1907-] Records of the Indian Museum. 227 



least 5 feet long, while 5. microdot is a small rpec'es. There is 

 evidently a mistake somewhere, but it is noteworthy that local 

 observation has established the fact that one species outgrows the 

 other, especially as it requires careful examination, aided by dis- 

 section, to distinguish between the two, at any rate when they are 

 presented in the form of museum specimens. 



Both specimens show the lateral line continued along ^he m'ddle 

 of the tail to its very tip. This feature, which is very conspicuous, 

 is neither remarked in the text nor illustrated in the figures of 

 Day's monograph, in which (pi. xlv, fig. 2) the lateral line is 

 clearly shown as ending before reaching the tail in the case of 

 S. microdon. 



Ch^todontid^ . 



50. Scatophagus argiis. 



" Name Bisliat tar a ; common in the river and sea throughout 

 the 3^ear ; esteemed as food " (in spite of its reputed habits). 



Drepanid^. 



51. Drepanc punctata. 



" Name Swin ma rwat ; common in the sea during winter." 



SCORPIDID^,. 



52. Psctius argenteus. 



" Name Nga than zay ; common in the sea in the winter 

 months." 



LOBOTID^. 



53. Datnioidcs polota. 



" Name Nga pan lun gaing ; taken usually from the river 

 throughout the year, but not common." 



54. Lobotes surinamensis. 

 " Name Kyauk nag pree ; river fish, very uncommon." 



Lactariid^. 

 55. Lactarius hiirmanicns, sp. nov. 



The single specimen differs so widely from L. delicatulus, the 

 only other known species of the genus, that it has been necessary 

 to describe it as a new species. The diagnosis is printed at the end 

 of this paper. 



" Name Ah phying zar ; common throughout the year in river 

 and sea." 



