' 1 facets T " » fl »«ened preparation, such ns lhe one w 
course, very much distorted, yet a ^eueral notion f a, , re P rese '’ ted . the compound eyes are, of 
examination of this picture: ° f "" C '’ araCtCT “ f organs may be obtained by an 
The fifth photograph (Negative Nn ztqp 
h00k T zsrr* >nseot with the “ 
segments of the insect, with some of the Ltliar'T’l reprCSentS a portion ° f »“ »{ the abdominal 
Most of the scales have been accidentally brush 1 ff • "!* J 1 “ aS “ ,fled 135 diameters by Beck’s 4-10ths. 
end suckers as well as the edges and ribs of the wi f ‘‘l ® tlUJ Preparati °"' The bod }'. feelers, 
which vary somewhat in *™ Provided with these scales, 
structure. P ° rt, ° DS of th<! creature, but have every where the same general 
The seventh photograph (Negative Vo qm „„„. • % 
segments magnified 1400 diameters by Powell and 1 e 1 T* 5 repreSe “ tS a fcaIe from one of the abdominal 
distinct beaded ribs, terminating in projecting bars h ‘ T"" 1 - 16th ' ^ SCa,e is characterized by 
th0 the doubio ° c ™ lin “ probab,y 
-er insect may be consulted ^ Z ^ Z rf ^ G " a ‘> various works on this 
I have the honor to be, VenZ, ‘° Un ' le ‘' Stan<! ^ straot ” e of the Mosquito. 
Yery respectfully, 
Your obedient servant 
J. J. WOODWARD, 
Assistant Surgeon., U. S. Ann//. 
