2l8 SMITH : ON THE GENUS AST ARTE. 



1843. Astarte compressa Mont. Macgillivray, Moll Aber- 

 deen, pp. 211 and 261. 



1843. Crassina arctica Gray. Hanley, Cat. Rec. Biv., pp. 

 88 and 350, pi. xiv., f. 40. 



1845. Astarte boreal is Linn. Philippi, Abbild., vol. ii.' 

 p. 58, pi. i., f. II. 



1848. A. corrugata Brown. Middendorff, Mai. Ross., part 3, 

 p. 46, pi. xvii., f. 4 — 10. 



1853. A. arctica Gray, Forbes and Hanley. Brit. Moll., vol. i., 



p. 461, pi. XXX., f. 7. 



1854. A. arctica Sowerby. Thes. Con., vol. ii., p. 780, 



pi. clxvii., f. 17, 18 and 20. 

 1854. A. semisulcata Leach. Sowerby, I.e., p. 781, pi. 

 clxvii., f. 16. 



1854. A. lactea B. & S. Sowerby, I.e., p. 781, pi. clxvii., 



f. 21, 22 and 23. 



1855. A. richardsoni Reeve. Belcher's Last Arctic Voy., 



vol. ii., p. 39, pi. xxxiii., f. la — b. ~ l^rry^^aXZd ^^^ 

 1867. A. island ica Deshayes. MS.? in Mus., Cuming. 

 1872. A. boreal is Chemn. Meyer and Mobius, Fauna Kieler 



Bucht, vol. ii., p. 95, f. I — 4. 

 1872. A. lactea B. & S. Dawson, Post. Pliocene Geol. 



Canada, pi. vii., f. 3. 

 1874. A. semisulcata Leach. Sowerby, Conch. Icon., f. 12. 

 1874. A. lactea B. & S., id., i.e., f. 18. = o^cAx.cc^. 

 1874. A. producta, id.. I.e., f. 19. ^ b-c^nr^eMlo 



1874. A. subtrigoria, id.. I.e., f. 20. - a^e^Cf^^ 



1874. A. arctica Gray, id.. I.e., f. 2\a — b. 



1875. A. (Tridonta) semisulcata Leach. Morch, Arctic 



Manual, p. 132. 

 1877. A. semisulcata Leach. Smith, Ann. Ma^. Nat. Hist, 

 vol. XX., p. 142. 



J.C, iii., July, 1881 



