36 
s. s. BUCKMAN, 
(Schwed. Südpolar-Exp. 
hemisphere by the same or nearly allied species, so far as present knowledge allows. 
“None” indicates no living representatives or allies in the seas of the Southern 
hemisphere. The forms against which this appears have either died out entirely, or 
have yet to be discovered. 
Summary of species described. 
New names in heavy type. 
I. 
Bouchardia 
august a 
. p. 
16. 
13- 
Magasdla australis 
- P- 
19- 
2. 
» 
antarctica 
. » 
16. 
14. 
Magdlania fontainei d’Orbigny sp. 
. » 
22. 
3 * 
» 
attenuata 
. » 
17 - 
IS- 
Padivmagas 
antarcticus 
. » 
21. 
4 - 
» 
elliptica 
17 - 
16. 
Terebratula 
bulbosa T ate 
25. 
5 - 
ovalis 
. » 
16. 
17 - 
y> 
lecia Guppy 
27. 
6. 
Hemithyris 
antarctica 
13- 
IS- 
Ï) 
irinitatensis Guppy . . . 
. Î 
24. 
7 - 
australis 
12. 
19. 
» 
vitreoides; Tate .... 
28. 
8. 
» 
imhricata 
. » 
II. 
20. 
» 
sp. A 
26. 
9 - 
» 
plicigera Jhering sp. . . 
. ï> 
12. 
21. 
» 
sp. B 
28. 
10. 
» 
squamosa IlUTTON sp. 
. r 
10. 
22. 
Terebrahilina lenticularis Tate . . . 
. » 
28. 
11. 
Lingula antarctica 
. î> 
9 - 
23- 
T> 
oamarutica Boehm? 
. » 
29. 
12. 
Magasdla 
antarctica 
. » 
iS. 
According to the evidence of the Brachiopoda the dates of the deposits at the 
different localities are as follows,' while they yield the subjoined genera and species. 
Cockburn Island (12) Pleistocene 3 Genera. 3 Species. 
Seymour Island (il) Pliocene-Miocene. 2 » 6 » 
Cockburn Island (13) Miocene-Oligocene. 5 ’ 14 ’ 
‘ But see the discussion above, p. 30. 
