113 
PI. LII. 
Pseudoeuma cerearia (continued) ; adult male. 
pi. Lni. 
Pseudoeuma similis, G. O. Savs; female and 
mate. 
PL LIV. 
Petalosarsia deelivis, G. 0. Savs; female and 
male. 
PI. LV. 
Cumella pygrnaea, G. 0. Savs; female and male. 
PI. LYI. 
Campylaspis rubieunda (Lilijeborg); female 
and male. 
PI. LVII. 
Campylaspis rubieunda (continued); female 
and male. 
pi. Lvm. 
Campylaspis glabra, G. 0. Sars; female and 
male. 
PI. LIX. 
Campylaspis sulcata, G. 0. Sars; female and 
male. 
PI. LX. 
Campylaspis eostata, G. 0. Sars; female and 
male. 
PI. LXI. 
Campylaspis undata, G. 0. Sars; female and 
male. 
PI. LXII. 
Campylaspis horrida, G. 0. Sars; female and 
male. 
pi. Lxni. 
Campylaspis verrucosa, G. 0. Sars; female 
and male. 
PI. LXIV. 
Campylaspis afflnis, G. 0. Sars; female and 
male. 
PI. LXV. 
Internal Anatomy of Cumaeea (Diastylis 
lucifera). 
Fig. 1. Anterior part of body together with 
the first 3 caudal segments of a young, 
not, yet gravid, female, viewed from 
left side. Inner organs delineated 
within the body in their natural posi¬ 
tion. — 0 ocular tubercle; M. man¬ 
dible ; hr. exp. exopodal part of bran¬ 
chial apparatus; sc. scale-like terminal 
piece of same; br. ep. epipodal part 
of branchial apparatus; st. stomach; 
l 1 .—I 3 , the 3 liver-sacs- on left side; i 
intestinal tube; h. heart-; n. nepliridium 
(renal organ); C.gl. cephalic ganglion; 
gl. ventral ganglionic chain; ov. left 
ovarial sac; inc. pi. incubatory plates 
in process of formation. 
Fig. 2. Ant erior part of intestinal tract, viewed 
from left side. — oes. oesophagus; st. 
stomach; pr. v. anterior triturating 
part, of same; l l —l 3 the 3 liver-sacs 
on left side; i. intestinal tube. 
„ 3. Anterior part of stomach, more highly 
magnified, exhibiting the triturating 
apparatus; lateral view. 
,, 4. Same part viewed from the ventral 
face. 
„ 5, 6, 7. Seta and pectiniform fillets of 
the triturating apparatus, highly 
magnified. 
„ 8. Extremity of a liver-sac. 
„ 9. Some of the secretory cells from same, 
highly magnified. 
„ 10. Schematic transverse section of body 
behind the middle of the carapace, 
exhibiting the internal organs in sec¬ 
tion. Lettering as in fig. 1. 
„ 11. Another transverse section of body 
through about the 2nd exposed seg¬ 
ment. Lettering as above. 
PL LXVI. 
Inner Anatomy of Cumaeea (continued). 
Fig. 1. Anterior part of body together with 
the first 2 caudal segments of a female 
Diastylis lucifera, viewed from the 
dorsal face. Inner organs delineated 
within the body in their natural po¬ 
sition. Lettering as in fig. 1 on the 
preceding plate. 
„ 2. Central nervous system of same spe¬ 
cies, viewed from the dorsal face. 
„ 3. Cephalic ganglion together with the 
cesophageal commissures, viewed from 
the dorsal face. 
„ 4. Two of the ventral ganglia with their 
connecting commissures; dorsal view. 
„ 5. Two ganglia, with their commissures, 
from the caudal part of the nervous 
chord. 
„ 6. Left renal organ. 
„ 7. One of the lobules of same, more 
highly magnified, and showing the 
finely granular contents. 
„ 8. Ocular tubercle of same species, ex¬ 
hibiting trace of its original duplicity; 
dorsal view. 
„ 9. Anterior part of the intestine, with 
the liver-sacs (Diastylis) ; ventral view. 
