﻿xliv LIST OF WOODCUTS. 



Page 

 Fig. 27. Eukeraspis pustulifera. Outline and superficial 



ornamentation of dorsal shield 194 



28. Auchenaspis salteri. Outlive of dorsal shield . . 196 



29. egertoni. Outline of dorsal shield .... 196 



30. Didymaspis grindrodi. Outline of dorsal shield . . 199 



31. 32. Tremataspis schrenki. Outline of dorsal and 



ventral shields 201 



33. Pterichthys testudinarius. Restoration .... 209 



34. Bothriolepis canadensis. Outline of cranial shield . 224 



35. hydrophila. Restoration 230 



36. Dentition of Extinct Dipnoi (Dip terns, Ctenodus, 



Sagenodus, and Palaedaphus) 234 



37. Dipterus valenciennesi. Cranial shield .... 237 



38. valenciennesi. Ventrcd aspect 239 



39. Phaneropleuron andersoni. Restored outline . . . 247 



40. Ceratodus forsteri. Mouth, with dentition . . . 264 



41. forsteri. Lateral aspect 265 



42. Coccostens decipiens. Outline of dorsal and cranial 



shield 279 



43. decipiens. Outline of ventral shield .... 281 



44. decipiens. Restoration 282 



45. Dinichthys terrelli and D. hertzeri. Dentition . . 300 



46. Homosteus milleri. Outline of dorsal and cranial 



shield 307 



47. Rhizodopsis sauroides. Restoration of head . . . 319 



48. Transverse section of Holoptychian (Dendrodont) 



tooth 322 



49. Holoptychius flemingi. Dorsal aspect of head . . 328 



50. (Glyptolepis) leptopterus. Base of dorsal Jin . 335 



51. Strepsodns sanroides. Tooth ........ 350 



52. Onychodus anglicus. Presymphysial bone .... 393 



53. Undina gulo. Restoration 412 



54. Palaeoniscus macropomus. Restoration of head and 



pectoral arch 425 



55. macropomus. Restoration 482 



56. Eurynotus crenatns. Restoration 530 



57. Cheirodus granulosus. Restoration 537 



58. Platysomus gibbosus. Restoration 543 



