PARICER: NEW ENGLAND SARCOPHAGI DAE. 
75 
EXPLANATION OF PLATES. 
Unless otherwise stated all drawings of external anatomy are of Ravinia 
communis. These (except figure 18) as well as the figures of the genitalia have 
been made with a camera lucida. 
Abbreviations 
a. 
Anal area. 
bdcp. 
abp. 
Anterior plate of base of 
penis. 
bf. 
ac. 
Anterior claspers. 
bfa. 
acx. 
Anterior coxa. 
hfr. 
al. 
Alula. 
bgo. 
am. 
Anterior (oral) mouth mar- 
gin. 
bgs.i. 
an. 
Antenna. 
bhpl 
anf. 
Antennal fovea. 
bhu. 
ans. 
Anepisternum. 
bin. 
ant.l. " 
ant. 2. ■ 
ant. 3. 
First, second, and third 
bio. 
bm. 
bmc. 
antennal segments. 
ap. 
Accessory plate. 
bmpl. 
aps. 
Anterior margin of poste- 
bnpl. 
rior spiracle. 
boc. 
ar. 
Arista. 
bar. 
arc. 
Articulating cone. 
hp. 
as. 
Anus. 
bpa. 
as.itoas 
.8 First to eighth abdominal 
bpc. 
segments (anatomical) . 
bphu. 
as. I to 
First to seventh abdominal 
bpn. 
as. VII. 
segments (taxonomic). 
bppl. 
asp. 
Anterior spiracle. 
bps. 
bac. 
Anterior coxal bristles. 
bafi.3. 
Intermediate row or rows 
bpsi. 
of bristles on anterior face 
bpso. 
of third femur. 
bpv. 
bafl.z. 
Lower row or rows of 
brl. 
bristles on anterior face 
bsa. 
of third femur. 
bsm. 
bafu.z. 
Upper row of bristles on 
bspl. 
anterior face of third 
bstl. 
femur. 
bsu. 
bas. 
Acrostichal bristles. 
bt. 
bdca. 
Anterior dorsocentral bris- 
tles. 
bv. 
Posterior dorsocentral 
bristles. 
Base of forceps. 
Facial bristles. 
Frontal bristles. 
Greater ocellar bristles. 
Bristles of first genital seg- 
ment. 
Hypopleural bristles. 
Humeral bristles. 
Intra-alar bristles. 
Lesser ocellar bristles. 
Marginal bristles. 
Bristles of middle coxa. 
Mesopleural bristles. 
Metapleural bristles. 
Occipito-central bristles. 
Orbital bristles. 
Basilar plates. 
Postalar bristles. 
Post coxal bristles. 
Posthumoral bristles. 
Base of penis. 
Pteropleural bristles. 
Prescutellar acrostichal 
bristles. 
Inner presutural bristle. 
Outer presutural bristle. 
Po.stvortical bristles. 
Lateral bristles. 
Supra-alar bristles. 
Submesotibial bristle. 
Sternopleural bristles. 
Lower sternopleural bristles. 
Basal suture. 
' Brush ' of posterior tro- 
chanter. 
Vertical bristles. 
