LIST OF CONTRIBUTORS. 99 



Leidy, Joseph. Continual. 



Notices of some tape worms. 1' '55, 44:{ 



On Ilaematozoa from the hearl of a dog. 1* '56, 2 



Description of two ichthyodorulites. P '56, 11 



A synopsis of Entozoa and some other eeto-congeners ob- 

 served by the authors. P '56, 42 



Notices of some remains of extinct Mammalia recently dis- 

 covered by Dr. F. V. Ilayden in the Bad Lands of Nebraska. 

 P '56, 59 



On remains of a seal. P '56, 62 



Notices of remains of extinct reptiles and fishes discovered 



by Dr. F. V. Ilayden in the Bad Lands of the Judith River, 

 Nebraska territory. P '56, 72 



Notices of remains of extinct Mammalia discovered by Dr. 



F. V. Ilayden in Nebraska territory. P '56, 88 



— Notice of the remains of a species of seal from the Post 

 Pliocene deposit of the Ottawa River. P '56, 90 



— Notices of several new genera of extinct Mammalia previously 



less perfectly characterized. P '56, 91 



— On the organization of the Academy of Science in St. Louis. 

 P '56. 102 



— On the effect of cold on animals. P '56, 105, 161 



— On Dicotyles. P '56. 140 



— On the perforation of Mollusca by C lion a. P '56, 162 



— On the eyes of the katydid. P '56, 162 



— ■ Notice of some remains of extinct vertebrated animals. 

 P '56, 163 



Notices of remains of extinct vertebrated animals of New 

 Jersey collected by Prof. Cooke of the State Geological Survey 

 under the direction of Dr. W. Kitchell. P '56, 220 

 - Notices of remains of extinct vertebrated animals discovered 



by Prof. E. Emmons. P '56, 255 



— ■ Notice of some remains of fishes discovered by Dr. John E. 

 Evans. P '56, 256 



— Notices of the remains of two species of seals. P '56, 265 



— Remarks on certain extinct, .species of fishes. P '56, 301 



— Notices of remains of extinct turtles of New Jersey collected 



by Professor Cook, of the State Geological Survey, under the 

 direction of Dr. Kitchell. P '56, 303 



— Notices of extinct Vertebrata discovered by F. V. Hayden 

 during the expedition to the Sioux country, under the command 

 of Lieut. G. K. Warren. P '56, 311 



