StTRFACE COPEPODA OF THE GULF OF MANNAR. 233 



Labidocera acuta, Giesbrecht, 1896, p. 317. 



Thompson, 1899, p. 282. 



Cleve, 1901, p. 7. 



A. Scott, 1902, p. 407. 



Thompson & Scott, 1903, p. 251. 



Cleve, 1903. p. 363. 



Cleve, 1904, p. 191. 



Wolfenden, 1905, p. 1016. 



Scott, 1909, p. 164. 



Pasta, 1912, p. 52, fig. 13. 



SeweU, 1912, p. 368. 



Pesta, 1913, p. 32. 



This species was of common occurrence in the Ceylon 

 collections. As the abovQ list of references indicates, it has a 

 wide distribution throughout Indian waters. 



Labldocera kroyeri (Brady). 



Labidocera kroyeri, Cleve, 1901, p. 7. 



Thompson & Scott, 1903, p. 251. 



Scott, 1909, p. 165. 



SeweU, 1912, p. 369. 



Labidocera kroyeri var. stylijera, Thompson & Scott. 

 Labidocera kroyeri var. stylijera, Thompson & Scott, 



1903, p. 252. PI. 



II., figs. 8, 9. 



Sewell, 1912, p. 369. 



Labidocera kroyeri var. burmanica, Sewell. 



Labidocera kroyeri var. burmanica, Sewell, 1912, p. 369. 



PL XXIII., figs. 4 



and 5. 



Examples of this species were common throughout the area 

 under investigation. A peculiarity of this species is the 

 degree of variation exhibited by the males. Thompson and 

 Scott described two varieties from the Ceylon coast, var. 

 stylijera and var. gallensis, and I have previously described a 

 third, var. burmanica, from the Tenasserim coast. The vast 

 majority of the males obtained in the present collection 



