40 Journal of the Asiatic Society of Bengal. 
[N.S., XIX, 
LETTERING EMPLOYED IN THE DIAGRAMS 
abdom 
ai >t ri minal eae 
Anterior basalar 
% @. Accessory er 
An. 
ao N. Antenna 1 nerve. 
iP. ‘cn of abdomen. 
AP. Apedom 
AP. ST. yea stricture. 
A. SD. Afferent salivary duct. 
Bu. Buce ar 
CAL. Caies 
Chyl. Chylifie stomach. 
LY. Clype 
CLV. Cl Ss. 
N. Cen 
chrus. 
Cox. Cl. 1-3. Coxal cleft 1-3. 
COS. Costal vein of ia forewing. 
COS. A 
O 1 apic 
COS. C Costal Sonhsckce 
COS. D. Costal decurrens 
COS. L. Costal lineata 
COS. P. Costal primaria 
COS. 8. Costal sub 
COS. R ostal recurren 
COS. 1-3. Coxae of the tives kina 
Cr. 8S. Corium spot 
nan 
D. " Diaphra: 
ee iting tiugoloa. 
E 
E. 
Emb. Embolium. 
p- Epicra 
gE. B. Bjaculatory duct. 
EPH. Epipharynx. 
EPM. Epimeron 2-3. 
EPS. Episternu 
E. Efferent salivary duct. 
E. C. Ejection ca nal. 
FE. Femur 
FR. ler. 
Fre. Frenum. 
Gu. Gula. 
Gl. Ut. Gland of the uterus. 
GN. Genae 
Infs. Entorions: 
L. Laterals. 
LB. A. Apex of von a 
LB. B. Labium 
LB. G. = sn 
LR. 
abru 
M. Matbdone of the pocow ing: 
“Fie 
e zc A 
Nerve of mesothorax. 
Mn Mandible. 
Mn. B. Base of the mandible. 
Mn. AP. Apex of itr ne 
Mn. L. Mandible lev 
Mn. P. Mandible protractors 
Mn. R. Mandible retracto 
Mx. B. Maxilla Sosa 
Mx. L. Maxilla lever 
Mx. LA. Maxilla lamina 
Mx. P. Maxilla protracters 
Mx. R. Maxilla retractors 

a 
Mx. St. Maxilla stylets 
Mx. SR. Maxilla stru 
Meta. ve pplying the 
leg of the metathor 
Ne. of the ae 
Oc... Oc 
OE. eagus 
Oe. 8S. Setae of the Oedeagus. 
Oes. Oesophagus 
Op. Oper a 
Op. N. Optic ‘ 
OY. TB. Ovarian tubules. 
PH D. Pharyngeal duct 
haryn - 
Ph. V. Ventrai wall of: the 
of Piston. 
Pi. M. Muscles a Piston 1-3 
PI: sae a of the thoracic seg- 
ments 2-3 
Po; decried 2-3. 
PR. Prothora 
PR.-C, Pronotal a: 
PR.N. Prothorax notum 
ump stem 
SC. Prescutellum of meso- 
ax, 
P. S. Cox. Posterior sub- Sgr pi 
P. SLQ. Post scutellum of me 
thorax 
nny SSL. Fused prescutum, scu- 
um, and scutellum of meta- 
eae 
P.Th.N. Notum of the prothorax. 
Po WW. 6. osterior wall of the 
pump chamber. 
RA. Radius vein of the forewing. 
Rec. Rectum. 
Ros. Rostrum 
Ros. Gr. Rostrum groove. 
Reservoir aust. 
Sub-basalar 
.C. Suction canal 
S. cos. Subcostal. 
Se. Seutum of prince 
< 
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