TECHNICAL NOTES AND BIBLIOGRAPHY 23 1 



30. Chamberlain, T. C. On the habitat of the early 

 vertebrates. Journal of the Geology Society, 8: 300. 

 1900. 



31. Denison, R. H. a review of the habitat of the earli- 

 est vertebrates. Fieldiarm (Geology), 2: No. 8, 

 August 1956. 



32. Gregory, W. K. The roles of motile larvae and fixed 

 adults in the origin of the vertebrates. Quarterly Re- 

 view of Biology, 21: 348. 1946. 



33. Gregory, W. K. Evolution Emerging. Macmillan 

 Company, New York, 1951, two volumes. 



34. Gregory, W. K., and H. C. Raven. Studies on the 

 origin and early evolution of paired fins and limbs. 

 Annals of the N. Y. Academy of Sciences, 42: 275. 

 1941. 



35. Henderson, L. J. The Fitness of the Environment. 

 An Inquiry into the Biological Significance of Mat- 

 ter. Macmillan Company, New York, 1913. 



36. MacFarlane, J. M. The Evolution and Distribution 

 of Fishes. Macmillan Company, New York, 1923. 



37. Marshall, E. K., Jr., and H. W. Smith. The glo- 

 merular development of the vertebrate kidney in re- 

 lation to habitat. Biological Bulletin, 59: 135. 1930. 



38. Neal, H. v., and H. W. Rand. Comparative Anat- 

 omy. P. Blakiston's Son & Co., Inc., Philadelphia, 

 1936. 



39. Robertson, J. D. The habitat of the early verte- 

 brates. Biological Reviews, 32: 156. 1957. 



40. RoMER, A. S. Eurypterid infiuence on vertebrate 

 history. Science, 78: 114. 1933. 



41. RoMER, A. S. Vertebrate Paleontology. Second edi- 

 tion. University of Chicago Press, 1945. 



42. RoMER, A. S. The early evolution of fishes. Quar- 

 terly Review of Biology, 21: 33. 1946. 



43. RoMER, A. S. Fish origins— fresh or salt water? Pa- 

 pers in Marine Biology and Oceanography, p. 261. 

 Pergamon Press Ltd., London. 



