DAVIDSON — ON BRITISH CARBONIFEROUS BKACHIOFODA. 
45 
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Catalogue of British Carboniferous Brachiopoda. 
Spirifera Immerosa, Phil., Geol. York., pi. xi., fig. 8, 1836; 
aud Dav. Mon., pi. iv., figs. 15, 16. 
dwplicicosta, PhiUips' Geol. York., vol. ii., pi. x.. 
fig. 1, 1836 ; and Dav., pi. iii., figs. 7-10, pi. iv., figs. 
3-11, = S. furcata, M'Coy, = S. fasciculata, M'Coy. 
planata, Phillips' Geol. York, pi. x., fig. 3, 1836 : 
fig. 
and Dav. Mon., pi. vii., figs. 25, 36. 
triangularis, Martin, Petrif. Derb., pi 
2, 1809 ; and Dav. Mon., pi. v., figs. 16-24. 
trigonalis, Martin, Petrif. Derb., pi. xxxvi., fig. 1, 
1809 ; and Dav. Mon., pi. v., figs. 25-35. 
hisulcata, Sow., Min. Con., pi. ccccxciv., figs. 1, 2, 
1825 ; and Dav. Mon., pi. iv., figs. 1, 2, pi, v., fig. 1, 
pi. vi., figs. 1-22, pi. vii., figs. 1-4, 7 -16, = S. semicir- 
cularis, Phillips, = S. calcarata, M'Coy (not Sow.), 
= S. transiens, M'Coy, = S. grandicosta (?), M'Coy, 
= S. crassa, De Kon., = 8. planicosta, M'Coy, etc, 
convoluta, PhiUips' Geol. of York., vol. ii., pi. ix., 
fig. 7, 1836 ; and Dav. Mon., pi. v., figs. 9-15. 
rliomhoidea, PhiUips' Geol. of York., vol. ii., pi. 
ix., figs. 8-9, 1836 ; and Dav., pi. v., figs. 2-8. 
fusiformis, Phillips' Geol. of York., pi. ix., figs. 
10, 11, 1836 ; Dav. Mon., pi. xiii,, fig. 15. This is a 
doubtful species, 
mesogonia, M'Coy, Synopsis, pi. xxii., fig. 13, 
1844 ; and Dav. Mon., pi. vii., fig. 24. 
distans, Sow., Min. Con., pi. ccccxciv., fig. 3, 1825 ; 
and Dav. Mon., pi. viii., figs. 1-17 and 18 (?), = S. hi- 
carinata, M'Coy. 
cuspidata, Martin, Trans. Lin. Soc, vol. iv., pi. iii., 
figs. 1-4, 1796 ; Dav. Mon., pi. viii., figs. 19-24, pi, ix,, 
figs. 1, 2, = S. suhconicus, Martin. 
triradialis, Phil. Geol. York., vol. ii., pi. x., fig. 7, 
1836 ; Dav. Mon., pi. ix., figs. 4-12, = S. i/risulcata, 
Phil., = 8. sexradialis, PhU. 
Rcedii, Dav. Mon., pi. v., figs. 40, 47, 1857. 
Doubtful species. 
pinguis. Sow., Min. Con., pi, cclxxi., 1820 ; and 
Dav., pi, X., figs, 1-12 ; = S. rotundata, Sow, (not 
Martin), = S. suh-rotundata, M'Coy. 
ovalis, PhiUips' Geol. York., vol. ii., pi. x., fig. 5, 
1836 ; Dav. Mon., pi. ix., figs. 20-26, = S. exarata, 
Fleming, = hemispha^rica, MjCoy. 
integricosta, Phillips' Geol. York., pi. x., fig. 2, 
1836 ; Dav., pi. ix., figs. 13-19, = S. rotv/iidata, Mar- 
tin (?), = paucicosta, M'Coy (?). 
glahra, Martin, Petrif. Derb., pi. xMii., figs. 9, 10, 
1809 ; Dav. Mon., pi. xi., figs. 1-9, and pi. xii., figs. 
1-5, 11, 12, = 8. ohtusa and 8. ohlatay Sow., = 8. lin- 
guifera and 8. decora, PhiUips. 
rhomhoidalis, M'Coy, Synopsis, pi. xxii., fig. 11, 
1844 ; and Dav. Mon., pi. xii., figs. 6-7. 
