334 Trans. Acad. Sci. of St. Louis. 



Engineering, etc., continued. 



Waldo, C. A. [The London tubes]. 20 : xxviii 

 Woodward, C. M. Air-ship propeller problems. 18 : 1-10 



[The mechanical problems of the air ship]. 17 : xxxiii, xlix, 1 



[The theory of an air propeller with haelicoidal blades]. 20 : 



xxviii 



Entomology.— See Biology. 



Ethics. 



Sheldon, W. L. A bird's-eye view of the literature of ethical science 



since the time of Charles Darwin. 13 : 87-142 

 [The progress in the science of ethics since the publication of 



Darwin's ** Descent of Man " in 1871]. 13 : xxviii 

 Ethnology.— See Archaeology. 

 Folk-lore.— See Language. 

 Geology, palaeontology. 



Bagby, J. [Natural and artificial springs and pools of the Ozarks]. 



16 : cxviii 

 Branson, E. B. The fauna of the residuary Auburn chert of Lincoln 



County, Missouri. 18 : 39-52. pi. 7 

 Buckley, E. R. [The work of the Missouri State Bureau of Geology 



and Mines]. 12 : xxii 

 Gammon, E. A. [Fossils from Water Works Knob in Columbia, Ten- 

 nessee]. 16 : cxxiii 

 Drushel, J. A. Studies in glacial geology in Saint Louis and vicinity. 



20 : 27-36. pi. 13-17 



[The glacial drift under the St. Louis loess]. 18 : xxvii 



Evers, E. [Report of a visit and exploration of a cave in Crawford 



Co., Mo., four miles from Leasburg, called the Onondago Cave]. 



16 : cxxi 

 Hambach, G. Revision of the Blastoideae, with a proposed new 



classification, and description of new species. 13:1-67. pi. 1-6 

 Hurter, J. [A trip through Marble Cave in Stone Co., Mo.]. 16 : cxxi 

 Keyes, C. H. The Guadalupan Series: and the relations of its dis- 

 covery to the existence of a Permian section in Missouri. 19 : 



123-129 

 Klem, M. J. A revision of the palaeozoic Palaeechinoidea, with a 



synopsis of all known species. 14 : 1-97. pi. 1-6 

 Marbut, C. F. [The advance made in geology during the nineteenth 



century]. 11 : xxix 

 McCourt, W. E. [Darwin's influence upon geology]. 18 : 1 

 [Geological formations of Onondago Cave, near Leasburg, Mo.]. 



18:lx 



[The unfolding of the map of the world]. 19 : xxxiii 



Palmer, E. J. Flora of the Grand Falls chert barrens. 19 : 97-112 



Waldo, C. A. [What a volcano is doing]. 18 : xlv 



Weller, S. Kinderhook faunal studies. III. The fauna of beds No. 8 



to No. 7 at Burlington, Iowa. 11 : 147-214. pi. 12-20 

 Kinderhook faunal studies. IV. The fauna of the Glen Park 



limestone. 16 : 435-471. pi. 6-7 



