CRUSTACEA OF NORTHUMBERLAND AND DURHAM 373 



This beautiful species is easily recognised by its flattened 



oval form and its transverse purple band ; it is common in 



low-water pools, chiefly on the fronds oi Laininarla saccharina. 



N.D. 

 RoBERTSONiA TENUIS (Brady and Robertson). 



1876. Ectinosoma tem/e, B. and R., Report Brit. Assoc, 



1875, p. 196. 

 1880. Robertsonia tenuis, Brady (3), vol. ii., p. 25, pi. xli., 

 figs. 1-14. 

 Dredged in several places off the Durham coast in depths 

 of from twenty to thirty-seven fathoms (G. S. B.) D. 



Tegastes* falcatus Norman. 



1869. Amy /none falcata, Norman, " Last Report on 



Dredging off Shetland Isles." Brit. Assoc. Report, 



1868, p. 296. 

 1872. Aniynione rubra, Boeck, Nye Slaegter og Arter af 



Saltvands-Copepoder, p. 49. 

 1880. Amymone sphcerica, Brady (not Claus) (3), vol. ii., 



p. 28, pi. xlix., figs. i-ii. 



1903. Amymone rubra, Brady, Trans. Nat. Hist. Soc. 

 Northumberland, Durham, and Newcastle-on-Tyne, 

 new series, vol. i., p. 3, pi. i., fig. 13. 



1904. Tegastes falcatus, Sars (6), p. 69, pi. xli. 



A scarce but widely distributed species. Dredged in twenty- 

 five fathoms off Marsden and Souter Point ; found also at 

 roots of Laminariae at Holy Island (G. S. B.) N.D. 



Tegastes longimana (Claus). 



1863. Amymone longimana, Claus (2), p. 115, pi. xx., 



figs. 13, 14. 

 1880. Amymone longimana, Brady (3), vol. ii., p. 30, 

 pi. xlix., figs. 12, 13. 

 One specimen dredged in a depth of thirty-seven fathoms 

 off Hawthorn (G. S. B.) D. 



* The (reneric name Amymone having been twice previously used, by O. F. Miiller 

 in 1785 and by Savigny in 1817, Dr. Norman has proposed to substitute the term 

 Tegnstes. 



