302 MMCELLANEOUS WONDEKS OP NAT®"® 
beginning of spring, however, as soon as the 
«nn rnnlf>cfQ fhpm. flipv rphirn Kflrlr anH ncniU Ar> 
sun molests tliem, they return back, and again 0 '\ 
borders of die springs and lakes, where the fe®!’ 
their eggs j for there, and especially in Lapland, a 
dance of gnats 
they get their 
— insects which live in the "‘'""jjoSt'”, 
vrings — allord them an excellen .,iJ- 
ment. By these migrations, birds become usei 
countries, and are distributed over almost every P' 
globe. 
THE TEEMITE.S, OE WHITE AXT-= 
ck-sf 
Of these very surprising insects naturalists 
species, the largest of which is the tcrmrs 
BELLIGEREST TERMITE. TllC ll'.'StS Ot die.SC ^ 
large handsome pyramids, ten or twelve feet ...jc.:'*’ « 
above the surface of the earth, and as many 
I‘L 
The second species is named the fatal terMIT*” 
of which are likewise of a pyramidal term, hut 
lofty nor e.xtensive a.s the former. Its rav.age'; 
r-' .fW' 
are more fatal, and its punctures more painful auu^ 
The BiTiiVG termite forms the third species, -;1 
its nest in the form of a cylindrical turret, lour fe ^ ^ 
one in diameter. Tlie turret is covered v'lt-' t 
(!;' 
roof, which projects some inches over, W.d- 
building, doubtless to prevent it from being 
ram. The destroyino tekmite constitutes 
sjjccies, and constructs spherical nests round m- 
tree, wliich passes entirely through them. c;jTie‘''''‘,'y' 
The TERMES BELLICOSUS, according to hit- j 
whose account has appeared in the Philosoph 
actions, constructs works which .surpa.ss those 
w.asps, be.avers, and otlicr animals, ••'•’'■t' -'h 
of the most polished European nations cxcv‘ 
regard ' 
least 
cultivated savages. Even with 
i.st works, the boasted pyramids, fall 
ill 
size alone, of the 
- 
str.ich’-rf iir.y 
The labourers among them 
far short, even 
these insects, 
service are not a quarter of an inch 
structures which they erect, rise, as has uL'fil 
served, to the height of ten or twelve ‘ ^it;l> i;®’ 
above the surface of the earth. Supposing t 
man to be six feet, this author calculates, tlx* 
in lent,, 1,61 
already 
