362 REVIEWS 



Considerable attention is given to the construction and serviceabil- 

 ity of various kinds of wooden flumes, and their development from the 

 simpler and cruder forms to the expensive but more satisfactory 

 flumes and pipes. There is also a section devoted to the discussion 

 of the cast iron pipes, their history in irrigation, durability and 

 cost. 



Copious illustrations and diagrams accompany the report and 



materially add to its value. As the extent of arid land in the United 



States is so vast, fully two thirds of its area, and includes some of the 



richest agricultural land on the globe, this information regarding the 



methods and growth of irrigation will be welcomed. 



G. B. H. 



The University Geological Survey of Kansas. Volume IV, Paleon- 

 tology, Part II. By Samuel W. Williston, Paleontologist. 



This part two of the paleontology of Kansas is devoted to the des- 

 cription of the Carboniferous invertebrates and the Cretaceous fishes. 



The Carboniferous invertebrates, from the Protozoa to Pelecypoda 

 inclusive, have been discussed for the report by Dr. J. W. Beede. All the 

 species have been fully described, so that the report will be a valuable 

 manual for the study of Upper Carboniferous or Coal-measure inverte- 

 brates. Not since Meek's report on the Coal-measure faunas of east- 

 ern Nebraska, published in 1872 in the final report of the U. S. Geo- 

 logical Survey of Nebraska, has there appeared so comprehensive a 

 report of the faunas of this age, and the report will be of great value 

 to all workers in Upper Carboniferous paleontology whether in Kansas 

 or elsewhere. The paper is illustrated by twenty-two plates. The 

 completion of the report, including the treatment of the additional 

 classes of invertebrates, is promised for the next part of the Paleon- 

 tology of Kansas to be published by the Survey. 



The literature on the Cretaceous fishes of Kansas has been widely 

 scattered in the past, much of it having been published in Germany 

 from collections secured from Kansas for the museums of German 

 univerities, and has been for the most part inaccessible to American 

 students who have not had access to large libraries. In the present 

 report the Selachians and Pycnodonts have been treated by Dr. S. W. 

 Williston, and the Teleosts by Mr. Alban Stewart. These two papers 

 together constitute a comprehensive report of the Kansas Cretaceous 



