52 JOURNAL OF CONCHOLOGY, VOL. 12, NO. 2, APRIL, I907. 



1844. Brown, Captain Thos. — Illustrations of the Recent Con- 

 cliology of Great Britain and Ireland, 2nd edition, London. 



Paludina vivipara (near Soulhport) ; Lyitmcea peregra var. (Bury) ; 

 Vertigo sexdentata {=sHbstriaid) (Preston) ; Helix alliaria (near Lan- 

 caster) ; Ancylus lacustris (pond near Eccles station on Liverpool and 

 Manchester Railway) ; Dreissena polymorpha (Bridgewater Canal) ; 

 Atiodon cygneus var. cellensis (Smedley Hill near Manchester, Thos. 

 Glover, Esq. ; Infirmary Pond, Manchester), A. cygneus var. anaiina 

 (Southport), A. cygneus var. stagnalis (canal wharf at Bolton Bridge, 

 Lancashire), A. cygneus var. ponderosa (Otterspool, Aigburth, Henry 

 Johnson), var. subrhomhea (in the Irwell, near Manchester, Samuel 

 Gibson), var. rostrata (doubtful at Liverpool) ; Utiio ovalis (canal at 

 Burnley) ; Alasmodon margaraiiferus (Lune, Lancashire), var, olivacea 

 (in the Leven, a little below Windermere, Thos. Glover); Cyclas caly- 

 cuhita (near Manchester) ; also many other species common in the 

 north of England. 



1845. Brown, Captain Thos. — Illustrations of the Land and Fresh- 

 water Conchology of Great Britain and Ireland. London, 1845. 



Same localities given as in "Recent Conchology," 2nd ed., 1844. 



1850. Dyson, David. — The Land and Freshwater Shells of the 

 District around Manchester. 



This is one of the most important and interesting works in existence 

 relating to the mollusca of Lancashire, giving records of thirty-five 

 land and thirty-seven freshwater species ; dealing more especially 

 with localities in the immediate neighbourhood of Manchester, many 

 of which, ^.^., Beswick Water Works ; Hough End Clough ; Ardwick 

 Green Pond ; Moss Lane pits and ditches, Greenheys ; Nine Pits, 

 Chorlton Fields ; are now either " historic " or rapidly becoming so. 

 Many localities in the Liverpool, AV^irrington, Southport, Burnley, 

 Preston, and Lancaster districts are also enumerated. 



185 1. Woodward, S. P.— A Manual of the Mollusca, Lond., 185 1. 

 Spiral form oi Planorbis marginatus from Rochdale, cited at p. 45, 



and figured at p. 172. This is also repeated in subsequent editions. 



1852. Holme, William. — Freeman's Life of WilHam Kirby. 

 1852, p. 362. 



Letter to Mr. Kirby, written from Preston, about 182 1, anent 

 occurrence of Tellina cornea, Pkysafontinalis, P. hypnorum, Bythinia 

 tentaciilata, Planorbis planorbis, PL fossaria, and Snccinea puiris, all 

 presumably near Preston. 



1853. Lowe, E. J. — The Conchology of Nottingham. London. 

 Contains numerous references to Lancashire localities, e.g., Man- 

 chester, Lancaster, Preston, Liverpool, Lytham, Blackpool, Thornley 

 and Chaigeley, near Clitheroe, chiefly the records of Winstanley, 

 Kenyon, Gilbertson, Brown, Howitt, and himself. 



