When massed together on the stones and rocks tlic\ look at a 
short distance remarkably like a waving mass of dark brown or 
blackish algae or moss; but this resemblance is much less marked in 
colonies attached to the leaves and stems of plants. 
The larva, when at rest, attaches itself to a fixed object by means 
of its anal sucker, standing in a semi-erect position (fig 8) with its 
head pointing down stream; but in very rapid rivulets the bods 
lies almost prone with the object upon which it rests, or the 
extremities may be brought together so that the hods forms a distinct 
c 
R. N. <M. 
a 
* J t> 
9 * apnendapes /// p / vi'ia W f r, ' atum 1 a - head of larva with the fringed 
'• portions of x u 4 ° ’ ** Ringed append >ed{ 
l ^ ^l^v*** uteral x SI, 
characteristic nodes (enlarged). S,lke " threads showin * ,he 
w,°th ispr °, vided with a of beautiful fan-1, ke process 
Unlike the 1 6 ““"c* 1 SWeepS particles of fo°d into Us .nil 
s ~i ^JTZ mOSquitoes the y have little or no power c 
progression stm^ m ' enUns from P lac e to place, their method c 
of the geometrid gy , , i? 5embleS * hat ° f the larvae or loo P er raterpiUai 
^eadf”ran S dir ± theyPr ° grCS " f^m place places,Ik, 
along which thev ° nS ’ 0rmm £ an irregular web or networ 
N ;! th . great — When forobly dh 
distances varying- f r t Ct S imme diately float down stream t 
by a slender silken thread^ 0 ^ UrtGen ,nches * suspending themselve 
’ res 1 y s P un » or by the network of thread 
