ON ERKATIC BLOCKS OF THE BRITISH ISLES. 555 



Dimlington — 



1 Augite-syenite (Laurvikite) embedded in the ' Basement ' Boulder-clay; 

 1 rhomb porphyry. 



Easington. On the Beach — 



1 Shap granite, 1 rhomb porphyry, besides granite, gneiss, basalt, augite- 

 syenite, Carboniferous Limestone, gannister, carboniferous basement- 

 conglomerate, brockram, Magnesian Limestone, Lias, secondary nodule 

 with Crioceras (probably from the Speeton clay), black and pink flints. 



Garton. In farmyard near Grimston Hall. 



The following stones were obtained from the Beach : — 



Carboniferous basement-conglomerate ; 1 lias (with fossils) ; 1 gneiss ; 

 1 Millstone Grit ; 1 Carboniferous Limestone ; 1 gannister ; I grey granite. 



Besides these were the following picked off the fields : — ■ 



1 Lias (striated) ; I basalt ; 2 basalt (striated) ; 1 rhomb porphyry ; 1 gan- 

 nister ; 1 quartzite ; 1 porphyrite. 



Hornsea — 



1 Shap granite pebble found in situ in ' Puri^le ' Boulder-clay. 



Patrington, Skeffling, Weeton and Wehcick. — In all these villages great 

 numbers of boulders occur, amongst which the following were noted : — 



Basalt, gneiss, porphyrite, rhomb porphyry, Carboniferous Limestone, and 



Sandstone, Lias, flint, &c. 



Withernsea — 



2 Shap granite ; 1 compact blue gneiss. 



About 3 dozen specimens of Belemnitella, all of the species B. lanceolata. 

 In the large collection of Mr. G. Miles at Withernsea the Belemnitellas are 

 also exclusively of this species. 



About 20 Chalk echinoderms, mostly in black flint such as is not 

 known in sittc in Yorkshire. 



LiNCOLNSHIEE. 



Reported by Mr. J. W. Stather. 



Louth — ■ 



1 Basic rock from Hitterdal, Norway. 



Communicated by the Lincolnshire Boulder Committee. 

 Secretary, Rev. W. Tuckwell. 



Brigsley — 



1 Sandstone ; 2 grey sandstone ; 1 whin sill ; 1 basalt (not whin sill). 



East Ravendale— 



5 Sandstone ; 2 whin sill. 

 Beechby — 



1 Quartzite. 

 Barnoldsby — 



1 Whin sill. 



