INDEX, VOL. VIII. 



Pachyrhizodus minimus, a new species of fish from the Cretaceous of Kan- 

 sas, by Alban Stewart 37 



Pelecypods, new and little know^, from the Coal Measures, by J. W. Beede 



and Austin F. Rogers 131 



Posidonomya ? pertenuis, n. sp 127 



Posidonomya ? recurva, n. sp 126 



Projective transformation of the plane, five types of 43 



(Type 1, 44; type 2, 48; type 3, 52; type 4, 56; type 5, 59.) 



Prosser, Charles S. , article by 135 



Protosphyrwna gigas, n. sp 110 



Pseudomonotis from the Upper Coal Measures of Kansas 79 



Pseudomonotis hawni 83 



hawni equistriata, n. var 82 



Pseudomonotis ? robusta, n. sp 82 



Pseudomonotis (?) tenuistriata, n. sp 81 



PSeudo-perna, n. gen .... 95 



attenuata, n. sp 97 



orbicularis, n. sp 97 



rugosa, n. sp 96 



torta, n. sp 96 



Rice, M. E. (and A. St. C. Dunstan), article by 85 



Rogers, Austin F., articles by 105, 183 



Rogers, Austin F. (and J. W. Beede , article by 131 



Sagenodus, a new species of, from the Kansas Coal Measures, by S. W. Wil- 



liston 175 



Sangenodus copeanus, n. sp 178 



Saurodontida? Cope, remarks on 107 



Scientific publications by members of the University of Kansas, bibliography 



of 138 



Solenomya parallela, n. sp 131 



trapezoides 132 



Somphospongia, n. gen 128 



Somphospongia multiformis, n. sp 128 



Stewart, Alban, articles by 19, 37, 107, 117 



Tetracaulodon (Tetrabelodon) shepardii Cope, article on, by George Wagner, 99 



Types of projective transformation of the plane, by Henry B. Newson 43 



University of Kansas, bibliography of scientific publications by members of, 138 



Wagner, George, article by 99 



Williston, S. W., articles by 39, 113, 175, 185 



Yellow helium line, note on, by A. St. C. Dunstan and M. E. Rice 85 



Yoldia glabra, n. sp 1,33 



Zinc sulphate, a new variety of 105 



Xiphactinus brachygnathus, n. sp 107 



Xiphactinus Leidy, a preliminary description of the opercular and other 



cranial bones of 19 



