704 



TABULAR LIST OF ORGANIC REMAINS; 



Genus and Species. 



Ptychacanthus ? . . 



Pterygotus problematicus 



Plectrodus mirabilis 



Thelodus parvidens 



Sphagodus pristodontus 



Sclerodus pustuliferus 



Coprolites of Plectrodus, &c 



CRUSTACEA. 



Homalonotus Knightii, Kon 



Ludensis 



Herschelii 



delphinocephalus, (Trime- 



rus delphinocephalus ? Green 



Calymene Blumenbachii, Brongn 



? Downingise 



tuberculata 



■ macrophthalma, Brongn . . . . 



variolaris, Brongn 



? punctata, Wahl 



Asaphus caudatus, Brongn 



tuberculato- caudatus 



sub-caudatus 



longi- caudatus 



Cawdori 



— flabellifer, Stein 



Stokesii 



Powisii 



? duplicatus 



Vulcani 



Corndensis 



Buchii, Brongn 



• Tyrannus 



Tyrannus, var. ornata 



Acidaspis Brightii 



Bumastus Barriensis 



Paradoxides 2-mucronatus 



4-mucronatus 



Illaenus ? perovalis 



Trinucleus Caractaci 



— — — — fimbriatus 



radiatus 



Lloydii 



nudus 



■ Asaphoides 



Ogygia Murchisonise 



Agnostus pisiformis ? Brongn 



Description and Figure 

 in this work. 



Plate and Figure. 



I. 9. and 10. 

 IV. 4 and 5. 



IV. 14 to 26. 



IV. 34 to 36. 

 IV. 1,2,3 & 6. 

 f IV. 27 to 32, 

 \ & 60 to 62 



IV. 46 to 55. 



VII. 1 & 2. 

 VII. 3 & 4. 

 VII. bis. 2. 

 J VII. it*. 3 a, "I 

 I b, ckd. ] 



VII. 5 to 7. 

 XIV. 3 a & b. 

 XIV. 4. 

 XIV. 2. 

 XIV. 1. 

 XXIII. 8. 

 VII. 8 a. 

 VII. 8 b. 

 VII. 10. 

 XIV. 11 to 14. 

 VII. 9. 

 not figured. 

 XIV. 6. 

 f XXIII. 



\ b & c. 



XXV. 8. 



XXV. 5. 



XXV. 4. 



XXV. 2. 

 XXV. 1 a & b. 

 XXIV. 



XIV. 15. 

 / VII. bis. 3 a "I 

 \to d. XIV. 7.J 

 XIV. 8 and 9. 



XIV. 10. 

 XXIII. 7 a & b. 

 XXIII. 1 a to/. 



XXIII. 2. 

 XXIII. Sa&b. 



XXIII. 4. 



XXIII. 5. 



XXIII. 6. 

 XXV. 3 a & b. 

 XXV. 6akb. 



Page. 



597 

 606 



607 



651 



652 



651 



653 

 655 

 656 

 655 



654 



655 

 656 

 655 

 654 

 656 



661 



663 

 662 



658 

 656 

 658 



661 

 659 

 660 



664 



o 



Silurian Rocks. 



Upper. 



3 



S3 



■55- 

 * 



*? 



Lower. 



