genital system of lyctus brunneus. 597 
Reference Lettering. 
0/7, accessory gland ; at/e, junction of accessory gland and ejaculatory duct; an, anus; 
asg, nperture of secreting glands ; ap, apodeme ; apr, rod of apodeme ; be, bursa copulatrix ; 
bo}^, basal portion of ovipositor ; bp, basal piece ; c, calyx ; d, colon ; co, common oviduct ; 
cm, commissure ; d, dorsal ; dop, distal portion of ovipositor; dp, dorsal pygidial plates (8th 
tergite) ; dr, dorsal rod ; ec, egg-cliambers ; ej, ejaculatory duct ; d, elytron ; et, ovarian 
tubes ; ev, enveloping sheath ; /, filament ; in, integumental sheath ; ins, inner sheatli of 
ovipositor ; is, internal sac ; jej, junction of ejaculatory duct ; jo, junction of outer and inner 
sheaths of ovipositor; //, lateral lobes; hn, ileum; lo, left ovary; Ir, cloacal stalk; Isp, 
loose spermatozoa ; in, muscles ; 9?i'-»! ', sets of muscles ; ma, mesothoracic acetabula ; 
mc, mesothoracic coxa ; mf, median foramen ; ml, median lobe ; mo, median orifice ; 
mp, malpighian tubes ; ins, mesenteron ; msl, mesothoracic leg ; mta, metathoraeic aceta- 
bula ; mtc, metathoraeic coxa ; mtl, metathoraeic leg ; mx, suture between nieso- and 
metasternum ; n, abdominal nerve-ganglion ; od, oviduct ; oe, oedeagus ; op, 2-joinled 
vaginal palp of ovipositor ; ots, outer sheath of ovipositor ; ovp, ovipositor ; p, palp ; 
pa, point of articulation ; pi, prothoraoic leg ; pr, point of extrusion of anus ; psp, setse 
inside spermatheca ; q, metasternum ; qe, episternum of metasternum ; r, rectum ; re, con- 
voluted rectum; ro, right ovary; s, setse; sg, secreting- glands; sp, spermatheca: spg, 
spermathecal gland ; spp, packets of spermatozoa (spermatophores) ; sr, short rod ; st, branch 
of ejaculatory duct ; stm, stomodeum ; sv, seminal vesicle ; tc, terminal chamber ; ts, testes ; 
I', ventral ; vd, vas deferens ; vo, vaginal orifice ; vp, ventral pygidial plate (VIII sternite) ; 
vr, ventral rods ; vt, valvular duct ; lu, wing ; 1-10 tergites, I-X sternites. 
LINN. JOURN. — ZOOLOGY, VOL. XXXV, 4ii 
