Classified Index. 
447 
YORKSHIRE—continued. 
Permian Limestone in South York- 
shire, with tabulated table, J. W. H. 
Johnson, 308 ; Spores and Sporangia 
of Coniopteris hymenophylloides and 
Todites williamsoni found in the 
Estuarine Shales of the Yorkshire 
Coast, noted, 347; The Water- 
Content of Acidic Peats, the speci- 
mens examined being obtained chief- 
ly in the Halifax District, W. B. 
Crump, 361-362; Table of Coast 
Erosion at Aldborough from August 
1893 to August 1911, T. Petch, 381 
The Brecciation of Mineral-veins, 
examples from Grassington, men- 
tioned, noted, 417 
Hemiptera: Annual Report of Hemip- 
tera, etc., Committee of Yorkshire 
Naturalists’ Union, 1910, 55-56 
Hydrozoa: List of species obtained 
during Meeting of Yorkshire Natura- 
lists’ Union Marine Biological Com- 
mittee at Scarborough, September 
1911, F. H. Woods, 420-422 
Hymenoptera: Annual Report of Hy- 
menoptera, etc., Committee of York- 
shire Naturalists’ Union, 1910, 55; 
List of species found on visit of 
Yorkshire Naturalists’ Union to 
Harewood Park, J. F. Musham, 233 ; 
Abundance of Galls on the Willow 
Trees bordering River Ure at Ripon, 
A. L. Armstrong, 386 
Lepidoptera: Annual Report of Ento- 
mological Section of Yorkshire Natu- 
ralists’ Union, 1910, including two 
new records for Huddersfield District 
List, Eupithecia lariciata and Core- 
mia munitata, A. Whitaker and 
G. T. Porritt, 51-53; Capture of 
Xylophasia zollikoferi at Methley, 
J. T. Wigin, 103; The Hibernation 
_ and pairing of Scotosia dubitata L., 
as observed in a cave in Wharfedale, 
- with illustrations, J. W. Carter, 149- 
150; Lepidoptera observed at 
Scampston in 1911, W. H. St. Quin- 
tin, 408 ; Poliachi and var. olivacea 
with illustration, noted at Fixby, 
Huddersfield, C. Mosley, 425 
Mammalia: Annual Report of Mam- 
mals,’ etc., Investigation Committee 
of Yorkshire Naturalists’ Union, 
1910, 48-51 ; Bottle-nosed Whale at 
Spurn, O, Grabham, 137; Report 
of Meeting of Vertebrate Zoo- 
logy Section of Yorkshire Natura- 
lists’ Union held at Leeds in Febru: 
ary, H. B. Booth, 172-174; Mam- 
igi1 Dec. 1. 
moth Tusk found on the beach at 
Withernsea, G, Sheppard, to1; 
Extinct Animals of East Yorkshire, 
T. Sheppard, 225-230; Ferret de- 
vouring slug, C..Ash, 330; Species 
observed on visit of Yorkshire 
Naturalists’ Union to Harden Moss, 
Huddersfield, A. Whitaker, 363 
Meteorology: Records of Rainfall 
made at Wetwang by the late Rey. 
Maule Cole, tabulated by H. R. Mill, 
251-253 
Mollusea: (Land and Freshwater) : 
Annual Report of Conchological 
Section of Yorkshire Naturalists’ 
Union, 1910, 56-57; On Unio dis- 
tortus Bean, and Alasmodon vetustus 
Brown, from the Upper Estuarine 
Beds of Gristhorpe, with illustrations, 
J. W. Jackson, 104-107; 119-122; 
Acicula lineata (Drap.) and other 
species from at Beast Cliff, near 
Hayburn Wyke, A. J. Moore, 108 ; 
Full description, with plate, of Unio 
kendalli n. sp., found in the Lower 
Estuarine Series of Saltwick, near 
Whitby, and also notes on other 
forms, J. W. Jackson, 211-215; List 
of species found on visit of Yorkshire 
Naturalists’ Union to Harewood 
Park, J. F. Musham, 235-236 ; Ditto, 
R. Fortune, 247; Note on Unio 
margaritifera kept in confinement, 
W. West, 300; Anodonta cygnea, 
as to method of obtaining Glochidia 
of in confinement, W. West, 301 : 
List of species noted on visit of 
Yorkshire Naturalists’ Union to 
Ingleton, Wm. Cash, 325; Vivipara 
contecta at Dam Head, Shibden, 
J. H. Lumb, 331; Arion ater var. 
albolateralis (Roebuck) found at 
Bridlington, J. F. Musham, 379 
Mollusea (Marine): Annual Report of 
Marine Biology Committee of York- 
shire Naturalists’ Union, LOTOs Heel 
Woods, 57-58; Marine Shells in 
Scarboro’ Bay, with an account of 
the distribution of the Marine fauna 
in general, with diagrammatic sketch 
of exposures, J. Irving, 327-328 
List of species obtained during 
Meeting of Yorkshire Naturalists’ 
Union Marine Biloogical Committee 
at Scarboro’, September ro11, F. H. 
Woods, 420-422; On the Boring 
Habits, etc., of Pholas dactylus and 
P. candida, based on Yorkshire 
specimens, W, H. Hutton, 423-424 
