IN THE SOUTH OF AERAN. 



545 



List of thi 



S 



HELLS 



FOUND m THE ArRAN BeDS, &C.— 



'Continued. 





Name. 









British. 



Norwegian 



n i J f Si/n. Lucina. 

 LryptOQon -{ </ , . 

 •"^ [ byn. Axinus. 



} 



Sarsii. 







20-180 fathoms. 



Modiola modiolus. 









0-60 fathoms. 



Shore. 





Leda {syn. Yoldia) pygmzea. 







25-40 



30-140 



5» 



pernula. 







{ 



35-160 Macandrew, 1 

 N..E. Atlantic. J " 



10-140 



») 



Pecten opercularis. 









5-100 



30-50 



*) 



islandicus. 









35-100 (dead.) 



10-60 



Shore, 



tl 



Litorina litorea. 







Shore. „ 





Turritella communis. 









4-100. 



10-30 



»» 



Natica. 







Species not determinable. 





Description of Plates. 



Plate XXI. 



All this is purply and red 

 like the shale-rocks of 

 the district. 



Fig. 1. Lower part of Torlin Water seen from the east, 450 ft. above the sea, to show the contours 

 of the land, the clothing of boulder-clay, and the way in which the burn-course is cut 

 through it. The banks in the burn-course are from 60 to 120 ft. high. (P. 524-528.) 



Fig. 2. Bed of various clays, &c,, in the Torlin Burn, below the church, (P. 528.) 



1. Small gravel and minute angular stones, 3 inches. 



2. Fine clay with angular stones in upper corner, 2 inches. 



3. Sand, 3 inches. 



4. Clay with stones, 3 inches. 



5. A nest of gravel, 3 inches. 



6. Sand, 4 inches. 



7. Fine yellowish sand, 3 inches, 



8. Fine reddish sand and clay, without stones, 6 inches. 



9. A nest of gravel, 3 inches. 



10. Sandy clays distinctly laminated, and slightly varying in texture; dipping under next 



bed, No. 11 at 75° ; shells found in this, 8 inches, 



11. Vei-y dense, dark, coarse boulder-clay, with few stones, and slightly stratified; shells 



found here, 6 or 6 feet. 



12. Layer of large stones and coarse gravel, 1 foot. 



13. Boulder-clay. 



Fig. 3. Great shell-bearing banks in the Cloinoid Burn-course, 80 to 100 feet high. The upper part 

 gxass-grown. The centre being obscured by debris is omitted. (P. 529.) 



Fig. 4. A bed of sand overlaid by boulder-clay. The whole subjected to a forward thrust under 

 pressure. (P. 530.) 



j Fig. 5. Immense boulder-clay bank on the Cloinoid Burn, 140 feet high; in many places perpendi- 

 cular; with shells. In the centre of the bank, the rock crops out. (P. 530.) 

 Fig. 6. BasinintheCloinoidBurn-course, to the contours of which the boulder-clay conforms. (P. 531.) 



Fig. 7.\These should go together, as they show the same beds, and are nearly continuous, 100 yards 

 Fig. 8. j only intervening. They both occur at the lower end of the basin, shown in fig. 6. 



