THE WEST-AMEEICAN SCIENTIST. 



35 



silvered graduations, the stage 

 and sub-stage are provided with 

 improved centreing adjustments, 

 and its design is evidently the 

 result of a successful attempt to 

 produce an instrument fully equal 

 to the highest class of microsco- 

 pical work. 



Dr. C. P. Bates exhibited an 

 ingenious and efficient "warm 

 stage," for use in the study of 

 "pure cultures" of Bacteria and 

 similar minute organisms. 



After an interesting informal 

 discussion on the merits of the 

 various exhibits, the meeting ad- 

 journed. 



Tetracoccus disicus, Parry, un- 

 fortunately secures the luxury of 

 a synonym in Professor Watson's 

 T. Engelmanni, published only a 

 few days later in contributions to 

 American botany, XII, Proc. Am. 

 Acad, Vol. XX. 



G. W. Lichtenthaler, who has 

 recently visited the Sandwich Is- 

 lands, spent some time collecting 

 at San Diego on his return to 

 Bloomington, 111. 



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