BIBLIOGRAPHY: MOLLUSCA, 1890 AND 1891. 33. 
H. WALLIS Kew. Linc. N., Lanc. S., Notts 
The Faculty of Homing in Gastropods "stig hi and ex xemplified by 
cg acoang made near Louth on Limax flavus, L. maximus, Arion ater, 
at Sw on LZ. maximus and Helix ahs q at Manchester on Z. flavus, 
and at "Taxford on ZL. arborum and L. flavus). Nat., Oct. 1890, he 307-318. 
M. KNIGH erbyshire. 
[Five Varieties of Helix nemoralis found in Dertigilaket N1 |, © 
Sep. 15th, 1891, p. 107. 
W. M. LAURENCE. Lanc. S. 
[Large Anodonta cygnea in Penketh district, near Warrington]. 
NE aie 15th, 1890, p. 50. 
W. M. LAURENC 
Po School Field fr cenee fin Cressbrook, Monsall and Miller’s 
ales; Helix Migs ends . lapicida, H. caperata, H. hispida, and Clausilia 
lemebiake noted]. Fi .5 hia 5th, 1890, p. 91. 
B. B. L{e]. T[ALt]. York Mid W. or S.E. 
arr rye ag near Nabirn on Aug. 29th, 1890]. N.H.J., 
15th, RSs 
Ts : ae THOUSE AND W. DENISON ROEBU York N.E. 
[Mollusca observed by] The Yorkshire ‘Ne turalists’ Union at Hayburn 
Wyke {on July 11th, 1891; Helix aspersa, H. nemoralis, H. caperata, 
rotu : ites nitidulus, H. virgata, H. cea, Lim peregr 
Vitrina, Succinea putris, Z. cellarius, Z. alliarius, Z. purus, Z. crystallinus, 
. fuluus, Pupa umbilicata, Vertigo tula, Carychium, Limax arborum 
nemorosa, Clausilia rugosa, Bulimus obscurus, Helix hispida, Limax 
agrestis, ast = er, A. minimus, A. bourguignati, Limnea truncatula, 
Pupa r. ingens and Ancylus lacustris noted as taken, with 
details as eedities, etc. ], Nat., Oct. 1891, p. 289. 
Francis C. Lone. Lanc. S. 
A Burnley Pond [containing Spherium lacustre, Valvata piscinalis, 
Planorbis albus, and Limnea peregra in abundance, PL. nitidus and Pl. glaber 
moderately plentiful, a few SpA. gh and Pl. di/atatus very plentiful and 
fine]. Nat. World, July 1887, p. 
Francis C, Lone. Lanc. S. 
Cochlicopa tridens ga ae ina [o : eng Whalley Road at Read 
Burnley, three joeat | 4th, 1887; new for Lanc cat ga ; ore also found 
there, and Lelie, Helex emoralis, i. arbustorum and var. pallida, 7. raeon 
and var. alba, Hyalini a cel a, Hf: allia a, H. fulva, fa fe witétule, Al. g: 
Vitrina, Bulimus ieageh re ia "Cary pals) Nat. World, July 1887, p : nae 
E. J. Lowe Notts. 
Slugs and Frost [with observations on Limax levis at Highfield House 
near ieee peck in the great frost of 1860-61]. The Conchologist, 25th 
March rae 4-5. 
E. J. Lo 
Siugs and Frost [recording Behavi seco: Arion ater, Limax flavus, 
us, L. levis, L. agrestis, pr ecett varginata, aad: ’ Hel; tx a i. ; 
Higha ees near Nottingham, in the severe frost of 1860-61]. 
Nat., vias 1891, pp. 134-135. 
J. MADISON. Mag eter festa 
[Exhibition of Limnza stagnalis var. turgida from 
Park, and Limmea glutinosa from Hull), “Midi. Nat., Sep. to p- 214. 
— 
Zig-Za a Naturalist [round Darlington; 
2 rion ater (p. =i gies Mies cygnea in the Skerne (p. 22), son Hiatt 
at Harperl , Limnea auricularia in the Skerne (p. 24). 
February 1897. 
