224 



SUPPLEMENT TO THE 



Table I. — Scotlish Upper- and Lower- Silurian Brachiojjoda from the Girvan District 

 the County of Ayrshire. Specimens collected by Mrs. R. Gray. 



Geneea and Species. 



TRETENTERATA. 



LlNOrLA Canadensis, Billings. 



— quadrata, Mchwald . 



— Ramsayi, Salter 



granulata, Phillips . 



attenuata, Sowerbi/ . 



4 — 



5 — 



6 — 



7 — 



ovata, M'Coj/ ? .. 

 brevis, PortlocJc 



Symondsi, Salter 



Oebiculoidea Forbesei, Davidson 



DisciNA oblongata, Portloeh -| 



perrugata, M'Coy 



crassa, Hall ? 



Balcletchiensis, JDa 



rugata, Sow 



SiPHONOTEETA Scotica, Bav 



— micula, M'Coy 



Ceania Siluriana, Dav 



Pholidops implicata, Sow 



ACEOTEELA Nicholsoni, Bav 



? costata, Bav 



CLISTENTERATA. 



21 SPiEiFEEAplicatella.var. radiata, Sow. 



22 Ctrtia exporrecta, Wahlenberg 



23 NuciEOSPiEA pisum, Soto 



24 Whitfield lA tumida, DaZmara 



25 Meeisteila ? angustifrons, Jf' Coy J 



26 Athteis sp. ? 



27 Glassia obovata, Sow.? .. 



28 Meeista? cymbula, Bav. 



29 Ateypa reticularis, XJ»Me.. 



30 — imbricata, Sow. 



31 ? Scotica, M'Coy 



32 Teiplesia ? Grayi, Bav. 



33 



piriferoides, M'Coy 



Steatigeaphical Divisions bt Peof. C. 

 Lapwoeth. 



LOCAIITIES FtTENISHED BT MeS. R. GeAT. 



Balcletchie. 



Shallock Mill. 



Craighead. 



Craighead, Balcletchie, Minuntion. 



Ardmillan Brae, Dow Hill, Minuntion. 



Drummuck. 



Shallock Mill, Whitehouse Bay. 



Penwapple Glen. 



Balcletchie, Ardmillan Brae. 



Drummuck. 



Shallock Mill, Whitehouse Bay. 



Bargany Pond Mill. 



Penkill. 



Woodland Point. 



Penkill. 



Woodland Point. 



Mullock Hill. 



Drummuck. 



Ardmillan Brae, Balcletchie. 



Balcletchie, Craighead, Dow Hill, Ardmillan Brae. 



Whitehouse Bay, Shallock Mill. 



Penwhapple Glen. 



Thraive. 



Balcletchie. 



Bargany-Pond Burn. 



Craighead, Minuntion. 



Balcletchie. 



Newlands' beds. 



Mullock Hill. 



Penkill beds, Penwhapple Glen, Woodland Point. 



Craighead, Balcletchie, Ardmillan Brae. 



Balcletchie. 



Bargany-Pond Burn, Penkill. 



Penkill. 



Bargany-Pond Burn. 



Barganv-Pond Burn. 



Mullock Hill, Head of Thraive Glen, Auld Thorns. 



Thraive. 



Whitehouse Bay. 



Penkill. 



Thraive, Drummuck. 



Penkill, Penkill Limestone, Penwhapple Glen. 



Woodlands Point. 



Mullock Hill. 



Penkill, Bargany-Pond Burn. 



Woodland Point. 



Mullock Hill. 



Craighead, Balcletchie Conglomerate 



Thraive. 



Ardmillan Brae, 



