are alone worth notice.