322 SPH^RIID^ 



1832. Pisidium hcnslowiaimm, Nobis : Jenyns, Trans. Carnh. 



Phil. Soc, iv, p. 308, pi. xxi, f. 6 & 7. 

 1832. Pera Henslowiana, Leach MSS. : ] Jenyns, t. c, p. 308, 

 1832. Pera appendiculata, Leach MSS. : / in synon. 

 18-40,| Pisidium Henslowianum, Shepp. : Gray, in Turton's 

 Apr. J Manual, new ed., p. 285, pi. i, f. 6. 



Post ] Pisidium afpendiculata, Leach MSS. in Turton : Brown, 

 Sept. - lllust. Conch. Brit., ed. 2, p. 95, pi. xxxix, 



1840.J f. 25. 



1845. Pisidium appendiculata. Brown : Brown, lllust. L. & 



F.-W. Conch. Brit., p. 120, pi. xxiv, f. la. 

 1849. ") Piscidiiim Henslowiana : Brown, lllust. Foss. Conch., 

 [1846?]/ p. 210, pi. Ixxxvi, f. 27. 



1849. Pisidium henslowianum, Sheppard : Forbes & Hanley, 



Brit. Moll, ii, p. 131, pi. xxxvii, f. 11. 

 1852. Pera appendiculata : Leach, Moll. Brit. Synop., p. 292. 



1854. Pisum henslowianum, Shepp. : Deshayes, Cat. Conch. 



Brit. Mus., ii, p. 278. 



1855. Pisidium henslowianum., var. nucleus (" nan appendi- 



culee ") : Deshayes, t. c, p. 347. 



1856. Pisidium Henslowanuni,^hep]). : Moquin-Tandon, .&is<. 



Moll. France, ii, p. 581, pi. Hi, f. 1-10. 



1857. Pisidium Henslowianum, Shepp. : Gray, in Turton's 



Manual, new ed., p. 267. 



1858. Muscidium henslowianum, Shepp. : H. & A. Adams, 



Genera Moll., ii, p. 451. 



1859. Pisidium henslowianum : Jeffreys, Ann. <& Mag. Nat. 



Hist., Ser. Ill, vol. iii, p. 37. 



1862. Pisidium font inale, var. 1, henslowana : Jeffreys, Brit. 



Conch., i, p. 21. 



1863. Pisidium Henslowianum, Sheppard : Reeve, L. & F.-W. 



Moll. Brit. Is., p. 234, figs. 

 1873. Pisidium {Fossarina) henslowanum (Shepp.) : Clessin, 



in Westerlund, Fauna Moll. Svecice, pt. ii, 



p. 535. 

 1903. Corneocyclas (Tropidocyclas) henslowianum, Shepp. : 



Dall, Proc. Biol. Soc. Washington, xvi, p. 7. 



First recorded as British in 1825, by R. Sheppard, as 



Tellina henslowanum. (See ref. above.) 

 British Distribution in Time : Pliocene to Recent. 



11. Pisidium supinum, A. Schmidt. 



Etym. : — Lat. supinus, inclined backwards. 



1850. Pisidium supinum, n. sp. : Schmidt, Zeitschr.f. Malak., 



vii, p. 119. 

 1855. Pisidium jaudouinianum, nob. : Gassies, Actes Soc. 



Linn. Bordeaux, xx, p. 345, pi. ii, f. 2. 



