392 HANDBOOK OF LEARNED SOCIETIES 



28. A revision of the atomic weights of sodium and chlorine, by T. W. 



Richards and R. C. Wells. 1905. 8. SGC. 



29. The color sensitivity of the peripheral retina, by J. W. Baird. 1905. 



8. soc. 



30. Stages in the development of Slum cicutaefolium, by G. H. Shull. 1905. 



8. 2 5 c. 



31. The isomorphism and thermal properties of the feldspars, pt. I, Thermal 



study, by A. L. Day and E. T. Allen, pt. 2, Optical study, by J. P. 

 Iddings. With an introduction by G. F. Becker. 1905. 8. $1.75. 



32. Chimaeroid fishes and their development, by Bashford Dean. 1906. 4. $4. 



33. Researches in stellar photometry during the years 1894 to 1906, made 



chiefly at the Yerkes observatory by J. A. Parkhurst. 1906. 4. $2. 



34. American fossil cycads, by G. R. Wieland. 1906. 4. $6.25. 



35. Investigations of infra-red spectra. Part I Infra-red absorption spectra. 



Part II Infra-red emission spectra. By W. W. Coblentz. 1905. 8. 

 $1.75. (Continued in no. 65, 97.) 



36. Studies in spermatogenesis, pt. 1-2, by N. M. Stevens. 1905-06. 8. 



25c. each. 



37. Sexual reproduction and the organization of the nucleus in certain mil- 



dews, by R. A. Harper. 1905. 8. 75c. 



38. Writings on American history, 1903. A bibliography of books and articles 



on United States history published during the year 1903, with some 

 memoranda on other portions of America. 1905. 8. $i. (Continua- 

 tion of Richardson and Morse, Writings on American history, 1902. 

 Princeton, 1904.) 



39. Handbook of learned societies and institutions. America. 1908. 8. 



40. The nucleation of the uncontaminated atmosphere, by Carl Barus. 1906. 



8. $i. 



41. Traditions of the Caddo ; collected by G. A. Dorsey. 1905. 8. SDC. 



42. A respiration calorimeter with appliances for the direct determination of 



oxygen, by W. O. Atwater and F. G. Benedict. 1905. 8. $1.25. 



43. Heliographic positions of sun-spots observed 1860-1870, by C. H. F. Peters; 



ed. by E. B. Frost. 1907. $2.50. 



44. Researches in experimental phonetics. The study of speech curves. By 



E. W. Scripture. 1906. 4. $2. 



45. Catalogue of stars within two degrees of the North pole deduced from 



photographic measures made at Vassar college observatory by Caroline 

 E. Furness. 1905. 8. 5oc. 



46. An investigation into the elastic constants of rocks, more especially with 



reference to cubic compressibility, by F. D. Adams and E. G. Coker. 

 1906. 8. $1.75- 



47. Rhythmical pulsation in Scyphomedusce, by A. G. Mayer. 1906. 8. 50C. 



48. An investigation of evolution in chrysomelid beetles of the genus Lep- 



tinotarsa, by W. L. Tower. 1906. 8. $3.25. 



49. Heredity of hair-length in guinea-pigs and its bearing on the theory of 



pure gametes, by W. E. Castle and A. Forbes. The origin of a poly- 

 dactylous race of guinea-pigs, by W. E. Castle. 1906. 8. 250. 



50. The relation of desert plants to soil moisture and to evaporation, by B. E. 



Livingston. 1906. 8. 4OC. 



