48 



FISH AND GAME COMMISSION 



ring outbreaks of disease in the deer population of the State. Articles 

 are now being prepared by him on this phase of his work and in addi- 

 tion thereto he has maintained a constant vigil on the sanitary and 

 disease angles of our trout hatcheries and game farms. 



Hobmaier, M. Duck disease caused by tbe poison of the bacillus botulinus. 



California Fish and Game, Vol. 16, No. 4, pp. 285-286. October, 



1930. 

 Hobmaier, M. Duck disease caused by the toxin of Clostridium Botulinus C. 



Proc. of the Soc. for Exper. Biol, and Medic, Vol. 28, No. 5303, pp. 339- 



340. 1930. 

 Hobmaier, M. Conditions and control of botuli (duck disease) in waterfowl. 



California Fish and Game, Vol. 18, No. 1, pp. 5-21. January, 1932. 



. ™ f-J- : \ 



4 U i )   f' 



Fig. 10. West portion of vineyard near wild land with groups of vines eaten back 

 or killed by deer. Vineyard of Guiseppe Luchesi, northwest of Yountville, 

 Napa County, California. Photo by T. I. Storer, October 11, 1930. 



During the biennium, it is believed that a great amount of good 

 has been accomplished by the educational branch of the bureau, as 

 well as the research workers. However, there is a large field as yet 

 untouched and progress is expected in many lines during the succeed- 

 ing biennium. 



