100 Proceedings of the Royal Physical Society. 



thus forming very beautiful microscopical objects. Triletes 

 I. is not common ; some specimens of Triletes XYII. occur 

 still united in groups of four, as well as in a separated con- 

 dition. 



30. Broomieknowe Eailway Cutting, east side of station 

 house, half a mile east of Lass wade. 



Position. — Coal Measures. Top of first coal below splint 

 coal. Coal weathered at outcrop. 



Contents. — Tkiletes X. 



Specimens bleached and well preserved, like those of 

 Locality 29. 



31. Broomieknowe Eailway Cutting, west side of station 

 house, half a mile east of Lasswade. 



Position. — Coal Measures. In rough coal above " parrot 

 coal." Weathered at outcrop. 



Contents. — Triletes X. 

 „ XL 



Spores bleached and preserved as mentioned in Locality 29. 

 This is also a good gathering. 



32. Broomieknowe Eailway Cutting between station and 

 bridge, half a mile east of Lasswade. 



Position. — Jewell Coal, weathered at outcrop. 

 Contents. — Triletes VI. 

 „ X. 

 XL 

 XVIL 

 This is also a good gathering. Spores weathered as de- 

 scribed in note to Locality 29. 



33. Broomieknowe Eailway Cutting, cliff at tunnel 100 

 yards west of the station, half a mile east of Lasswade. 



Position. — Coal Measures. About 100 feet below Jewell 

 Coal. In black bituminous shale. 

 Contents. — Teiletes IX. 

 „ X. 

 » XI. 

 These specimens are beautifully preserved. Some speci- 

 mens of Triletes IX. occur in groups of four, and other indi- 



