9. The Recent Pearl Fishery in Palk Bay, with 
Biological Notes upon Pearl Oysters. 
By James Horney, Superintendent of Pearl and Chank 
Fisheries to the Government of Madras. 
I. Tue Peart FisHery. 
ppened, however, that among the recent developments of the 
Madras Fisheries Department, there figured the consolidation 
of the chank fisheries along the whole Madras coast ; the final 
phase consisted in the acquisition from the Rajah of Ramnad 
long bearing fruit; a survey of the coastal region, carried 
out in March and April of the following year, reveale the exist- 
tw : € oysters were confined to the area lying be- 
een the 5 and 5% fathom contours and lay on a bottom com- 
tae nt and a Scrwpocellarian polyzoon was also very abun- 
tufted pence attached to the pearl-oyster valves in luxuriant 
