igo6j MJTCIIELI— MOUTH PARTS OF MOSQL !J0 LARI AT 
>5 
Palpus, 
Not large, distinct,' Xot large, distinct, Top about even with 
cylindrical, somewhat cylindrical, top flat, top of maxilla, very 
constricted about mid-, with 4 very large and 2 slightly rounded, with 
die, top rounded irregu- small, blunt spines ( 2 4 large spines and 2 or 
larly, 4-5 short, blunt of the large spines 3 Hat, sub-triangular 
s[)ines, reaches H-l'z 
top. 
sharp, 2 blunt ; does 
not reach over to 
top of cone. 
]dates articulated by 
the apex of the trian- 
gle; with a deep sinus 
between its upper )>art 
and the body of the 
maxilla ; the lower part 
rounded and projecting 
below base of body of 
maxilla; upper part a 
truncate cone. A large, 
tree-like hair from a 
papilla on lateral aspect. 
Ship of chitin. 
Narrow, very heavy, 
About the same as 
None. 
from top of cone to; it^ 1- 
base, slightly curving! 
from palpus as it ap-; 
j)roaches base and con-' 
tinning into the heavy' 
rim of chitin at base. ' 
Ppiues> 
'I'wo, stout, more or 
less blunt, from pa}nl- 
lae next to above chiti- 
nous strip on same side 
as palpus aiul about on 
a level with its to**;! 
their points usually 
reaching across strip of 
chitin. 
Very short, on the 
farther side from pal- 
pus of an imaginaryj 
line parallel to i)alpus 
and dividing body of 
maxilla in half, and on 
I the upper half of the 
1 side. 
I’resent. very large, 
slightly removed from 
strip. 
IV. 
of cephalic edge in 
Meiiarlwius. 
1‘rojects above body 
of maxilla; l)luntly 
rounded at apex in 
Mega)hmu% \ truncalein 
Psorophora ; with four 
stubby spines; spring- 
ing direct from top of 
maxilla in Psorophora, 
from the base in Mcgar- 
himts, being much lar- 
ger therefore in the lat- 
ter; cylindrical. 
None. 
In Megarbimis the 
spines are near top on 
the side of the emargi- 
nation nearest the 
palpus; in Psorophora 
they are near the top 
on the third of the 
body of the maxilla far- 
thest fronv the juilpus. 
