318 SPHJERlIDyE 



■q , [ PisidiiDH pusiUimi, Jenyns : Brown, Illust. Co)ich. Brit., 

 jgPj- j ed. 2, p. 95, pi. xxxix, f. 27. 



?1845. Pisidium pusillum, Jenyns : Brown, Illiist. L. cfc F.-W. 



Conch. Brit., p. 121, pi. xxiv, f. 12. 

 ?1849 ") Piscidiiim pusillum : Brown, Illust. Foss. Conch., p. 210, 

 [1846?]/ pi. Ixxxvi, f. 11. 



?1849. Pisidium pusillum, Turton : Forbes & Hanley, Brit. 



Moll, ii, p. 123, pi. xxxvii, f. 14. 

 ?1852. Eiujlesa henslowiana : Leach, Moll. Brit. Synop., p. 291. 

 1854. Pisum pusillum., Gmel. : Deshayes, Cat. Couch. Brit. 



Mus., ii, p. 277. 

 1856. Pisidium cazertanum, var. y thermale : Moquin-Tandon, 



Hist. Moll. France, ii, p. 584. 



1856. Pisidium. pusillum, Gmel. : Moquin-Taxdon, t. c, p. 587, 



pi. lii, f. 38-42. 



1857. Pisidium pusillum : Gray, in Turton's Manual, new ed., 



p. 266, pi. i, f. 7. 



1858. Musculium pusillum, Gmel. : H. & A. Adams, Genera 



Moll, ii, p. 452. 



1862. Pisidium pusillum, Gmelin : Jeffreys, Brit. Conch., i, 



p. 23; V, pi. i, f. 7. 



1863. Pisidium. pusillum, Gmelin : Reeve, L. & F.-W. Moll. 



Brit. Is., p. 230, figs. 

 1871. Pisidium milium, var. normandianum, Diipuy : Clessin, 



Malahozool. BUM., xviii, p. 194. [Fide 



specimens from Clessin in Lindholm Coll.] 

 1871. Pisidium. (Cycladina) pusillum: Clessin, Malah. Bldtt., 



xviii, p. 189. 



1873. Pisidium (Fossarina) pusillum, Gmel. : Clessin, in Wester- 



lund. Fauna Moll. Svecia, pt. ii, p. 549. 



1874. Pisidium foreli, m. : Clessin, Correspond.-Bldtt. zooL- 



min. Ver. Regenshurg, xxviii, p. 181. [Teste 



Odhner.] 

 1899. Pisidium clessini, n. sp. [pars] : Surbeck, Rev. Suisse 



Zool, vi, p. 482, pi. xii, f. 6-15. 

 1903. Corneocyclas (s.s.) pusilla, Gmel. : Ball, Proc. Biol. Soc. 



Washington, xvi, p. 7. 

 1921. Pisidium pusillulum, nom. nov. : B. B. Woodward, 



Proc. Malac. Soc. Lond., xiv, p. 219. 



First recorded as British in 1832, by L. Jenyns, as P. 



pusillum, Gmel. {See ref. above.) 

 British Distribution in Time : Cromerian to Recent. 



7. Pisidium milium, Held. 



Etym. : — Lat. militim., millet. 



1832. Pisidium pulchellum, var. 8 : Jenyns, Trans. Camb. Phil. 

 Soc, iv, p. 306, 1)1. xxi, f. 4 & 5. 



