Notes and News. 231 
double st ned by Ros Seca: which will be described in the next 
art of Co n’s Beitrage zur Biologie der Pfl n. Un his treat- 
ment the ees of the spermatozoa are colored intense blue, while 
the plasma and nucleus of the egg ane are red. e see possibilities 
of in determining the nologies of the embryo sac 
structures by this process. iyo tee s paper is only preliminary to 
fuller Seethes and public 
THE FIRST REPORT Sika. director, bie, F. H. Snow, of the 
co) 
romote and co experiments for ae destruction of chinch-bugs 
y contagion or infection,” has recently been issued, and Se 
octavo volume of 230 pages, with plates an ere are three 
ct . mo The? fin 
weather and the bacterial disease in dry weather. In 1891 three- 
fourth of the once to art ificially carry infection were successful. 
Reports were received from s408 farmers 
shad d with those which require full exposure to npn 
Fo, been Sehgal by Adolf Mayer (Landw. Vers , XL, 203) 
or one class he used house plants, “as Tradescantia zebrina and 
a sarmentosa, and for other class field plants, such as rye 
é e leaves of th se plants took uch less oxygen in the same 
ete than those of the field plants as compared either with their living 
abana ty weight thi concludes that plants which 
Rien. M Raarz eas and figures, in the oe der ee 
Gesellscha aft x. 183, the tyloses w which he has s discovered 
ial divis; Ag only in the wood near a woun the energetic 
boring oun, of the cambium to cover a wound wa to the neig 
Stanford ope KINS SEASIDE LaBoraTory, a department of the Lela = 
Will hold it niversity, has been located at Pacific Grove, California, an 
€ pre ts first session of ads weeks, commencing June 27th, during 
Sent summer. Pacific Grove is a sea-side resort on ge oe 
sea 
