96 Proceedings of the Royal Physical Society. 



13. Cliff on left bank of Bilston Burn, below Patlihead 

 Farm, one niile south-west of Loanbead, Midlothian. 



Position. — Carboniferous Limestone Series, a few feet 

 above the 3d Limestone of the Carboniferous Limestone 

 Series. 



Contents. — Triletes XVI. 



Grouped Spores (? Triletes XVL). 

 Specimens well preserved. 



14 Shore east of Seafield Tower, one mile south-west of 

 Kirkcaldy. 



Position. — Carboniferous Limestone Series. Fireclay below 

 coal beneath the Tyrie Limestones, the 3d Limestone of the 

 Carboniferous Limestone Series. 



Contents. — Lagenicula I. 



15. Joppa Quarry, three miles east of Edinburgh. 

 Position. — Carboniferous Limestone Series. Fireclay three 



inches below small coal (three inches), one foot beneath 

 Joppa Limestone (the No. 4 Limestone of the Geological 

 Survey = the Index or Cowgien Limestone of the western 

 coalfields). 



Contents. — Lagenicula I. 



Specimens well preserved. 



16. Joppa Quarry, east face, three miles east of Edinburgh. 

 Position. — Carboniferous Limestone Series, 100 feet or so 



above Joppa Limestone. In black sandy fakes. 

 Contents. — Lagenicula I. 



17. Eight Bank of Bilston Burn, a few feet above junction 

 with Dryden Burn, one mile south-west of Loanhead, 

 Midlothian. 



Position. — Carboniferous Limestone Series. Between the 

 No. 4 and No. 5 Limestone of the Geological Survey. In 

 shale-like coal with fireclay under it. 

 Contents. — Triletes XVI. 



Grouped Spores. Probably referable to Tri- 

 letes XVI. 

 Some specimens very well preserved ; others somewhat 

 weathered. 



