ADDENDA. 227 



ADDENDA. 



Genus SPH^ROMA, p. 43, add : 

 SPELEROMA HOOKERI, Leach. 



18(38. Spliccroma Hookeri, Bate & Westwood, vol. ii. p. 410. 



1873. Spheeroma Hookeri, E. Parfitt, " The Fauna of Devon," Pt. IX. 



" Sessile-Eyed Crustacea," Trans. Devonshire Assoc. Advancement 



of Science, Lit. & Art, p. 21. 



Mr. Parfitt records this species from " among weeds in a 

 ditch in the Topsham Marshes, near the Bridge." 



Genus GAMMARUS, p. 79, add : 



GAMMARUS EDWARDSII, Spence Bate. 



1862. Gammarus Edwardsii, Bate, Cat. Amphip. Brit. Mus. p. 208, 



pi. xxxvii. tig. '2. 

 1802. Gammarus Edwardsii, Bate & Westwood, vol. i. p. 386. 



"Two specimens of this species were found by us in a 

 pond at Starcross, Devonshire, into which the tide formerly 

 flowed, but which has been cut off by the railway embank- 

 ment, so that we are not aware that the sea has flowed into 

 it for many years, while a small freshwater stream con- 

 stantly runs into it."- -B. & W. 



Nothing more is known of this Gammarus, which remains 

 to be rediscovered. 



Genus THAUMALEUS, p. 204, add : 

 THAUMALEUS RIGIDUS (I. C. Thompson). 



1888. Cymbasoma rir/idum, I. C. Thompson, Linn. Soc. Journ., 



Zool. vol. xx. p. 154, pi. xiii. figs. 1-4. 

 1890. MvnstriUa rii/ida, G. C. Bourne, Quart. Journ. Micros. Sci. 



n. s. vol. xxx. p. 575, pi. xxxvii. tigs. 8, 11, 12. 

 1892. Thaumaleus Claparedii, Giesbrecht, pp. 578-585, pi. xlvi. 



figs. 5, 15, 21, 26. 

 1892. Monstrilla rii/ida, R. Valleutin, Roy. Cornwall Polytech. Soc. 



59th Report, p. 97. 

 1904. Thaumaleus rigid//*, T. Scott, 22nd Rept. Fishery Board for 



Scotland, p. 248, pi. xiii. figs. 15-17 ; pi. xiv. tig. 19. 



Off the Cornish coast (R. Vallcntin, I. c.}. 



