43(i 



THE SILURIAN ROCKS 



Rhynchonella Lapworthi, Dav. 



R. llandoveriana, Dav. 



R. micula, Sow. 



R. nasuta, M'Coy. 



R. nucula, Sow. 



R. Peachi, Dav. 



R. (Hyattella) Portlockiana, 



Dav. 



R. Salteri, Dav. 

 R. scotica, Dav. 

 R. shallochiensis, />#. 

 R. sub-borealis, Dav. 

 R. Thomson!, Dav. 

 R. Thomson!, var. ? 

 R. Weaver!, Salt. 

 R. Wilson!, Sow. 

 Siphpnotreta anglica, Morris. 

 S. micula, J/'(%. 

 S. scotica, Dow. 

 Skenidium Grayi, Dav. 

 S. Lewis!, Dav. 

 S. shallochiensis, Z>av. 

 S. wpodlandiensis, Dav. 

 Spirifera crispa, His. 

 S. plicatella, Linn. 

 S. plicatella, var. radiata, Sow. 

 S. sulcata, His. 



Stricklandinia balcletchiensis, 

 S. lens, Sow. 

 S. lirata, Sow. 



Strophomena antiquata, Sow. 

 S. applanata, Salt. 

 S. arenacea, Salt. 

 S. compressa, Sow. 

 S. corrugatella, Z)<m 

 S. (Rafinesquina) deltoidea, 



Conr. 



S. (R.) expansa, Sow. 

 S. Grayae, Dow. 

 S. grandis, Sow. 

 S. imbrex, Pand. 

 S. imbrex, var. semiglobosa, Dav. 

 S. insculpta, jETaW. 

 S. llandeiloensis, Dav. 

 S. pecten, Linn. 

 S. retroflexa, ^a^. 

 S. rhomboidalis, Wilck. 

 S. shallochiensis, Z)av. 

 S. simulans, M'Coy. 

 S. undata, M l Coy. 

 S. Walmstedti, Zwo?5. 

 S. Waltoni, Dav. 

 Triplesia Grayae, Dav. 

 T. incerta, Dav. 

 T. Maccpyana, Ztow. 

 T. mpnilifera, M'Coy. 

 T. spiriferoides, M'Coy. 



Craighead. 

 Camreo-an Wood. 

 Shalloch Mill. 

 Craighead ; Balclatchie. 

 Balclatchie : Shalloch Mill. 

 Craighead ; Threave. 



Craighead ; Balclatchie. 



Craighead ; Ardmillan, 



Craighead. 



Shalloch Mill. 



Craighead. 



Craighead. 



Craighead. 



Camregan Wood. 



Barr ; Straiton. 



Balclatchie. 



Craighead ; Threave. 



Threave. 



Craighead ; Threave. 



Shalloch Mill. 



Woodland Point. 



Bargany Pond Burn. 



Bargany Pond Burn. 



Bargany Pond Burn ; Penkill. 



Straiton. 



Balclatchie. 



Mulloch ; Penwhapple. 



Woodland Point. 



Mulloch ; Penkill. 



Newlands ; Penkill. 



Woodland Point ; Camregan. 



Ardmillan ; Camregan. 



Craighead ; Woodland Point. 



Craighead 

 Craighead 



Woodland Point. 

 I Mulloch.; 

 Craighead. 

 Threave. 

 Balclatchie. 



Craighead ; Balclatchie. 

 Ardmillan. 



Ardmillan. 



Woodland Point. 



Dow Hill.! 



Penkill. 

 Shalloch Mill ; Threave. 

 Shalloch Mill ; Rough Neuk. 

 Dow Hill ; Bargany Pond Burn. 

 Cuddystone Glen. 

 Cuddystone Glen. 

 Craighead. 

 Penkill. 

 Craighead. 

 Woodland Point. 

 Ardmillan ; Threave. 



Craighead 

 Newlands 

 Craighead 

 Craighead 



B2. 



D3. 



C3. 



B2-C1. 



C2-C3. 



B2-C5. 



B2-C1. 



B2-C1. 



B2. 



C3. 



B2. 



B2. 



B2. 



D3. 



B2F1. 



01. 



B2-C5. 



C5. 



B2-C5. 



C3. 



D2. 



D3. 



D3. 



D3-EL 



Fl. 



01. 



D1-E1. 



D2. 



Dl-Eh 



D2-E1. 



D2-D3. 



C1-D3. 



B2- 1)2. 



B2- D2. 



B2-D1. 



B2. 



C5. 



01. 



B2-C1. 



01. 



B2-CL 



D2. 



B2-CL 



B2-E1. 



C3-C5. 



C3-D1. 



C1-D3. 



D3. 



D3. 



B2. 



D3. 



B2. 



D2. 



C1-C5. 



