AS University Geological Survey of Kansas. 
we intertwine the strands of a three-ply braid. In a similar 
manner his Well Rock series, numbered 167 to 177, inclusive, 
‘is made to cover an area from as low as the Marais des Cygnes, 
in Miami county, to as high a position as the Oread in the 
vicinity of Lawrence, representing a vertical distance of more 
than 400 feet. 
In the following pages, wherever possible, the nomenclature 
of Swallow has been followed, and thereby as much attention 
given to the laws of priority as seems possible. But, contrary 
to our desire, we have been forced to substitute names in the 
place of many used by Swallow on account of the great en- 
tanglement into which he was led, due, of course, as above 
stated, to his lack of opportunity. _ 
Prof. G. C. Broadhead, of Missouri, has been an active 
worker in geology for nearly half a century. He was a mem- 
ber of the Missouri Geological Survey in 1872, and published 
a long and valuable report on the Coal Measures of Missouri. 
Naturally this brought him in contact with Kansas geology, 
and much of what he wrote of Missouri is applicable to Kan- 
‘sas. 
In the Missouri Survey Report for 1872, beginning on page 
88, Broadhead gives a “General Vertical Section of Upper 
Coal Measures Rocks Below the Atchison County Group.” Fol- 
lowing the custom of his time he gave numbers to each in- 
dividual horizon, beginning at the top with number 224, and 
closing at the bottom of the section with number 72. The 
remainder of the list from 72 down to 1 is found elsewhere 
in the report, given as a section of the Middle Coal Measures 
and Lower Coal Measures. Broadhead occasionally gave 
names to these different formations, but as a rule simply gave 
a short description of them without suggesting a name. In 
treating the subjects he discussed, therefore, it is difficult not 
to ignore the few names he did suggest, on account of his 
lack of system in giving descriptions. 
Professor Broadhead also published many reports and short 
papers elsewhere. He probably knew more details regarding 
the geology of eastern Kansas and western Missouri than any 
other person up to the date of the organization of recent State 
Surveys in these two states. It is difficult to find any phase of 
geology connected with eastern Kansas and western Missouri 
upon which he has not touched. } 
Prof. B. F. Shumard did little, if any, actual work in Kan- 
