ORDOVICTAN AND SILURIAN BRACHIOPODA OF THE GIRVAN DISTRICT. 965 



(1) Plectambonites sericea, var. rhombica (M'Coy). 



(1) ., subcorrugatella, sp. nov. 



(1) Strophomena skaUochensis, Dav. 

 (1), (2) Triplecia insularis, Eichw. 



(1) Scenidium Greenoughi, sp. nov. 

 (1), (2) Cliiambonites complectens (Wiman), var. nov. albida. 

 (1), (2) „ shaUochensis (Dav.). 



(1) Rhynchotrema shallochense (Dav.). 



(1) Dayia cymbula (Dav.), var. nov. girvanensis. 



(1) Atrypa expansa, Lindstr., var. 



Drummuck Group. 



(1) Paterulal Jamesoni, sp. nov. 



(1) Lingula mediostriata, sp. nov. 



(1) ,, solvens, sp. nov. 



(1) Lingulasma% penultimum, sp. nov. 



(1) Siphonotretal thraivensis, sp. nov. 

 (1), (3) Schizambon sections (Dav.), var. 



(1) Trematis siluriana, Dav. 



(1) Schizomania asteroidea, sp. nov. 



(1) Orbiculoidea Armstrongi, sp. nov. 



(1) Philhedra drummuckensis, sp. nov. 



(1) Phulidops antiqua (Schloth.) 1 



(1) Pseudocrania divaricata, M'Coy. 



(1) ,, multifilosa, sp. nov. 



(1) Orthis calliyramnia, Dalm. 



(1) ,, (Plectorthis) thraivensis, sp. nov. 

 (1), (2) „ (Dinorthis) porcata, M'Coy . 



(1) ,, (Hebertella) crispa, M'Coy. 



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

 (1), (2), (3), (5) „ (Dalmanella) elegantula, Dalm., var. nov. drummuckensis. 



(1) ,, ( „ ) testndinaria, Dalm. ? 



(1) „ (Rhipidomella) prematura, sp. nov. 



(1) „ (Schizophorella) fallax, Salt. 



(1) „ (Nicolella) actonim (Sow.), var. nov. asteroidea. 



(1) Rafinesquina (PlayfairiaVj felix, sp. nov. 



(1) Leptsena rhomboidalis (Wilck.), var. y. 



(1) Stropheodonta corrugatella (Dav). 



(1) „ donax, sp. nov. 



(1) Strophonella undata (M'Coy). 



(1) Christiania tenuicincta (M'Coy). 



(1) Plectambonites ruralis, sp. nov. 



(1) „ sericea (Sow.), var. nov. thraivensis. 



(1) Strophomena valens, sp. nov. 



(1) Schuchertellat inexpectata, sp. nov. 



(1) Ohonetes advena, sp. nov. 



(1) Triplecia insularis (Eichw.). 



(1) Cliftonia spiriferoides (M'Coy). 



(1) Cliiambonites ascend ens, Pander. 



(1) Scenidium Lewisi, Dav., var. nov. asteroidea. 



(1) Parastrophia thraivensis, sp. nov. 



(1) Bhynchotreta cuneata (Dalm.), var. ? 



