;64 Ectinosoma melaniceps, Boeck, Oversigt Gorges Copepoder, p. 30. 

 >80. Ertinosoma melaniceps, G. S. Brady, .vol. ii. p. 11, pi. xl. 



ECTINOSOMA. MICROSETELLA. 137 



ECTINOSOMA PYGM^EUM, T. & A. Scott. 



1896. Ectinosoma pi/ffnxeum, T. & A. Scott, 1. c. p. 433, pi. xxxvi. 

 fio-s. 15, 41 ; pi. xxxvii. fig*. 5, 20, 39, 43 ; pi. xxxviii. figs. 4, 26, 

 31, 55. 



This species, which may be distinguished by the moderately 

 stout fusiform seta? o the fifth thoracic feet of the female, 

 was obtained very sparingly in Fowey Harbour, Cornwall, 

 on May 7th, 1903. 



ECTINOSOMA MELANICEPS, Boeck. 



1864. 

 1880. 

 furs. 17-20. 



1897. Ectinosoma melaniceps, T. & A. Scott, 1. c. p. 434, pi. xxxvi. 

 tio-s. 13, 28, 45 ; pi. xxxvii. figs. 11, 22, 40, 49 ; pi. xxxviii. figs. 2, 

 21,41,46. 



1904. Ectinosoma melaniceps, G. O. Sars, p. 34, pi. xix. fig. 1. 



Moderately frequent in gatherings from Salcombe, July 

 1875 ; Exmouth from between tide-marks, June 1884 ; and 

 the mouth of the Yealm, August 1889. It has more recently 

 been obtained in gatherings from Fowey, Cornwall, the Scilly 

 Islands, and Plymouth. 



Ectinosoma melaniceps is a form that appears to be mode- 

 rately common and generally distributed round the British 

 Islands. 



ECTINOSOMA NORMANI, T. & A. Scott. 



1896. Ectinosoma Nomiani, T. & A. Scott, 1. c. p. 435, pi. xxxvi. 



fio-s. 21, 29, 39 ; pi. xxxvii. figs. 12, 26, 34, 51 ; pi. xxxviii. figs. 5, 



18, 42, 45. 

 1904. Ectinosoma Normani, G. 0. Sars, p. 35, pi. xix. fig. 2. 



This moderately distinct species was observed in gatherings 

 from Salcombe and Plymouth. It was not uncommon in two 

 of those from Salcombe, one collected in June and one in 

 July 1875; and it occurred in no fewer than ten of the 

 gatherings from Plymouth, collected between the llth and 

 51st of August, 1903. The following are some of the 

 localities where these gatherings were collected : near 

 Chequer Buoy, Cawsand Bay, near Drake Island, Mill Bay, 

 and three miles N.W. of Eddystone Lighthouse. 



MICROSETELLA NORVEGICA (Boeck). 



1864. Setelki norveyica, Boeck, Oversigt Norges Copepoder, p. 57. 

 1873. Microsetella utluntica, Brady & Robertson, Aim. & Mag. Nat. 

 Hist. ser. 4, vol. xii. p. ICO, pi. 'ix. figs. 11-16. 



