BEHAVIOR OF STOCK AND INBRED ALBINO RATS 



269 



was that described by Yerkes and Kellogg.' 1 A similar method 

 has also been used by Miss Hubbert. 5 



In our work the path through the maze was somewhat modi- 

 fied from that used by Miss Hubbert, as indicated in the ac- 

 companying figure 1. Instead of turning alternately to the 

 right and then to the left as in the Johns Hopkins maze, in our 

 maze a rat must turn R, L, R, R, L, L, R in order to traverse 

 the maze correctly. This may have increased the difficultness. 



Figure 1. — Maze. 



Direct path ; Path with three errors. 



4 Yerkes, R. M. and Kellogg, C. E. A graphic method of recording maze- 

 reactions. Jour. An. Behavior, 1914, 4, 50-55. 



5 Hubbert, H. B. Time versus distance in learning. Jour. An. Behavior, 1914, 

 4, 60-69. 



