78 JOURNAI, OF CON'CHOI.ncY, VOL. 12, NO. 3, JULY, I907. 



The engine-cistern at Gannow weaving-shed, Bm-nley, sixty feet 

 above the canal, containing Sphcerium coriieu/ii, Sp. laciisfre, Valvata 

 piscifia/is, Bythiiiia tentacnlata, Limncea peregra, Fiaiwrhis alhus, 

 PI. coriiei/s, PL nitidus, PL glaber, and thousands of Pi. dilatatus. 



1S88. Williams, J. W.— The Shell-Collector's Handbook for the 

 Field. 

 PliDwibis dilatatus referred to at p. 70. 

 1 888. Rogers, Thos.— /'/w. Alancli. Lit. and PJiil. Soc, Feb. 13th, 

 1888, ser. 4, vol. i., 188S, p. 99. 

 Pearl mussels {Unio />iargaritifer) exhibited from river Lune, where 

 first discovered about forty years ago by David Dyson, and redis- 

 covered in 1887 by Robert Standen. 



1888. Narramore, W. — A Phenomenon. Researcii, July, 1888, 

 p. II. 



A\'ith a passing reference to Linincea sfagnalis at Huyton, South 

 Lancashire. 



18S9. Roebuck, W. Denison. — Limax flavus var. rufescens in 

 West Lancashire. J. Concii., vi., p. 52. 



At Avenham Line, Preston, not uncommon. 



1889. Heathcote, W. H. — Plelix aculeata Miill. in South Lanca- 

 shire. /. Condi., vi., p. 84. 



At Farington, near Preston ; only three previous records. 



1889. Taylor, J. W. — Exhibits. J. Conch., vi., p. 86. 



Dreissena, Neritina, and Ancyins fluviatiiis, from near Preston 

 (for R. Standen) ; Sphcerium ovale and Planoiins dilatatus from a new 

 locality near Blackburn (for \V. H. Heathcote). 



1889. Heathcote, W. H.— Exhibits. /. Conch., vi., p. 89. 

 Helix nemoralis var. undulata from Southport. 



1889. Taylor, J. W. — Exhibits. J. Conch., vi., p. 99. 



Helix aculeata from Farington, near Preston (for W. H. Heathcote). 



1889. Anon. — Manchester Conchological Society. Research, 

 March, 1889, p. 157. 

 Peculiar forms of Limmea palustris, Clayton-le-Moors ; and labiate 

 Z. peregra, Burnley, shown. 



1889. Roebuck, W. Denison. — Limax agrestis var. albida near 

 Preston. Naturalist, 1S89, p. 212. 

 One nearly adult at Walton-le-Dale, with abundance of the type and 

 var. sylvatica ; Arion dourguignaii and Limax maximus also. 



1889. Heathcote, W. H.— Darts. Sci. Goss., 1889, p. 90. 



Absent from a number of mature Helix aspersa found near Black- 

 pool in 1 888, but present in H. nemoralis at same place and time. 



