144 



CEYLON PEARL OYSTER REPORT. 



Fig. 46. Two pearl-oysters showing damaged shells repaired in 9 days (February 27th 

 to March 8th). Copied from the photograph. 



Two other oysters of this same series (d.) were photographed on March 10th. 

 Within the 10 days, one had formed 6 millims. of new solid shell and 15 millims. in 



Fig. 47. Pearl-oyster damaged on February 27th and photographed on March 10th to 

 show complete repair. The arrows point to the new growth. 



all including the "fingers," the other (fig. 47) had formed Hi millims. of shell and 

 10^- millims. to the end of the " fingers." 



(e.) In the case of a number of oysters damaged on April 21st, new growth varying 

 from 2 to 5 millims. in extent was seen in 2 days. 



Many other instances might he given from our note-hooks, but the above will 



