MOl \ TINC 1\ 5 



time; for bow long \ <!<> not know . but possiblj 



an indefinite time, if doI exp< light." 



••Willi this method of preserving transparent aquatic 

 larvae can be combined tin- staining of them at the same 

 time. For this purpose aniline-blue or fuchsine should be 

 used, which are soluble in water One pari of the color, 

 dissolved in 200 parts of distilled water, is mixed with - 

 parts of the rectified pyroli - acid. Th< his 



operandi is the same. In the course of several hours the 

 objed has become uniformly stained, and can be 

 after the addition of another drop of the acid. If stained 

 i"" dark, a current of the diluted acid will soon remedy 

 this fault." (Proc. Ent. Soc. Washington, i. 101. i 



Transmission, Preservation, and Mounting of Aphides and Similar 

 Insects. <l B Buckton •■ results of hi- o the 



■ transmitting living Aphides, and also the best method 

 killing and preserving similar : ir future examination. 



\ to transmission, the chief thing to be guarded 

 cation, and no plan seems to il a< tli ire in 



ordinary quill- stopped by ph 

 The substance of the quill is sufficiently 



on the cue hand and a rapid evaporation on the othi r In this wa) 

 small Insects mm be sent through the post, and in a far better 

 ditiou than can he secured in any tin boxes, even though tin 

 tilled with leave-. If a -lip of SOIUC -Ueeulctll leaf he roll* '1 round 



each quill, to retain moisture, a bundle will conveniently 

 through the posl 



1 : preservation (other than on a slide) the best plan i- t«. drop the 

 mall flattened glass tubes partially filled with a suitable 

 liquid, then draw the tube to a fine point, break the end ofl 

 warm the emptj or, better, expel the air l>\ a pui i the 



tube can l>e entirely tilled with liquid, and linn with the 



blow-pipe. 



For mounting microscopically, live or a d< 

 ada balsam should be dotted on a slide from the head ■ 

 by n ■ a hair-pencil a- many living ins< them. 



•• The specimens at once adhere, and if the spots 

 spread out their limbs naturally, with a view Riey may 



be fixed on their backs or otherwise, according 



v ven ihin glass cover, or. if \. ry high i 

 wanted, a small dii-k of clear mica, is laid over 



