Mr. Miller is instructor in the American Geographical Society's 

 School of Surveying. During the war he served in France with 

 the artillery as lieutenant and acting captain.. His training in sur- 

 veying was under Mr. E. A. Reeves in the School of Surveying of 

 the Roj'al Geographical Society. He has prepared a polar chart 

 and developed a method designed for the plotting of position lines 

 in the polar regions and has also calculated azimuth tables for the 

 Arctic. As leader of the American Geographical Society's Peruvian 

 expedition of 1927 he has conducted surveys m the headwater region 

 of the Maranon River northwest of Cerrode Pasco and in the montana 

 between the Maranon and Pachitea Rivers. He is the author of 

 "An Aid to Triangulation : The Use in Secondary Triangulation of 

 Simple Figures Having an Exterior Pole" {Geogr. Rev., Vol. 15, 

 1925)- 



