430 



Classified Index. 



YOKKSlilRE— continued. 



E. P. Butterfield, 282 ; Spotted 

 Crake near Keighley, E. P. Butter- 

 field, 282 ; Skylark removing young 

 at Scarborough, W. J. Clarke, 282 ; 

 Young Song Thrushes fostered by 

 Robin at Castleton, W. H. Booth, 

 282 ; Fulmar Petrels at Scarborough, 

 W. J. Clarke, 282-283 ; Birds noted 

 in Duncombe Park, Helmsley, H. 

 B. Booth, 283 ; Water Rail breeding 

 near Wilsden, E. P. Butterfield, 

 283-284 ; Two eggs of Cuckoo in 

 Linnets' nest at Blackhills, E. P. 

 Butterfield, with footnote by R. 

 Fortune, 284 ; Bird life noted on 

 visit of Yorkshire Naturalists' 

 Union to Wentworth, 307 ; Early 

 arrival of Swift and Cuckoo at 

 Wilsden, E. P. Butterfield, with 

 footnote by R. Fortune, 317 ; Short- 

 eared Owl and Crossbill in the 

 Skipton District, W. Rowan, 318 ; 

 White Wagtails near Leeds, J. A. 

 Atkinson, 360 ; Short-eared Owl, 

 Crossbill, and Green Woodpecker at 

 Barden, E. P. Butterfield ; Spotted 

 Crake near Whitby, F. Snowden, 

 364 ; White Kittiwake at Brid- 

 lington, S. H. Smith, 364 ; Bird life 

 noted on visit of Yorkshire Nat- 

 uralists' Union to York, S. H. 

 Smith, 376 ; Nesting of Great 

 Crested Grebe and Little Owl near 

 Fairburn, W. G. Bramley, 400 



"Gecidomyidae. — List of Midge -Galls 

 observed in various Yorkshire 

 localities, R. S. Bagnall and J. W. 

 H. Harrison, 337-341 



Coleoptera . — Phytonomus f ascicula- 

 tus Herbst. at Flixton, G. B. 

 Walsh, 16 ; Exhibits made at 

 meeting of Entomological Section 

 of Yorkshire Naturalists' Union at 

 Leeds, October, 1920, B. Morley, 

 30 ; Annual Report of Coleoptera 

 Committee of Yorkshire Natura- 

 lists' Union for 1920, W. J. Ford- 

 ham, 41 ; Further Report on 

 Yorkshire Coleoptera in 1920, in- 

 cluding eleven additions to the 

 County List, W. J. Fordham, 

 1 39 "1 43 '' Species obtained from 

 mosses from limestone walls, C. A. 

 Cheetham, 168; Hygrobia(Pelobius) 

 tarda Herbst. and other species 

 taken near Hull, T. Stainforth, 

 212 ; Dytiscus dimidiatus at Bub- 

 with, W. J. Fordham, 222 ; Species 



noted on visit of Yorkshire Nat- 

 uralists' Union to Dent, \^^ J. 

 Fordham, 280-281 ; Species noted 

 on visit of Yorkshire Naturalists' 

 Union to Wentworth, 307 ; Species 

 noted on visit of Yorkshire Nat- 

 uralists' Union to York, A. E. 

 Winter, 378 



Collembola. — On the swarming of 

 species of Collembola, J. M. Brown, 

 129-130 



Diptera. — Exhibits made at meeting 

 of Entomological Section of York- 

 shire Naturalists' Union, held at 

 Leeds, October, 1920, B. Morley, 

 31 ; Annual Report of Diptera, etc.. 

 Committee of Yorkshire Natura- 

 lists' Union for 1920, C. A. Cheet- 

 ham, 42 ; Mochlonyx velutinus 

 Ruthe, first County record, at 

 Austwick, C. A. Cheetham, 83 ; 

 Species obtained from mosses from 

 limestone walls, C. A. Cheetham, 

 168 ; Report of meeting of Plant 

 Gall Committee of Yorkshire Nat- 

 uralists' Union, held at Leeds, in 

 May, W. Falconer, 269-272 ; Sep- 

 tember meeting at same place, W. 

 Falconer, 405-408 ; Species noted 

 on visit of Yorkshire Naturalists' 

 Union to Dent, C. A. Cheetham, 

 280 ; Species noted on visit of 

 Yorkshire Naturalists' Union to 

 Wentworth, C. A. Cheetham, 308- 

 309 ; Species noted on visit of 

 Yorkshire Naturalists' Union to 

 Redcar, C. A. Cheetham, 312 ; 

 Species noted on visit of Yorkshire 

 Naturalists' Union to York, J. H.. 

 Ashworth, 378 ; Further additions 

 to the Yorkshire List, Chris. A. 

 Cheetham, 409-412 



Fish. — Annual Report of Mammals, 

 etc.. Committee of Yorkshire Nat- 

 uralists' Union for 1920, S. H. 

 Smith, 39 ; Large Salmon captured 

 in the Esk, R. Fortune, 72 ; 

 Sturgeon at Scarborough and Brid- 

 lington, W. J. Clarke, 72 ; Northern 

 Records extracted from The Field 

 and other newspapers, R. Fortune, 

 117, 143 ; Sturgeon at WTiitby, 

 F. Snowdon, 182 ; Large Trout near 

 Whitby, F. Snowdon, 328 ; Records 

 of Large Fish, Barbel, Gudgeon 

 and Perch, S. H. Smith, 364 



Flowering Plants. — The Ecology of 

 Thorne Waste (concluded), E. A. 



Naturalise. 



