If I remember correctly, it is to do with the fact that when he looks at it he finds a spray can for something like lice or some other bug killer. He believes there may be something wrong with the bed, hence why he complains.
Although as it happens, it is to do with the fact that the ranch worker that worked there before was a very clean worker and cleaned himslef reguarly hence why it says later on that he cleaned his hands and feet before and after his meals, and on Sundays he would wear very formal clothing even though he didn't go anywhere, also suggesting that he may have had some religion, which Steinbeck may have used to help set the American 1930's theme...
A dead mouse
George was upset about his bunk because it was lumpy and uncomfortable. He felt like he couldn't get a good night's sleep on it.
The candy suggests that George has lice by mentioning the lice powder on his bunk, implying that George has been using the powder to treat a possible lice infestation. This information may serve as a warning to others to check for and treat lice if necessary.
Angers's population is 157,000.
In the city of Angers in France! :)
University of Angers was created in 1971.
University of Angers ended in 1793.
Luc Angers was born in 1959.
Albinus of Angers was born in 470.
Albinus of Angers died in 550.
Angers Bridge was created in 1839.
Angers Bridge happened in 1850.