966 DR F. R. C. REED ON THE 



(1) Zygospiral sp. 

 (1), (2), (3), (4) Dayia cymbula (Dav.), var. nov. girvanensis. 

 (1) Whitfieldellal sp. 

 (1) Meristellal sp. 



SILURIAN. 



Mulloch Hill Group. 



(1) Dinobolus Davidsoni (Salt.). 

 (1) Lingula Lewisi, Sow. 



(1) Orbiculoidea (Schizotretal) Forbesi (Dav.)? 

 (1), (2) Plrilhedra mullochensis, sp. nov. 

 (1) ,, siluriana (Dav.) ? 



(1), (2), (51), (6) Orthis calligramma, Dalm., var. nov. subplicata. 

 (1) ,, (Plectorthis) plicata, Sow. 

 (5) ,, ,, rustica, Sow., var. rigida, Dav. 1 



(1), (2 1), (3), (4) ,, (Dalmanella) crassa, Lindstr. 1 

 (1), (2), (4) ,, ( „ ) elegantula, Dalm. 



(1), (2), (3), (4), (6) „ (Schizophorella) mullochensis, Dav. 

 (1), (3), (5) Leptsena rhomboidalis (Wilck.), var. S. 

 (1), (2), (3), (4), (5), (7) Btropheodonta (Leptostrophia) filosa (Sow.), var. nov. mullochensis. 

 (1), (2), (5), (7) ,, (Brachypriori) columbana, sp. nov. 



(1) „ sp. 



(1) Plectambonites scissa (Salt.). 



(1) ,, transversalis (Dalm.), var. nov. mullochensis. 



( 1 ) Stricklandinia mullochensis, sp. nov. 

 (1) Pentamerus (Barrandella) undains (Sow.). 

 (1) Rhynchotreta cuneata (Dalm.), var. 

 (1) Gamarotoechia decemplicata (Sow.). 

 (1), (3) ,, llandoveriana (Dav.), var. nov. diversiplicata. 



(1) ,, nucula (Sow.)? 



(1) Rhynchospira Bouchardi (Dav.), var. nov. mullochensis. 

 (1), (3), (4) Whitfieldella angustifrons (M'Coy). 



(1), (2) ,, nitida (Hall), var. 



(1), (3), (4) Ccelospira scotica (M'Coy). 

 (4) Atrypa reticularis (Linn.)? 

 (1) Meristella, cf. Circe (Barr.). 



Saugh Hill Group. 



(1) Dinobolus Davidsoni (Salt.). 

 (1) Lingula Lewisi, Sow. 

 (1) „ Symondsi, Salt. 

 (1) Linyulasmal tenax, sp. nov. 

 (1) Orbiculoidea (Schizotreta) Forbesi (Dav.). 

 (1) Philhedra mullochensis, sp. nov. 

 (1), (2), (3) ,, siluriana (Dav.). 



(1), (2) Pholidops implicata (Sow.). 

 (1), (3), (4) Orthis (Plectorthis) rustica (Sow.). 



(1), (3) „ ( ,, ) ,, var. nov. paucicostata. 

 (1), (5) „ ( „ ) „ var. rigida, Dav. 

 (1) ,, (Platystrophia) biforata, Schloth. 

 (1), (2), (3), (5) „ (Bilobites) biloba, Linn. 





