104 REPORTS ON THE STATE OF SCIENCE. 



(b) Akenshaw Bum : Black chert, abundant ; granite (grey and red) 

 10; syenite 3; diorite; porphyrite; amygdaloidal basalt. 



(c) Whickhope Burn : Black chert, abundant ; granite 4 ; quartz 

 porphyry 2. 



(d) Chirdon Burn: Granites 8; syenite; greywacke; basalt. 



(e) Pundershaw Burn : Granites 7 ; Carboniferous limestone 

 crowded with spines of Productus ; porphyrites 2 ; volcanic series of 

 Borrowdale ( ?) ; quartz porphyry ; syenite. 



(/) Coalcoates, Wark's Burn: Bed sandstone (Permian or Trias); 

 granites 11; mica syenite 1; volcanic series of Borrowdale 1. 



(g) Coal Cleugh, Middle Burn, Wark's Burn : Syenite (same rock 

 found in Pundershaw and Sweethope drift) ; granites 7 ; quartz por- 

 phyries 3 ; syenite ; porphyry ; greywacke ; diorite. 



(h) Deposit foot of Lyne Burn : Flints 5; chalk; garnetiferous mica 

 schist (Pitlochrie ?) 4; Magnesian limestone abundant, fossiliferous ; 

 mica schist 2; basalts (abundant); quartz porphyry; syenite; Cheviot 

 porphyrites 16; trachyte; chert 2; several greywackes; limestone and 

 sandstone. (Note. — Whickhope and Akenshaw drift dam the Wans- 

 beck to Mitford. Volcanic series of Borrowdale occur south of Wark's 

 Burn (present in Liddle Hall Kaims).) 



Striations have been observed on the rock surface by Dr. Smythe 

 at the following places : Barrow Hill (Alwinton), 800 feet E. ; Har- 

 bottle Hill (Alwinton), 950 feet E. by N.; Amerside Law (Chilling- 

 ham), 1,000 feet S. by W. ; Bellshill, S. 20° E. All these striations 

 were on sandstone. 



Reported by Rev. A. Irving, D.Sc. — From Hockerill Vicarage, 

 Bishop's Stortford (235 feet): Lydite; dolerite 2; red granite, jasper 2; 

 quartzite (several) ; red chalk. 



From Parsonage Lane, Bishop's Stortford (220 to 230 feet): Trap; 

 dolerite; red granite; quartzite; Carboniferous limestone (striated); 

 red chalk. 



From Maple Avenue, Bishop's Stortford (290 feet): Dolerite; 

 jasper; basalt; phyllite; millstone grit 3; shelly limestone; limestone; 

 red chalk ; white chalk ; haematite. 



From Hockerill Churchyard (240 feet) : Ash ; Carboniferous lime- 

 stone ; white chalk. 



From The Grange, Bishop's Stortford (215 feet): Limestone. 



From Town Cemetery, Bishop's Stortford (260 feet): Pebbly 

 sarsen. 



From Start Hill (265 feet) : Bhyolite 2 ; quartzite ; Carboniferous 

 limestone; white chalk. 



From Sawbridgeworth (c. 250 feet): Dolerite; jasper; Roth- 

 schiefer ( ?) ; shelly limestone 2 ; Northampton ironstone ; red chalk ; 

 septaria. 



From Braintree : Carboniferous limestone. 



