PLATE 2 
A. —Cephalobus subelongatus Cobb, region of female body with uterus filled 
with spermatozoa and eggs; gr p, granular part of a spermatozoon; ov, egg; 
trap, transparent part of a spermatozoOn; spm, a spermatozoon, 
B. —Aphelenchus ritzema-bosi Schwartz; tail end of a male in lateral view; brs 
msc, bursal muscle; dil an, dilatator muscle of anus; rtr sp, retractor muscle of 
spiculum; 1-2 papillae. 
C. —Dorylaimus regius de Man; median view of the head end; amph, amphid; 
ap lat ppl, apical lateral papilla; ap sub ppl, apical submedian papilla; lat sub 
ppl, lateral submedian papilla; on, spear; post ap lat ppl, postapical lateral 
papilla; post ap sub ppl, postapical submedian papilla; ppl, papilla of the body 
surface. 
D. —Same; lateral view of head end; lettering the same as in C, 
E. —Same; lateral view of a head end with the opening of the amphid (amph) 
protruded and free; t, terminals. 
F. —Same; optical section through the amphid in profile position; nrv, am- 
phidial nerve; t, sections through terminals; v, amphidial wall. 
G. —Same; front view of head end; lettering same as in C. 
