APPENDIX 267 



120. "On a Piece of Chalk" (op. cit., 1868. Coll. page 

 Essays, viii, p. 1) 87-8 



1 a 1. "On the Physical Basis of Life" (Fortnightly 



Review, 1808. Coll. Essays, i, p. 130) . . 88-9 



122. "The Scientific Aspect of Positivism" (op. cit., 



1869). 



123. "Remarks upon Archaeopteryx lithographica " 



(Proc. Roy. Soc, xvi, pp. 243-8. Sci. Mem., 



iii, xviii, p. 340) ...... 89 



1 24. " On Saurosternon Bainii and Pristerodon M'Kayi, 



two New Lacertilian Reptiles from South 

 Africa" (Geol. Mag., v, 1868, pp. 201-5. Sci. 

 Mem., iii, xiv, p. 298) ..... 89 



125. "On the Animals which are Most Nearly Inter- 



mediate between Birds and Reptiles" (op. cit., 

 v, 1868, pp. 357-65. Sci. Mem., iii, xv, p. 

 303) . • . . . . . .89 



1 26. " On the Formation of the Cranium among the 



Patagonians and the Fuegians, with Some Re- 

 marks upon American Crania in General " (J. 

 Anat. and Physiol., ii, 1 868, pp. 253-71. Sci. 

 Mem., iii, xvi, p. 314) ..... 90 



127. "On Some Organisms Living at Great Depths in 



the North Atlantic Ocean " (Q. J. Micros. Sci., 

 New Ser., viii, 1868, pp. 203-12. Sci. Mem., 

 iii, xvii, p. 330) . . . .90 



1 28. " On the Classification and Distribution of the 



Alectoromorphae and Heteromorphae " (Proc. 

 Zool. Soc, 1868, pp. 294-319. Sci. Mem., iii, 

 xix, p. 346) .90 



1 29. " Scientific Education : Notes of an After-dinner 



Speech" (Macmillan's Magazine, 1869. Coll. 

 Essays, iii, p. 111) . . . . . . 90-1 



130. "The Anniversary Address of the President" 



(Geological Reform) (Q. J. Geol. Soc, xxv, 

 1869, pp. xxviii-liii. Sci. Mem., iii, xxm, p. 

 397. Coll. Essays, viii, p. 305) . . . 94-5 



131. "On Hyperodapedon " (op. cit., xxv, 1869, pp. 



138-52. Sci. Mem., iii, xx, p. 374) . . 95 



132. " On a New Labyrinthodont from Bradford" (op. 



