434 



THE SILURIAN ROCKS 



BRACHIOPODA. 



Acrothele granulata, Linnr. 

 Acrotreta costata (?) Dav. 

 A. Nicholsoni, Dav. 

 Athyris sp. 

 Atrypa (Leptocoelia) hemi- 



spherica, Sow. 

 A. imbricata, Sow. 

 A. marginalia, Dalm. 

 A. reticularis, Linn. 

 A. scotica, M'Coy. 

 Crania llandoveriana, Dav. 



C. siluriana, Dav. 

 Cyrtia exporrecta, Wahl. 

 Discina crassa, Hall. 



D. oblongata, Portl. 

 D. perrugata, M'-Coy. 

 D. rugata, Sow. 



Glassia (Athyris) obovata, Sow. 



Kutorgina sp. 



Leptaena (Plectambonites) cor- 



nuta, Dav. 

 L. Etheridgei, Dav. 

 L. G-rayi, Dav. 

 L. llandeiloensis, Dav. 

 L. (Plectambonites quinque- 



costata, M'Coy.) 

 L. scissa, Salt. 

 L. segmentum, Angelin. 

 L. sericea, Sow. 



L. sericea, var. rhombica, M'Coy. 

 L. (Christiania) tenuicincta, 



L. (Plectambonites) transver- 



salis, Wahl. 

 L. Youngiana, Dav. 

 Lingula attenuata, Sow. 

 L. brevis, Portl. 

 L. canadensis, Bill. 

 L. granulata, Phil. 

 L. ovata, M'Coy. 

 L. quadrata, Eichw. 

 L. Ramsayi, Salt. 

 L. Symondsi, /Sa?. 

 Lingulella Davisi, M'Coy. 

 L. lepis, Salt. 

 Linnarssonia (Obolella) sagit- 



talis (Salt.}. 

 Merista cymbula, Dav. 

 Meristella angustifrons, M'Coy. 

 M. (Whitfieldia) tumida, Dalm. 

 Nucleospira pisum, Sow. 

 Obolella sp. 



Orbiculoidea Forbesi, Dav. 

 Orthis Actoniae, Sow. 

 O. alternata, Sow. 



Dow Hill. 

 Balclatchie. 



Oaighead ; Balclatchie. 

 Whitehouse Bay. 



Mulloch ; Camregan. 



Threave ; Penkill. 



Penwhapple. 



Mulloch ; Straiten. 



Mulloch Hill. 



Newlands. 



Mulloch ; Woodland Point. 



Penkill. 



Penwhapple ; Straiten. 



Balclatchie. 



Craighead ; Threave. 



Bargany Pond Burn. 



Penkill. 



Bennane Head. 



Ardmillan. 



Craighead. 

 Craighead. 

 Craighead ; Ardmillan. 



Ardmillan : Woodland Point. 

 Ardmillan ; Woodland Point. 

 Shalloch Mill ; Cuddystone Glen. 

 Craighead ; Penkill. 

 Craighead ; Balclatchie. 



Balclatchie ; Shalloch Mill. 



Craighead ; 

 Craighead ; 

 Balclatchie ; 

 Ardmillan ; 

 Balclatchie. 

 Minuntion ; 

 Craighead ; 

 Craighead ; 

 Craighead ; 

 Woodland ; 

 Aucliensoul. 

 Portandea. 



Penkill. 

 Balclatchie. 

 Drummuck. 

 Whitehouse. 



Ardmillan. 

 Rough Neuk. 

 Threave. 

 Benan Burn. 

 Straiten. 



Balcreuchan Port. 



Drummuck ; Threave. 



Mulloch Hill. 



Bargany Pond Burn. 



Bougang ; Bargany Pond Burn. 



Bennane Head. 



Mulloch ; Woodland Point. 



Shalloch Mill ; Threave. 



Benan Burn. 



01. 

 01. 



B2-C1 . 

 C3. 



D1-D3. 



C5-D3. 



D. 



D1-F1. 



Dl. 



D2. 



D1-D2. 



D3. 



E1-F1. 



01. 



B2-C5. 



D3. 



D3. 



A2. 



01; 



B2. 

 B2. 

 B2-C1. 



C1-D2. 



C1-D2. 



C3-D3. 



B2-D3. 



B2-C1. 



C1-C3. 



B2-D3. 

 B2-C1. 

 C1-C5. 

 C1-C3. 



01, 



B2-C1. 



B2-D1. 



B2-C5. 



B2-B3. 



D2-F1. 



B2. 



B. 



Al. 



05. 



Dl. 



D3. 



B2-D3. 



A2. 



C3-C5. 



Bl. 



