Z O O L () G I C A I, S () C I E T Y B U LLE T I N 



CONTENTS FOR JANUARY, 1913. 



PAGE 



Wild Equines in the Zoological Park Henry Fairfield Osborn. 941 



The Massasauga in New York Edwin T. Whiffen. 949 



Seasonal Changes in the Form of the Rocky Mountain Sheep 



Carl Rungius. 950 



The Flying Lemur C. William Beebe. 952 



Lumpy-Jaw in Big-Horn Sheep W. T. H. 954 



Carl Hagenbeck 954 



Our African Expedition 955 



A Great Painting 955 



The New Zebra House Raymond L. Ditmars. 958 



Zoological Park Notes: 



Experiments with Serpents 952 



Pygmy Hippo 9.54 



Sagacity of Monkeys 956 



Yak Shelter 957 



African Beetles 957 



A Hint of the Tropics 957 



Xew Rodents 956 



Signs of Winter 956 



Restaurant Improvements 957 



Two Litters of Fer-de-I.ance 957 



Ferocity of the King Cobra 957 



Panoramic Backs for Cages 958 



New Mountain Goats 958 



