324 sphjEriid^ 



1913. Pisidium -parvulum, Clessiu : Woodward, Cat. Brit. 



Pisidium, p. 105, pis. ii, f. 6 ; iv, f. 8 ; xxvii, 



f. 3-6. 

 1913. Pisidium supinum, A. Schum. [pars] : Woodward, o. c, 



pi. XV, f. 9 a-f, 15 a-f, 17 a-f ; xxvi, f. 3 a-f, 



12 a, h; xxvii, f. la-f,j-o. 

 1913. Pisidium henslowanum, Shepp. [pars] : Woodward, o. c, 



pi. xxvi, f. 13 a, b. 

 1918. Pisidium torquatum, n. nov. : Stelfox, Journ. of Conch., 



XV, p. 299, pi. viii, f. 14-21. 



First recorded as British in 1916, by R. A. Phillips, as 

 P. parvulum, Clessin {Irish Naturalist, xv, p. 101). 

 British Distribution in Time : Cromcrian to Recent. 



13. Pisidium tenuilineatum, Stelfox. 



Etyni. : — Lat. tenuis + lineatus, finely striped. 



1918. Pisidium tenuilinealwn, species nova : Stelfox, Journ. 

 of Conch., XV, p. 296, pi. viii, f. 1 & 4-13. 



First recorded as British in 1918, by A. W. Stelfox, as 



above. 

 British Distribution in Time : Recent. 



14. Pisidium steenbuchii (MoUer). 



Etym. : — Named in honour of the author's friend, Herr 

 Steenbuch. 



1842. Cyclas steenbuchii, nob. : Moller, Iiidex Moll. Grcen- 



landirp, p. 20; id., Kroyer, Naturhist. 



Tidsskr., iv, 1842, p. 93. 

 1851. Pisidium fontinale, var. ? : Middendorff, Reise 



Siberiens, ii, thl. 1, p. 402. 

 1854. Sphcerium steenbuchii, Moller : Deshayes, Cat. Conch. 



Brit. Mus., ii, p. 264. 

 1857. Pisidium steenbuchii, Moller : Morch, in Rink, Gronlund, 



etc., ii, till. 4, p. 91. (Reprint, Foriegnel 



Gronl. Bloddyr, p. 19.) 

 1869. Pisidium pusillum [pars] : Jeffreys, Brit. Conch., v, 



p. 150. 



1873. Pisidium (Rivulina)globularc,ClQss. : Clessin, in Wester- 



lund, Fauna Moll. Svec, Norv. et Danice, 

 p. 532. 



1874. Pisidium steenbuchii, Morch [sic] : Clessin, in Martini 



& Chemnitz, Conch.-Cab., ed. 2, ix, abth. 3, 

 Cycladeen, p. 35, pi. iii, f. 21, p. 22. 

 1886. Pisidium hoyeri, n. sp. : Clessin, in Esmarck & Hoyer, 

 Malak. Blatt., N.F. viii, p. 120. 



