cd. n. v. 
cl. coms, 
PE 
cl. gn. 1 , 11., etc. 
cl. in. 1.-1v. 
cl. mu. 
cl. sns. 
coms. o. 
ep 
cta. 
eth. pr't. 
Sor’. mu. 
UTE 
gn. an. 
Wdrm. 
in. 
In. d. 
ventral nerve cord. 
commissural cells of 
brain. 
dorsal cell. 
first, second, third, etc. 
large ganglion cell of 
brain. 
intestinal cells I. to IV. 
muscle cell of body wall. 
esophageal cell. 
sensory cell, 
dorsal — (supra-cesopha- 
geal) commissure of 
brain. 
corpuscle of body cavity 
fluid. 
cuticula. 
peritoneal epithelium. 
contractile fibrille of 
muscle cell. 
nervous fibrille. 
anal ganglion. 
hypodermis. 
intestine. 
dorsal line. 
ABBREVIATIONS. 
In. v. 
mb. ba. 
n. a. 
nl. d. 
nl. gn. 
nl. gn. 1.-v. 
n. I, 
Qo 
pd. cl. d. 
sp’2. 
st. p? ph. 
te. 
va. df. 
ventral line. 
basement membrane. 
nerve fibres anterior to 
brain. 
nucleus of dorsal cell. 
nucleus of large ganglion 
cell. 
nuclei of ganglion cells 
I. to V. of brain. 
lateral nerve of ventral 
nerve cord. 
nucleolus. 
median nerve of ventral 
nerve cord. 
nervous nuclei. 
œsophagus. 
stalk of dorsal cell. 
process of ganglion cell. 
dorsal sac. 
spermatozoa. 
peripheral layer of anal 
ganglion. 
testis. 
vas deferens, 
