THE CLYDE DRAINAGE AREA. 527 



720-740. Hole Burn, E. of Sorn. 



750. Duntoii Water, in puddle trench, N.E. of Fenwick. 



780. Muirfoot Burn, New Cumnock. 



800. Greenock Water ; Guelt Water. 



880-900. Guelt Water, N.E. of New Cumnock. 



920. Coyle Water above Rankinston. 



1000 (above). Patrick Burn, near Muirkirk. 



1060. Douglas Water, and 2 miles down stream. 



1061. Dippel Burn, between Muirkirk and Lesmahagow, and for j mile 



down stream. 



Since the above was drawn up I have found remains of marine fauna in 

 drift on Pockmuir Burn, about 1000 feet ; on Nethan Water, over 1000 feet ; 

 and Powbrone Burn, over 1100 feet above sea-level. 



FOSSILS IN DRIFT OR BOULDER-CLAY. 



None of the localities mentioned in the preceding list have been syste- 

 matically " worked " for fossils, but I have got from them the following 

 molluscan remains. Mr. Joseph Wright, F.G.S., has recorded 42 species of 

 Foraminifera obtained from them, these organisms having been extremely 

 abundant in some of the Boulder-clays. As many as 3000 specimens were 

 obtained from less than 10 Ibs. weight of clay taken from high levels. 



Ostracoda, 1 1 species. 



Crisia eburnia, L. 



Verruca stromia, Mull. 



Balanus crenatus, Brug. 



B. porcatus, Da Costa. 

 ** Pecten islandicus, Mull. 

 ** P. groenlandicus, Lane. 

 ** Leda pernula, Mull. 



L. pygmaea, Munst. 



L. pygmaea, var. Gouldi. 



Nucula tenuis, Mont. 



Cyprina islandica, L. 



Cardium sp. 

 ** Astarte borealis, Chem. 



A. sulcata, Da Costa. 



A. compressa, Mont. 



Tellina balthica, L. 

 ** T. calcarea, Chem. 



Montecuta elevata, Stimp. 



Mactra, sp. 



Venus ovata, Penn. 



Saxicava rugosa, L. 



Mya truncata, L. 



Corbula gibbet, Olivi. 



Trockus, sp. 



Littorina littorea, L., worn specimens. 



Turritella terebra, L. 



Natica groenlandica, Beck. 



N. affinis, {N. clausa\ Gmel. 



Aporrhais pes-peleca?ii, L. 



Buccinum (or Fusus}. 



Burrows of boring Sponges. 



Burrows in sand under Boulder-clay. 



Borings of Gasteropods in shells. 



Many Plant-remains, not identified. 

 NOTE. Those species marked ** are now extinct in British seas. 



