128 KANSAS ACADEMY OF SCIENCE. 



was my chief assistant in the field. He discovered many of the best 

 specimens we collected, and his skill in handling the large panels we 

 took up showed great forethought. He loaded my large collection on 

 the car and stayed with it until it was safely delivered in my workshop 

 at Lawrence. Mr. W. A. Anderson, whom I hired in the field, proved 

 an efficient helper. I close with an invitation to you all to visit me 

 in my laboratories and examine some of the ancient inhabitants of 

 Kansas. 



