47. TheG 



294 pp. ,64 pis., 



48. Additi 



No. 11): by a I 

 Edgar Burton 

 Hubert Earnes 

 Woodward, A. 



10. Public 

 Buttrick, M.F. 



50. Fourt 

 Geological and 



51. The IV 

 14 figs., 23 cm. 



52. Fiftee 

 cal and Nature 



53. The ] 

 33 pis., 19 figs 



54. The! 

 pp., 12 pis., 21 



55. The 

 by Lincoln Si 



56. Mar 

 M.A.; 56 pp., 



57. The 

 4 figs., 23 cm. 



58. The 

 Wheeler; 73 i 



59. Sixt< 

 of the State 

 23 cm., 1937. 



