I"-' 



INDEX 



Salopia 14, 114 

 salteri 114-5 



cf. salteri 10, 14, 21, 114 ; pi. 19, figs. 10-1 

 sp. io, 22-3, 114-5 ; pi. 19, figs. 6-9 

 Sarka Formation, Bohemia II, 42, 152 

 Schizomania 12, 18-9, 21, 44 

 filosa 46 



salopiensis 10, 18-21, 44-6 ; pi. 6, 

 figs. 22-6 

 Schizophoriidae 87-9 

 Schizotreta 47 

 elliptica 48 

 microthyris 48 



transversa 10, 20, 47-8 ; pi. 7, figs. 2-3, 7 

 sp. 10, 17-9, 48 ; pi. 7, fig. 4 

 Schmidtites 18-9, 21, 26 



? simplex 11, 20, 22, 26-7, 28 ; pi. 1, 

 figs. 1 1 -5 



subcircularis 11, 17-8, 27-8; pi. 1, 

 figs. 16-7 ; pi. 2, fig. 1 

 Scotland 11 

 Sericoidea 22, 139-40 

 abdita 140 

 cf. abdita 11, 22, 139-40; pi. 24, figs. 



8-9, 12, 15, 17-8 ; pi. 28, fig. 16 

 aff. abdita 140 

 Shelve District, Shropshire 1-158 

 Shropshire 1-158 

 Skenidiidae 82-6 

 Skenidioides 13, 82-3, 85 



cf. costatus n, 14, 20-1, 23, 82-3, 85 ; 

 pi. 13, figs. 14-6 ; pi. 14, figs. 1-3 

 Soudleyan 14, 15* 

 Sowerbyella 13-4, 21-2, 130, 136 



antiqua 13, 130-1, 132, 135-9 ; pi. 22, 



figs. 4, 7-14 ; pi. 23, figs. 1, 3-4 

 cf. antiqua 11, 20, 131-2, 137-9; pi. 23, 



figs. 2, 5-13 

 multiseptata 11, 21, 132-3, 135-9; pi. 



23, figs. 14-9 ; pi. 24, figs. 1, 3 

 sericea 136 



cf. sericea II, 14, 22-3, 134-9 ; pi. 24, 

 figs. 11, 13-4, 16 



permixta 11, 14, 22, 133-4, 136-9 ; pi. 

 24, figs. 2, 4-7, 10 

 sp. 11, 20 

 Sowerbyellidae 130-40 

 Sowerbyellinae 130-9 

 Spiriferida 154 

 Spy Wood Grit 7, 9-11, 12*, 13-4, 15*, 



16, 21 

 Stapeley Shales, Volcanic Group 9- 11, 12*, 



15*. 18 

 statistical tests 23-4 



Stiperstones Quartzite II, 15* 



Strachan, Dr I. 8, 12 



Strophomenacea, strophomenaceans 7, 140- 



5° 

 Strophomenida 126-50 

 Strophomenidae 140-8 

 Strophomenidina 126-50 

 subduction zones 8 

 Syntrophiidae 150- 1 

 Syntrophiidina 150-3 

 systematic methods 23-5 



Tachilla Shales, Morocco 11 

 Tazzarinia 13, 75 



drotae 76 



elongata 11, 20, 75-6; pi. 12, figs. 

 9-12, 15 



foraminosa 76 

 Tissintia 13, 19, 107-8 



immatura 11, 13, 20, 109-14; pi. 18, 

 figs. 10, 12-5 ; pi. 19, figs. 1-5 

 plana 13 



prototypa 11 -3, 19, 107, 108-9, 11 1-4 ; 

 pi. 17, figs. 15-9 ; pi. 18, figs. 1-9, 11 

 Trematidae 44-6 

 Trigonirhynchiidae 153-4 

 trilobites 8, 13, 16 

 Triplesia 116 



deformata 117 



simplex 117 



subcarinata 117 



sp. 11, 23, 116-7 ; pi. 19, fig. 16 

 Triplesiacea, triplesiaceans 7, 116-26 

 Triplesiidae 116-26 

 Triplesiidina 116-26 



Viruella 135 



Wales 7, 11 



successions 12-3 

 Weston Beds 9-12, 12*, 15*, 19 

 Whittard, Professor W. F. 8, 62, 154 

 Whittardia 7, 22, 60-1, 61*, 62 



paradoxica 11, 23, 62-3; pi. 9, figs. 

 7-15 ; pi. 10, figs. 1-2, 4 

 Whittardiinae 7, 60-1, 62-3 

 Whittery Shales 7, 9-11, 12*, 14, 15*, 



21-2, 23 



Volcanic Group 15*, 21 



