Xll 



-FOSSILS FIGURED AND DESCRIBED. 



Narae of 



Formation. 



Locality. 



Page 



Gasteropoda (continued). 



Cer itfiium cf . vulgatum 



Chelyconus mediterraneus 



XJolumbella rustica 



Cyclonema donaldi sp. nov., 



pi. xxxvi, figs. 7-9 



Cyrtolites parvus,\ar. carin atus 



nov., pi. xxxvi, fig. 17 



Eccyliomphalus contiguus, var. 



cambrensis nov., pi. xxxvi, 



fig. 16 



Euspira cf. possagnensis, pi. 



xlvi, fig. 11 



Gisortia gigantea, pi. xlvi, 



fig- 8 



Hehcella tuberculosa, pi. xliii, 



figs. 3-5 



Hygromia sordulenta, pi. xliii, 



figs. 1 &2 



Rostellaria sp., pi. xlvi, fig. 10 . 

 Strombus cf. coronatus, pi. xliii. 



fig. H 



Vasum cf. frequeyis, pi. xlvi, 



% 9 



Post-Pliocene . 



i Gaerfawr Grits . 



1 Trilobite- 



J Dingle Shales. 



! Gwern-y-brain 

 f Shales 



Priabonian 



Post-Pliocene . . 



Priabonian ., 

 Helvetian- 

 Tortonian 



Priabonian 



Benghazi 



N.E. Mont- 

 \ gomeryshire . 



Penbryn Dingle. 



f N.E. Mont- 

 is gomeryshire , 



( 



Cyrenaica 

 ^ Mersa Susa . 

 ) Benghazi... 



Derna district. 

 Cyrenaica 



Gubah 

 Messa 



620 

 621 

 620 



453 



455 



454 



638-39 



640-41 



620 



619 

 640 



626 



641 



Cephalopoda. 



Dimorphoceras (? discrepans) . ^ 

 Glyphioceras beyrichianum , . . 



crenistria | 



davisi 



inconstant 



phillipsi 



reticulatum 



sphcericum 



spirale 



striolatum 



? Nomismoceras spirorbis . 

 Ortlioceras koninckianum . 

 obtusum 



spp. a & (3 



Prolecanites (?) sp 



► Carboniferous.., 



-{ Exeter District 



f 399-400 

 400-401 

 406-407 

 403-404 

 404-405 

 405 

 402-403 



{ 406 

 407-408 

 401-402 

 408 

 409 



409-10 

 410 



1^408-409 



Elasmobranch] 



Ptychodus decurrens, pi. xvii 

 fig. 2, & pi. xix, figs. 20-24 . 



var. depressus, pi 



xvii, figs. 1 a & lb , 



var. lavis , 



var. multistriatus, 



pi. xviii, figs. 12-13, & pi. xix 

 figs. 6, 10, 12, 14 



var. oweni, pi. xviii 



figs. 1-11, &pl. xix, fig. 8.. 



)■ Chalk 



Various . , 



Rochester 



district 



Var 



264-65 



266 

 267 



( 



l 



i 267 

 I 266-67 



