186 SUPPLEMENT. 



Killiney (Walpole) ! ; Pisa (Manzoni). E. N. Japan, Indian 

 and Pacific Oceans (Schrenck). 



P. 361, It 7 from bottom, for "P" r. " T." 



P. 363. — Lttcinopsis undata. F. Norway (Sars) ; Gardi- 

 ner, Maine (Lyell) ! 



P. 367.— Gastbana. Fragilia, Desh. (1848). 



P. 367. — G. feagilis. Not Venus fmgilis, Fabricius, nor 

 Tellina fragilis, Holler. 



P. 371 . — Tellina balaustina. 



Mantle more protruded at the posterior side ; edges minutely 

 ciliated : tubes cylindrical, separate, . very finely and closely 

 lineated lengthwise ; orifices plain ; upper or excretal tube 

 much longer than the other, occasionally extended nearly 

 twice the length of the shell in the same direction ; it is 

 fringed at the sides with short close-set microscopic cilia, and 

 contracted at the opening ; sometimes the lower or alimentary 

 tube is the only one protruded: foot tongue-shaped, broad. 

 Leaps or jerks along with considerable rapidity, by folding and 

 flapping its foot. A kind of spring is thus produced, and the 

 course taken is usually straight. 



Guernsey (J. G. J.) ; Aberdeen (Dawson) ! A Shetland spe- 

 cimen measured fully one inch in breadth. F. Antwerp Crag 

 (Nyst) ; Italy (Scacchi and others). 



P. 373. — T. cbassa, Pennant instead of Gmelin (T. crassa, 

 Penn. Br. Zool. iv. p. 87, t. xviii. f. 28). F. Norway (Sars) ; 

 Rhodes (Mus. J. d. PL) ! E. Japan (Allcock) ! 



P. 375. — T. balthica. F. Norway (Sars and others) ; 

 Prussia (Berendt). E. Holland (Herklots) ; Naples (Poli and 

 others) ! ; Madeira, a single valve (Watson) ! ; N. Japan 

 (Schrenck). T. rubiginosa, Poli. Sars considers the T. grcen- 

 landica of Beck a variety of this species. 



P. 379.- — T. tenuis. E. Denmark, Holland, and France ; 

 probably also N. America, as T. tenera of Say. 



P. 382. — T. fabula. F. Scandinavia and Italy. E. Hol- 

 land (Herklots) ; Atlantic coasts of France and Spain, Med., 

 and Adr. ; Cape of Good Hope (Krauss, fide Weinkauff). T. 

 strigilata, Philippi. 



P. 384. — T. sqtjalida. F. Fairlie near Glasgow (A. Bell) ! ; 

 Italy (Fonsega and others). E. Kullen in S. Sweden, and 

 Hveen in Denmark (Orsted, as T. depressa of Gmelin). 



