ON PHOTOGRAPHS OF GEOLOGICAL INTEREST. 327 



Regd. No. 



527 Chalk pit north-west of Upper chalk, with flints 



Bushey Station, Watford 



528 Do. north of Bushey Station, „ with ' pipe ' of gravel and sand 



Watford 



Isle op Man. 



Per Yorlcshire Naturalists' Union (Geol. Photo. Section). (PhotograpJied hy 

 G. H. RoDWELL, 44 Wade Lane, Leeds.) Size 4x3 inches. 



301 Spanish Head and ' Sugar Clay slates ; sea ' stack ' 



Loaf ' Rock, 1890 



302 Douglas Head, 1890 . . Contorted clay slates 



Photographed hy F. N. Eaton, 31 Highfield South, Eoch Ferry, Cheshire. 

 Size 4x3 inches, 



3 03 Port Erin, 1891 . . Contorted clay slates 



30ft „ the Breakwater Effects of storm 



305 Port St. Mary . . . Cambrian beds on shore (with fault) 



306 Peel Castle . . . Quartz veins in slate 

 307-8 ,, .... Contorted strata 



309 Douglas Ba)% Pori. Jack . Stratification and jointing of rock 



310 „ Lighthouse . Contorted clay-slates 



311 „ Port Skilliou A^ertical clay-slates 



Per Chester Society of Natural Science {Photo. Section), {Photographed by 

 Dr. Ht. Stolterfoth, M.A., Chester.) Size 6x4 inches. 



349 Langness, 1890 . . , Junction of Old Red sandstone and clay 



slates 

 3 SO „ 1889 . . . Old Red conglomerate 



351 „ 1890 . . . „ 



352 Scarlett Point . . . Core of old volcano 



Kent. 



Photographed hy Arthur S. Reid, M.A., F.G.S., Trinity College, 

 Olenalmond, N.B. 

 34ft-3ft7 Lenham, 1891 . . . Sand ' pipes ' in chalk 



Per Torhshire Naturalists' Union {Geol. Photo. Section). {Photographed by 

 Godfrey Binglet, 15 Cardigan Road, Leeds), Size 8x6 inches. 



507 Tunbridge Wells . . The ' Toad Eock ' 



Per Captain J. Gordon McDakin, 15 Esplanade, Dover. 

 Size 12 xlO inches. 



414 Dover, Shakespeare Cliff , Middle and lower chalk 



415 „ East Cliff . . Upper and middle chalk, showing coast 



erosion 



Lancashire. 



Photographed by R. G. Brook, St. Helens. Size 8x6 inches. 



285-290 Ravenhead, 1890 . . Coal measures, with outcrop of 'fiery mine' 



seam exposed in claj' pit 

 [The views form a connected series.] 



