INDEX 
SUPPLEMENT TO THE BRITISH PERMIAN AND CARBONIFEROUS 
BRACIIIOPODA. 
PERMIAN . BRACHIOPODA. 
PAGE 
Kirkby's, Mr. J. W., remarks on Permian Brachiopoda from Sunderland and north of England 243, 245 
Localities in Yorkshire, Durham, and Northumberland, in which Permian Brachiopoda have been 
obtained . . . . . . . . 246—248 
Chonetes Davidsoni, Schauroth, Pi. xxx, figs, 1, 2 . . . . , 244 
Discina Koninckii, Geinck. PI. xxx, fig. 4 . . . . . . 243 
Streptorhynehus pelargonatus, Kiiig. PI. xxx, fig. 3 . . - . . . 243 
CARBONIFEROUS BRACHIOPODA. 
Scottish Carboniferous Brachiopoda, catalogue of . . . . 257 — 265 
Geological and stratigraphical observations on Carboniferous Brachiopoda . . 249—256 
Athyris ambigua, Daw. PI. xxxiv, figs. 10, 11 . . . . . . 283 
— pisum, Bav. PI. xxx, fig. 15 ...... 282 
Camarophoria Kingii, Dav. PI. xxxiii, figs. 12, 13 . . . . . 287 
Chonetes Laguessiana, o?e JSTow. PL xxxiv, fig. 18 . . . . .312 
— — var. gibberula, M'Coy. PI. xxxiv, figs. 19, 20 . . . 313 
Crania quadrata, M'Coy ........ 268 
Cystina, Dav., Remarks on . . . . . . .281 
Discina Craigii, Dav. PI. xxx, fig. 14 . . . . . . 267 
— nitida, Phillips. PL xxx, figs. 12, 13 . . . . . . 2L8 
Lingula Scotica, Dav. Sup., pi. xxx, figs. 5 — 8 . . . . . 265 
— squamiformis, Phillips . . . . . . . 266 
— Thomsoni, Dav. PL xxx, fig. 10 . . . . . . 266 
— sp. ? PL xxx, fig. 9 . . . . . . .267 
Orthis Michelini, i'£'m7/e, and shell structures. PL xxxiv, figs. 15 — 17 . . ' . 292 
— resupinata, Martin ........ 294 
Productus, fSoio., shell structure of . . . . .- . 295 — 302 
— Mr. J. Young's notes on Scottish species . . . . 296 — 301 
Productus aculeatus, iJfar^iw. PI. xxxvi, fig. 10 . . . . . .311 
— carbonarius, de Kon. PL xxxvi, figs. 7, 8 . . . . . 309 
— com^leciens, E. Etheridge, ']\in. PL xxx v, fig. 4 — 13 .... 303 
— GrifBthianus, de Kon. PL xxxvi, fig. 6 . . . . . 308 
