J6 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
hv.i. 
Bristles of third vein. 
jsl. 
Juxtascutellum (scutellar 
hvfa.i. 
Anterior ventral row of 
bridge). 
bristles of middle femur. 
I. 
Lamellae of fourth ventral 
bifp.j. 
Posterior ventral row of 
plate. 
bristles of middle femur. 
Ic. 
Lower (posterior) calypter. 
bvl. 
Lateral (outer) vertical 
leo. 
Lower eye orbit. 
bristles. 
Ip. 
Lateral process of penia 
bvp. IV. 
' Brush ' of fourth ventral 
head. 
plate. 
mcs. 
Mesocoxal spur. 
c. 
Cheek. 
mcx. 
Mesocoxites. 
cb. 
' Comb.' 
mp. 
Median process of penia 
ce. 
Compound eyes. 
head. 
ch. 
CiUa of back of head. 
mple. 
Meropleurite. 
cl. 
Claws. 
msu. 
Mesopleural suture. 
cm. 
Connecting membrane. 
mt. 
Mediotergite. 
cpo. 
Cilia of posterior orbit. 
mtc. 
Metacephalon. 
cs. 
Cervical sclerites. 
mtem. 
Meta-epimeron. 
csp. 
Costal spine. 
mtes. 
Meta-episternum . 
ex. 
Coxa. 
mtn. 
Metanotum. 
d. 
Dorsal limit of anal area. 
n. 
Notum. 
dc. 
Discal cell. 
ns. 
Anepistemum (by error in 
e. 
Epaulet (tegula). 
PI. 3, fig. 18). 
em. 
Empodium. 
nsu. 
Notopleural suture. 
epc. 
Epicephalon. 
0. 
OceUi. 
/. 
Forceps. 
of. 
Occipital foramen. 
fp. 
Facial plate. 
OS. 
Occipital sclerites. 
fpg- 
Forceps prong. 
ot. 
Ocellar triangle. 
ft. 
Depression in profile out- 
p- 
"enis. 
line of first genital seg- 
pa. 
Palp. 
ment. 
pac. 
Postalar callus. 
fs. 
Frontal sac. 
pbp. 
Posterior plate of base of 
fsu. 
Frontal suture. 
penis. 
fup. 
Fulcral plate. 
pc. 
Posterior clasper. 
g- 
Genital segments. 
pcv. 
Posterior^ cross- vein. 
g.i. 
First genital segment. 
pcx. 
Posterior coxa. 
g.2. 
Second genital segment. 
pd. 
Presutural depression. 
ge. 
Gena. 
peo. 
Posterior eye orbit. 
gst. 
Genital sternum. 
pes. 
Pro-episternum. 
h. 
'Humps.' 
Pfl- 
Parafrontal plate. 
haps. 
Hairs of anterior margin of 
pgs.i. 
Profile of first genital seg- 
posterior spiracle. 
ment. 
hp. 
Head of penis (distal por- 
pgs.2. 
Profile of second genital 
tion). 
segment. 
hr. 
Halter. 
pk. 
Pocket for penis. 
hu. 
Humerus (humeral callus). 
plsu. 
Pleural suture. 
ial. 
Impressed anal line. 
pmm. 
Posterior mouth margin. 
