Jolt 31, 1885.] 



KNOWLEDGE ♦ 



sorts of ambushes in the nfighlxmrhoDil cf n 'Ic m1 r;iri'ii'; 

 almost before they are made. The iir ' ' ■ ]\'i^i"'\< 

 above the level of the .sea, so it's littli- u^ m ; ■ ' i 

 in the mountains. They are trappeil . .c , i ;; ; n ^ , i.ip 

 .some are poisoned, but as a rule the buMiie.s.s doesu t pay 

 aud the condors increase in number.'' 



" How do you manage it ! " he was asked. 



■' By playing off .siek. .\l.ing tli.' coast there are grea 

 St^retehes of sand, without Tegct:il inn. wliirli nn- |iiril(iu 

 to €ross at all times, because df t lir InMt ;iii'l iIm' Inilu'lit' 

 of getting lost. It was my jiliin to .-i:ii-t nut ;ii iii--lit 

 well provided with water, ami s. . !, ;i lA.irr :iih1< i- n l.i-. 

 rock, where I could timl si, rim,-, ;,,,.! i,. uln-l, 1 .-uL 

 return by landmarks. A( iMi-M:<\ 1 \\-iull siii nut ii 

 tho broiling sun, walkiii..^ bri>kly'. awI a.s. ri l.in- :■ l:.iv 



and then get up and stagger on again, keeping a gooi 

 look-out for the birds all "^the time/le.st one should sud 

 denlydropon me from behind. It would takr a ver; 

 .short time to bring tlieni sw... ,|.in ■ urn:,!;,!, wiiiiML'h 

 the death of what tliry mim ^ i . ,- 



traveller. Many a imnr fnlliiv, \ i ;i . i. ii : 



on these sands and ^beeii torn i-i pierce 1. ^rn In' \\ ; 

 dead. 



" Wlien I found them getting thick I'd back up agains 

 a rock and throw stones at them and shout as if I wa; 

 wild with fear, and the great vultures -would gathe 



. lo.i 



PLEASANT HOURS WITH THE 

 MICROSCOPE. 



By Henry J. Si.a.k, F.G.S., F.R.:M.S. 



i are the chief > 



temperature con^ 

 persons who 



ipment of miruto 

 Ms. All these, 

 1 iun are lumped 

 lu- vvb to blight 



■■:-,,.;.., without 

 •ision to 



.Mi.ss Om 



Ins ..fpla. 



the currant-bush 

 • bubbles. These 



many inches fif tim ~i ; r, ; ' 



promised a mi ■- n, ■ , , , 



all its leaves, < n n n 



fested with Imln :>|.l:n nn. n ; , I 



bo .seen. .\t auntlirr lii.ir tli. 



noticeable on the uppm- Mirfji'n ( 



house plants, ..r forest ttv,., but 



with honeydew, and plaut-licc nf 



1)0 found underneatli. On anothc 



of a pear-tree will be coated with brown sriiln, li . ■ 



minute mussel-shells, or an apple-treo may sliin\ liiil( 



tufts of hairy substance like cotton wool, iudietiling the 



])resenco of coccida), commonly called bugs. 



Tho so-callod " blight " often takes the form of cater- 

 pillars, or may be only the effect of a cold dry east 

 wind fiiUowiiig (juiekly upon a warm, nioLst, south one, 

 a.nd shriv..|liug up tlie leaves. If the air i.s muggy, the 



1- and applied lo the p 

 watering-pot or syringe. 



>witll 



The 



to hurt rosebuds or 



Tlie Unu^h I 

 described in 

 tera." All ( 

 and also the ' 

 upon 



snout, containinj^ .very fine bristles, representing the man- 



