SURFACE COPEPODA OF THE GULF OF MANNAR. 193 



Calanus tenuicornis, Dana, 



Calanus tenuicornis, Cleve, 1904, p. 186. 

 A. Scott, 1909, p. 8. 



This species was represented by a single female taken near 

 Karativu Paar. Its occurrence is of some interest, as it is 

 the first occasion on which it has been recorded from Indian 

 coastal waters. 



Genus Canthocalanus, A. Scott. 



Canthocalanus pauper (Giesbrecht). 



Calanus pattper, Thompson, 1899, p. 275. 



Cleve, 1901, p. 5. 



A. Scott, 1902, p. 400. 



Cleve, 1903, p. 357. 



■ Thompson & Scott, 1903, p. 241. 



Wolfenden, 1905, p. 995. 



Canthocalanus pauper, A. Scott, 1909, p. 9. 

 Calanus pauper, Pesta, 1912, p. 43. 

 Canthocalanus pauper, Sewell, 1912, pp. 315 and 355. 

 Calanus pauper, Pesta, 1913, p. 30, 



Canthocalanus pauper, var. plumulosus, Wolfenden. 



Canthocalanus pauper, var. plumulosus, Sewell, 1912, 

 p. 355. 



This species was universally distributed over the pearl 

 banks and neighbourmg waters, occurring at times in large 

 numbers. Wolfenden {loc. cit., p. 994, 1905) has called 

 attention to a curious modification of the furcal setse which 

 is occasionally met with in U^idinula vulgaris, Paracalanus 

 aculeatus, Calocalanus pavo, and Euchirella bella var. indica. 

 This modification consists of " a more or less dichotomous 



