402 CRUSTACEA OF NORTHUMEERLAND AND DURHAM 



1880. Lichomolgus arenicolus, Brady (3), vol. iii., p. 46, 

 pi. Ixxxvii., figs. 1-7. 

 Dredged off Seaton Carew in four fathoms (G. S. B.) D. 



Section IV.— NOTODELPHYOIDA 



Fam. I.— NOTODELPHYIDyE 



The Entomostraca belonging to this family are normally 

 parasitic or symbiotic in the interior of Ascidians, though 

 sometimes found as free-swimmers. 



NOTODELPHYS CCERULEA Thorcll. 



1859. Notodelphys carulea, Thorell, Bidrag till Kiinnedomen 



om Krustaceer som lefvai Arter af Slaegter Ascidia, 



p. 37, pi. iii. and iv., fig. i. 



1878. Notodelphys coerulea, Brady (3), vol. i., p. 130, 



pi. xxvii., figs. 10-13. 



In the branchial sac of Ascidia parallelogramtna off 



Hawthorn (G. S. B.) D. 



Notodelphys agilis Thorell. 



1859. Notodelphys agilis, Thorell, loc. cit., p. 40, pis. iv., v., 



fig. 6. 

 1878. Notodelphys agilis, Brady (3), vol. i., p. 130, pi. xxvi., 

 figs. I-IO. 

 In Ascidians taken off the coast of Durham in 20 to 30 

 fathoms (G. S. B.) D. 



Ascidicola rosea Thorell. 



1859. Ascidicola rosea, Thorell, loc, cit., p. 39, pis. ix., x., 



%• 13- 

 1878. Ascidicola rosea, Brady (3), vol. i., p. 145, pi. xxx., 

 figs. I-IO. 

 In Ascidians taken off Northumberland and Durham 

 (G. S. B.) N.D. 



DoROPYGUS PULEx Thorell. 



1859. Do7-opygus pnlex, Thorell, loc. cit., p. 46, pi. vi., 

 fig. 8. 



