bibliography: mollusca, 1886-87. 



261 



W. D. Roebuck. York Mid W., York N.W. 



[Helix lactea, living, from Pateley Bridge ; and Swaledale captures, 



six species]. Journ. of Conch. , Jan. 1885, iv. 261, 



W. Denison Roebuck. York Mid W. 



Occurrence of Limax cinereo-niger in Washburndaje [July 5th, 1885, 

 with L. agresiis, L. Levis, L. inaxiiiuts var. rellaria, An'on atcr var, rufa, and 

 Zonites fulvus\ Nat., vSep. 1885, p. 320. 



W. Denison Roebuck. Line. N. 



Amalia gagates [and var. plumbea] in North Lincolnshire [in gardens at 

 Alford]. Nat., Nov. 1885, p. 366. 



W. Denison Roebuck. Cheshire. 

 Testacella haliotidea v. scutulum at Chester [in the green lanes near 

 nursery gardens, but not in them (G. W. Shrubsole)]. Nat., March 1886, 

 p. 80. 



W. Denison Roebuck. York Mid W. 



Upper Nidderdale and its Fauna . . . Mollusca [a full list of forty 

 species (besides varieties), only one of which {LiiiunFa peregra) is not a land 

 shell; localities cited for all]. Nat., July 1886, pp. 206-208. 



Wm. Denison Roebuck. York Mid W. 



Limax cinereo-niger at Shipley Glen [the var. i/iaiira found by J. A. 

 Hargreaves, vSep. 30th, 1S86 ; same locality where W. West found the var. 

 htctiiosa some years ago]. Nat., Nov. 1886, p. 347. 



W. Denison Roebuck. York Mid W. 



[Limax cinereo-niger collected by J. A. Hargreaves at Shipley Glen, 

 exhibited]. Journ. of Conch., Jan. 1887, v. 138. 



W. Denison Roebuck. Line. N., Line. S. 



Materials towards a List of the Land and Fresh-water Mollusca of 

 Lincolnshire [being a full and detailed enumeration of eighty-eight species 

 (eleven slugs, Ihirty-nine land and thirty-eight fresh-water shells) known to 

 inhabit the county, preceded by a description of the investigated districts and 

 by a full historical summary of the investigations made]. Nat., Aug. and 

 Sep., 1887, pp. 245-272. 



Thomas Rogers. Lane. S. 



On Planorbis dilatatus, P. glaber, and Sphaerium ovale [their introduc- 

 tion into canals near Manchester and at Burnley, and the conditions under 

 which they flourish]. Journ. of Conch., July 1887, v. 218-220. 



George W. Shrubsole. Cheshire. 

 On the Erosion of Certain Fresh-water Shells [clean Staffordshire speci- 

 mens of Planorhis corneiis from the Trent Canal at Stone, became very much 

 eroded in water from the Dee at Chester ; attributed to the different propor- 

 tion of lime in the respective waters]. Journ. of Conch., July 1886, v. 66-71 ; 

 and see review in Americ. Nat., 1886, p. 1065. 



P. L. Simmonus. Isle of Man, Furness, Lane. W. 



The Animal Food Resources of Different Nations, with mention of some 

 of the Special Dainties of Various People derived from the Animal Kingdom 

 [at p. 425 it is stated that there are large beds of Scallops {/'ecfi'ii, ? species) 

 off the Isle of Man ; and at p. 432 are given sialistics of sales of Mussels 

 {Mytilns ednlis) taken in Morecambe Bay]. London : E. and F. N. Spon. 

 . . 1885 ; 8vo. cloth, 461 pages. 



R. Standen. Lane. W., Lane. S. 



Lancashire Helices [being detailed notes on the occurrence of //. nemoralis, 

 H. hortensis, H. capcrata, II. ericctoruni , H. virgafa, H. aspersa, II. r/zfrscYf/s, 

 H. rcfi/ndafn, H. ar/uisionuji , and H. Jiispida, in various localities round 

 Preston, at Manchester, Blackpool, and Formby]. Nat., March 18S6, p. 80. 



Sept. 1888. 



