1888-89.] Mr John Rattray on the Genus Coscinodiscus. 
EXPLANATION OF PLATES. 
Plate I. 
Pig. 1. Coscinodiscus oamaruensis, Grove and Sturt, x 660. 
Fig. 2. 
9 9 
oculus-iridis, var. loculifera , nov. x 660. 
Fig. 3. 
,, 
modestus, sp. n. x 660. 
Fig. 4. 
99 
debilis, sp. n. x 460. 
Fig. 5. 
„ 
imperator, Janisch. x 250. 
Fig. 6. 
„ 
interlineatus, sp. n. x 660. 
Pig. 7. 
9 9 
decussatus, Grove and Sturt MS. x 660. 
Fig. 8. 
9 9 
subnotabilis, sp. n. x 660. 
Fig. 9. 
9 9 
gracilentus, sp. n. x 660. 
Fig. 10. 
9 9 
subareolatus, sp. n. x 660 (worn specimen). 
Fig. 11. 
99 
groveanus, sp. n. x 460. 
Fig. 12. 
99 
antediluvianus, sp. n. x 660. 
Fig. 13. 
99 
inter mixtus, sp. n. x 660. 
Fig. 14. 
9 9 
obliquus, Rattray, x 660. 
Fig. 15. 
9 9 
sphceroidalis , sp. n. x 660. 
Fig. 16. 
99 
subtilis, var. lineolata, nov. x 660. 
Fig. 17. 
99 
incequisculptus, sp. n. x 460. 
Fig. 18. 
9 9 
luxuriosus, sp. n. x 660. 
Fig. 19. 
9 9 
glaberrimus, sp. n. x 660. 
Fig. 20. 
9 9 
argus, var. subtraducens, nov. x 460. 
Fig. 21. 
9 9 
nitidus, var. moronensis, Grun. MS. x 660. 
Fig. 22. 
9 9 
planiusculus , sp. n. x 660. 
Fig. 23. 
9 9 
granulosus, Grun. x 460. 
Fig. 24. 
,, 
whampoensis, Grove MS. x 660. 
Fig. 25. 
99 
Weissjlogii, Sell, x 660. 
Plate II. 
Fig. 1. 
Coscinodiscus pulcherrimus , sp. n. x 660. 
Fig. 2. 
9 9 
lutescens, sp. n. x 660. 
Fig. 3. 
9 9 
leptopits, var. discrepans, nov. x 660. 
Fig. 4. 
africanus, var. wallichiana, Grun. x 660. 
Fig. 5. 
,, 
minutellus, sp. n. x 660. 
Fig. 6. 
9 9 
notabilis , sp. n. x 660. 
Pig. 7. 
99 
actinosus, Grove MS. x 660. 
Fig. 8. 
,, 
aethes, sp. n. x 660. 
Fig. 9. 
99 
densus, Grove and Sturt MS. x 660. 
Fig. 10. 
9 9 
pusillus, Grove MS. x 660. 
Fig. 11. 
9 9 
antimimos, sp. n. x 660. 
Fig. 12. 
9 9 
grayianus, sp. n. x 660. 
Fig. 13. 
99 
megacentrum, Grove MS. x 660. 
Fig. 14. 
99 
epiphanes, sp. n. x 660. 
Fig. 15. 
9 9 
superbus, var. nova-zealandica, Grove MS. x 
Fig. 16. 
99 
moronensis, Johnson, x 660. 
Pig- 17. 
99 
vetustissimus, Pant, x 660. 
Fig. 18. 
9 9 
subnotabilis, sp. n. x 660. 
Fig. 19. 
9 9 
theskelos, sp. n. x 660. 
Fig. 20. 
99 
galapagensis, Rattray, x 660. 
