BRACHIOPODA—THOMSON. 
69 
Plate XYI. 
Fig. 
30, 31, 32.— Hemithyris striata Thomson. Station 11, off Shackleton Glacier, 358 
fathoms. Holotype. Enlarged 1| diameters. 
33, Magellania jouhini Blochmann. Station 3, off Adelie Land, 157 fathoms. 
Natural size. 
35. — Amphithyris huckmani Thomson. Cook Strait, near Wellington, New Zealand. 
Holotype, ventral valve, ventral view. Enlarged about 3.f diameters. 
36, 37, 38.— Liothyrella neozelanica Thomson. Cook Strait, near Wellington, New 
Zealand. Figs. 36, 37, holotype; fig. 38, dorsal valve of paratype, ventral 
view showing part of body wall and mantle adhering to the shell. Natural 
size. 
39. — Stethothyris antarctica Thomson. Station 10, off Shackleton Glacier, 358 fathoms. 
Pores and mosaic of interior ventral valve of holotype, near the left margin. 
Enlarged 100 diameters. 
40. — Magellania macquariensis Thomson. Beach, Wireless Cove, Macquarie Island. 
Pores and mosaic of interior of ventral valve of paratype, a little in front 
of the middle. Enlarged 100 diameters 
41 .—Magellania joubini Blochmann. Pores and mosaic of the interior of the ventral 
valve of the specimen shown in fig. 34, plate XYI, a little in front of the middle. 
Enlarged 100 diameters. 
42. — Liothyrella ovata Thomson. Station 10, off Shackleton Glacier, 325 fathoms. 
Pores and mosaic of interior of ventral valve of holotype, a little in front of 
the middle. Enlarged 100 diameteis. 
43. — Macandrevia vanhoffeni Blochmann. Station 11, off Shackleton Glacier, 358 
fathoms. Pores and mosaic of interior of ventral valve, a little in front of 
the middle. Enlarged 100 diameters. 
44. — Macandrevia lata Thomson. Station 10, off Shackleton Glacier, 325 fathoms. 
Pores and mosaic of interior of ventral valve of paratype, a little in front of 
the middle. Enlarged 100 diameters. 
45. — Hemithyris striata Thomson. Station 11, off Shackleton Glacier, 358 fathoms. 
Mosaic of interior of ventral valve. 
Plate XVII. 
Fig. 
46, 47, 48, 49, 50 .—Macandrevia lata Thomson. Station 10, off Shackleton Glacier, 
325 fathoms. Figs. 46, 47 holotype; fig. 48, posterior view of portion of 
the ventral valve of an old shell, showing the position of the foramen; fig. 
49, dorsal-anterior view of the same specimen, showing the dental plates 
united by a deposit of callus; fig. 50, interior of dorsal valve of another 
paratype. Enlarged 1| diameters. 
