CiRC 90. 



EXPLANATION. — The Map is divided into square miles by horizontal and 

 perpendicular lines. Brafferton Station will be found in the lower right-hand 

 corner, and the general line of route is indicated by arrows. The shaded areas are 

 woods and plantations. The two lines of fault are shown which arc referred to in 

 the geological paragraph opposite. 



THE DISTRICT. — The river Swale is here the division between the vice- 

 counties of North-East and North-West York, and as this Excursion is planned for 

 North- West Yorkshire, memljers are requested to confine their investigations to the 

 country lying south and west of, and on the right bank of, the river. Not that 

 there is any objection to interesting records being made for North-East Yorkshire, 

 but simply that for sake of accuracy it be clearly un<lerstood for which division the 

 records are made. 



Between Asenby and Leek by on one hand, and Dishforth on the other, is a 

 boggy low-lying piece of country with slow-running ditches, which seems a likely 

 place to reward the naturalist. 



PHYSICAL GEOGRAPHY AND GEOLOGY.— xMr. T. Carter 

 Mitchell, F.S.A., writes: — Leckby Carr is a wood situated in a swampy hollow 

 within a few hundred yards of the right bank of the river Swale, but separated 

 from that river by a ridge of iiills. Originally, in all probability, this hollow had 

 a natural drainage into the Swale. During the Ice period, a glacier, having its 



