FOSSILS FIGURED AND DESCRIBED. 



Name of Species. 



Formation. 



Locality. 



Pac 



Bairdia cf. ampla (?), pi. xxvii, 

 %.4 



Bollia lata 



Ctenobolina cf. ciliata, pi. xxxvi, 

 fig. 6 



Estheria tenella, pi. xxvii, figs. 1 

 &2 



cf. tenella, pi. xxvii, tig. 3 



Jonesella crepidiformis , fig. 9 c 



obscura, fig. 9 a 



Krausella arcuata 



Loxoconcha cyrenaica sp. nov 

 text-fig 



Melanella hemidiscus, gen. et 

 sp. nov., fig. 9 b 



Primitia tumidula 



ulrichi 



Primitiella unicornis, pi. xxxvi, 

 figs. 4 & 5 



OSTRACODA. 



L Coal Measures 



Gwern-y-brain 

 Shales 



Bristol District. 



N.E. Mont- 

 gomeryshire . 



Coal Measures .! { Bristol District 



| N.E. Mont- 

 \ gomeryshire 



Middle Eocene J Derna 



Gwern-y-brain 

 Shales 



1 



! Gwern-y-brain 

 f Shales 



N.E. Mont- 

 gomeryshire 



325 



453 



452 



324-25 

 325 



,151-52 



453 

 660-61 



| 451-52 

 j 452 

 1 452 



I 



^ 452 



Leaia leidyi, var. salteriana,\ 

 pi. xxvii, figs. 5&6 | 



Ppiyllopoda. 

 Coal Measures 



Trilobita. 



Bristol District . 325-26 



Paradoxides 

 Beds 



Agnostus fallax, pi. xxv, figs. 



17a-18 6 



Agraulos (?) holocephalus, pi. 



xxv, figs. 9 a-\ \ c 



sp., cf. quadrangularis,i \ 



pi. xxv, figs. 13, 14, &?15. 



Conocoryphe emarginata, var. 

 longifrons nov., pi. xxiv, | 



figs. 8-13 ; 



Dionide sp. (?), pi. xxxvi, 1 Trilobite-Dingle 



fig. 3 f Shales 



Borypyge lakei sp. nov., pi. xxv,|*] 



figs. 1-8 & text-fig. ...> 



Microdiscus sp., cf. punctatus, 



pi. xxv, figs. 12 a-\ 2 c 



Paradoxides davidis, pi. xxiv, 



figs. 17a, 17b, & 18 



groomii, pi. xxiii 



rugulosus, pi. xxiv, figs. 



14-16 c 



spp. indet., pi. xxiv, figs. 



1-7 o 



Ptychoparia (Liostracus) du- 



bia sp. nov., pi. xxv, figs. 



19a-21 



( ) pulchella sp. nov., 



pi. xxvi, figs. 1 a-2 



( ) sp. indet., pi. xxvi, 



figs. 3a-3 c J 



Trinucleus intermedins sp. 1 Trilobite-Diugle 

 nov., pi. xxxvi, figs. 1 & 2... J Shales 



Paradoxides 

 Beds 



r 



■{ Comley 



I 



L 



Guilsfield 



■{ Comley 



Welshpool 



( 

 291 



j 292 



< 

 292-93 



,286-87 



450-51 



j 287-91 



| 292 



j 285 

 j 283-85 



j 286 



| 285 



I 

 295-96 



293-94 



1^295 

 449-50 



