224 Occurrence of Boulder Clay at Huddersfield. 



half-a-mile away. Fortunately, a pipe line was cut at right 

 angles to the spur, from Lees Beck to the hill-top at Dalton 

 Gardens (Fig. 3), this enabled the deposit to be examined 

 more carefully. Its upward distribution proved to extend 

 to the two hundred feet contour line, i.e., about thirty feet 

 above the level of the stream bed. The lower zone contained 

 many water-worn and irregular stones, some of large size 

 (a ton or more in weight), and among these were several having 

 undoubted ice scratches. One of these is shown in Fig. 4. A 

 little higher up the slope, the excavation revealed a bed four to 

 five feet thick, of stiff, tenacious, blue-grey clay, free from 

 boulders, and this was overlaid by a bed of yellow clay from 

 two to four feet in thickness, thinning out about the two hun- 

 dred feet contour line. These sections were seen by Mr. A. 

 Gilligan, and later by Prof. P. F. Kendall, and both agreed 

 that the deposits were typical boulder clay. Another interest- 

 ing section was exposed near the commencement of this pipe 

 line, when making a diversion of Lees Beck. Here it was found 

 that the boulder clay was resting upon current-bedded gravels, 

 this is shown in the photograph (Fig. 5). 



In the curious depression known as Sand Ings, about 

 half-a-mile further up the valley, the excavations revealed a 

 thick deposit of clay, free from boulders, viz. : — An upper 

 layer, fourteen feet thick, of brown clay, resting upon a layer, 

 four to five feet thick, of stiff blue clay. The little stream 

 which drains Sand Ings pursues a normal course to the east 

 until it approaches the bottom of the valley, then it turns 

 sharply to the south (up the main valley) before joining Lees 

 Beck ! Features very similar to those described at Dalton 

 Lees and the spur above, are repeated at Kirkheaton and Mill 

 Hill (also in the Kirkburton valley). Between the railway 

 and Mill Hill is a wide stretch of alluvium through which the 

 Beck meanders. In May of last year, a pipe line was cut 

 through the alluvium from Messrs. Jarmain's works to Lees 

 Beck, the deepest part of which showed ; — 



ft. ins. 



Soil 1 3 



Sandy loam ... 3 o 



Ochreous stony gravel 4 3 



Blue Clay ... ... 1 o 



Grey sandy gravel 2 o 

 but the bottom of the gravel was not reached. * 



South-west of Messrs. Jarmain's works, the beck makes a 

 deep horse-shoe bend, and on its left bank is cutting into the 

 steep slope of Mill Hill, on which the sanatorium is built. 



*Mr. G. S. Jarmain kindly informs me that at a borehole in their works, 

 the depth of gravel was 13 feet. 



Naturalist, 



