BIBLIOGRAPHY : MOLLUSCA, 1890 AND 1801. -37 
‘W. DENISON RoEBUCK. York N.W. 
ars ep aden Pp 9 from Upper Swaledale, N. W. Yo 
[being an annotated lis 2 aquatic shells, 7 slugs, 26 land s shells—35 in all, 
with details of | localities found above Grinton and Fremington and to the dale- 
ead ; an introduction dealing with the district ; and the list is followed by 
records of captives a a ichmond and in oF bi Swaledale, which raise 
the total Swale basin list to 44 species]. Nat., Aug. 1890, pp. 229-233 
W. DENISON soeres York S.W. 
@ 
a 
< 
5 
Py 
f 
e 
o 
Fy 
be 
od 
ise) 
e 
2 
ra, Limax agrestis, Arion a 
F whan seca, Zonites excavatus, Succinea putris, 
cellarius, Z. fulvi Helix nemoralis, Hf, rufjescens, Clausilia rugosa, 
ii rotundata and Z. rs He found]. Nat., Aug. 1890, p. 225. 
W. DENISON ROEBUCK. York Mid W. 
The Conchology of Malham [being a list of 41 species, being 3 slugs, 
ai terrestrial and 12 fluviatile shells, with Jocalitie es and names of collectors, 
y Nat., Sep. i896, 4p 263-267. 
York N. E., N.W., Mid W., and S.W., 
W. DENISON ROEBUCK. Linc. N., Chesh., pry Westmorland. 
ge minimus (Simroth) a British Slug [noting as appendix 
. F. Scharff’s article that this form has occurred in the eth o cited above, 
not giving any details]. J. of Conch., Oct. 18 69. 
W. DENISON ROEBUCK. York S.E. and N.W., Linc. N. 
[Exhibition of Bulimus obscurus from Ruston Parva; Conch. Soc., 
h June, 1890; Clausilia ig the jad a new locality, Well Vale near 
Alford, where it was collected by J. B. Davy along with Cyclostoma _ 
evasa from a tree trunk near Hardraw Foss ; Conch. S th August, 18901 
Jz of: Conch:; Octz 1890, pp. .272, 273; and adh : Bibliog. abstract by 
T. D. A. Cockerell i in Brit. Nat., Jan. 1891, p. 
W. DENISON ROEBUCK. York N.W. 
[Mollusca iaees by] Rag thos wane eg i SY cage te U 
Swaledale (August 2nd 1890; n Arion 
ter, A. hortensts, 
A. bourguignati, Limax psi Vitrina, pnfiows mss teste) Z. alliarius, 
2. glaber, Z. nitidulus, Z. purus, Z. eat stallinus, Helix a fo storum, 
ff. rufescens, H. hispida, H. sericea, H. r Proce fair ripest Balea, 
Clausilia rugosa, Cl. dubia, Cl. laminata, ennen Jggeaon ‘runcatula 
and var. mzuor, as taken around Keld and Kisdon]. ai, , July 1891, p. 2 
W. DENISON ROEBUCK. Yo tk “~ 
Exhibits [to Conch. Soc.: Zonites radiatulatus, Helix ericetorum, 
A. virgata, York Dale, near Sledmere]. J. of Conch., Oct. oes p- 395- 
‘W. DENISON ROEBUCK. bap: S.W. 
[Mollusca observed by] the Yorkshire Naturalists’ Union 
and Wadworth Woods [near Doncaster, 16th and 17th Ste ger ; 
hispida, H. rotundata, H. as; aspersa, H. nemoralis, H. cantian na, Zua evel 
rugosa, Pupa umbilicata, Vitrina, Zonites cellarius, Zz. “ities ett, 2. ‘nitidulus, 
Z. fulous, Z. purus var. gel aero es crystallinus, Arion ater, A. 
sectors “i. ce a So A. ag Limax agrestis, Limnea peregra and 
334- 
<. B. Ross. York S.E. 
[Mollusca observed by] the Yorkshire Naturalists’ at Lowthorpe 
near Driffield [26th May be Ancylus fluviatilis in poe acuerd 
fusillum, P. cinereum, Valvata (bo! oth species), Pz, ysa fontinalis, 
( Planorbis 
contortus, Arion fosnct dyn tes Limax maximus, L. phat Zonites cellarius, 
February 1897. 
