KNOWN SPECIES OF MARINE OSTRACODA. 391 
b. Perfect carapace, ventral view, x 40. 
c. do. dorsal view, x 40. 
d. do. end view, x 40. 
Fig. 6. Cythere mamillata. 
a. Left valve, outside, x 80. 
6. do. inside, x 80. 
G do. ventral view, x 80. 
Fig. 7. Cythere producta. 
a. Right valve, outside, x 40. 
b do. inside, x 40. 
c. do. 
Fig. 8. Cythere venata. 
a. Right valve, outside, x 80. 
b. do. inside, x 80. 
(oh do. dorsal aspect, x 80. 
Fig. 9. Cythere clathrata, var. nuda (young). 
a. Right valve, outside, x 40. 
b. do. inside, x 40. 
c. do. dorsal outline, x 40. 
Fig. 10. Cythere clathrata, var. nuda (older). 
a. Right valve, outside, x 40. 
b. do. inside, x 40. 
c. do. dorsal outline, x 40. 
dorsal outline, x 40. 
> 
ao oa B 
11. Cythere clathrata. 
. Right valve, outside, x 40. 
. Perfect carapace, ventral view, x 40. 
do. dorsal view, x 40. 
do. end view, x 40. 
. 12. Cythere clathrata, var. lyrata. 
. Right valve, outside, x 40. 
do. inside, x 40. 
do. dorsal outline, x 40. 
13. Cythere clathrata, var. latimarginata, 
. Right valve, outside, x 40. 
do. inside, x 40. 
do. dorsal outline, x 40. 
14. Cythere mutabilis. 
. Perfect carapace, young (from Firth of Forth), 
x 40. 
Perfect carapace, dorsal view, x 40. 
do. lateral view, older (Firth of 
Forth), x 40 
d. Perfect carapace, dorsal view, x 40. 
e. Right valve (Holy Island, 30-40 fath.), x 40. 
f. Perfect carapace, adult (Dogger Bank), x 40. 
g do. dorsal view, x 40. 
| 
3 
= 
Bao 8 
3 
s& 9 Ss & 
EES ge! 
PLATE LX. 
Fig. 1. Cythere plicatula. 
a. Right valve, outside, x 40. 
6. do. inside, x 40. 
iC: do. dorsal outline, x 40. 
Fig. 2. Cythere catenata. 
a. Left valve, outside, x 40. 
b. do. inside, x 40. 
Cs do. dorsal outline, x 40. 
d. Surface ornament, x 80. 
Fig. 3. Cythere lactea. 
a. Left valve, outside, x 40. 
b. do. ventral view, x 40. 
C. do. dorsal view, x 40. 
Fig 4. Cythere septentrionalis. 
a. Perfect carapace, left side, x 40. 
b. do. dorsal view, x 40. 
C. do. ventral view, x 40. 
d. do. dorsal view (valves sepa- 
rated), x 40. 
e. Left valve, inside, x 40. 
j. Perfect carapace, end view, x 40. 
Fig. 5. Cythere costata. 
a. Perfect carapace, right side, x 40. 
b. do. dorsal view, x 40. 
c do. ventral view, x 40. 
d. do. end view, x 40. 
e do. dorsal outline (valves sepa- 
rated), x 40. 
J. Left valve, inside, x 40. 
Fig. 6. Cythere lactea, var. rudis. 
a. Left valve, outside, x 80. 
b. do. inside, x 80. 
(bs do. dorsal view, x 80. 
Fig. 7. Cythere pumila. 
a. Right valve, outside, x 40. 
b. Perfect carapace, dorsal aspect, x 40. 
C. do. ventral view, x 40. 
d. do. end view, x 40. 
