1922.] GEOLOGICAL NOTES. 95 



men on the mainland aire not included in the list for Lihou, 

 probably the seed has blown over or been carried by 

 birds, since Marquand made his list. 



Fort Doyle, Sept. 21ST. Not much opportunity to 

 look for plants. Noticeable on, the Common were quaint 

 round patches of Sedum anglicum bearing masses of buds. 

 I brought some away and; the buds opened later, evidently 

 a distinct second crop of flowers, also growing near were 

 unusually long trails of Omithofius perpusillus. 



In August Mr. B. T. Rowswell found on the cliffs near 

 the Peastacks, St. Martin's, a very pretty orange coloured 

 fungus growing in wide bands round the leaf stems of 

 Hoicus Lanatus (soft meadow grass). The Fungus has 

 been identified by the Directors of the Royal Botanic 

 Gardens, Kew, as Epichloe typhina. Tul. This Fungus is 

 not mentioned in Marquand's list for Guernsey. Mr. Rows- 

 well is to be congratulated on having added a new Fungus 

 to the list) of Fungi for Guernsey. The specimens! on, view 

 this evening are to be placed in the Societe's Herbarium. 



M. A. McCREA, 

 Member of the Societe Guernesiaise. 



GEOLOGICAL NOTES. 



The Rev. Canon E. Hill, of Cockfleld Rectory, Bury St. 

 Edmunds, (Hon. Member), communicates the following: — 



"In the Geological Magazine for October, 1922, Dr. 

 G. H. Plymen describes an outcrop of Pre-Cambrian shale 

 discovered by him in the south-western extremity of Guern- 

 sey. It lies on the Torteval Road, near Westend Cottage, 

 and is only 37 yards long. As previously only one area of 

 sedimentary rock was known in the whole Island (also small, 

 and also at the south-western corner, near Fort Pezeries), this 

 discovery is of much interest. The rock is compared with 

 certain Jersey shales/ ' 



Dr. Plymen makes the following observations : — 



"Although very brief, the matter is very important, for 

 you have evidence that the mudstones of Pre-Cambrian Age 

 covered both Jersey and Guernsey — in fact all the Channel 

 Islands. The prevailing dip to north — an effect also found 

 in western Jersey— suggests the northern slope of an east- 

 and-west mountain range of great height, e.g., 20,000 ft. 

 occurring apparently in both Pre-Cambrian and in Permian 

 times. In this range there was volcanic activity in both Sark 

 and Jersey. Guernsey can claim huge earthquake move- 

 ments along the direction of the f Russell V 9 



The following is the article referred to above : 



