5 Brack. 
Systematic. 
2031 
Compsothyris gen. n. for Rhynchonella 
racovitzae, Jackson Brit. Antarctic Exp. 
2 p. 188. 
• \Conchidium decussatum a Virgiana, 
Savage 31. 
t Conotreta acuta sp. n. Sweden 
Silurian, Troedsson Lund Univ. Arsskr. 
N.F. Avd. 2 15 No. 3 p. 34 pi. i figs. 
3-4. 
t Coptothyris gen. n. type Terebratula 
grayi, for Thomsonia Jackson preocc., 
Jackson Geol. Mag. (C) 5 p. 479. 
Crania joubini sp. n. Antarctic, 
Thompson Australian Antarctic Exp. 
C 4 part 3 p. 10. 
\Cyrtina undosa var. n. brachyptera 
Belgium Devonian,MAiLLiEUX Bruxelles 
Bull. Soc. geol. 28 1914 p.-v. p. 5. 
t Dictyothyris balhiensis, bourncnsis 
p. 267, luszowicensis laevis p. 268, 
struchnanni, birmensdorfensis p. 271, 
alba, badensis, danubiana, schlosseri p. 
272, balinensis p. 274, spp. n. England 
France and Germany Jurassic, Rollier 
M6m. Soc. pal. Suisse 43. 
t Dielasma juresanensis var. n. globosa, 
Japan Permian, Hayasara 15. 
t D. zealandica sp. n. New Zealand 
Trias, Trechmann Q. J. Geol. Soc. 73 
p. 217. 
t Discina ( Orbiculoidea ) radiala sp. n. 
Sweden Silurian, Troedsson Lund 
Univ. Arsskr. N.F. Avd. 2 15 No. 3 
p. 35 pi. i figs. 6-7. 
~\Disculina douvilUi sp. n. France 
Jurassic, Rollier Mem. Soc. pal. Suisse 
43 p. 191. 
t Glossothyris buckmani p. 258, qucns- 
tcdti p. 259, grossouvrei p. 260, datensis, 
favrei, p. 261, spp. n. England, France 
and Germany Jurassic, Rollier Mem. 
Soc. pal. Suisse 43. 
Gyrotkyris gen. n. p. 23 for mawsoni 
sp. n. Macquarrie Island p. 28, Thom- 
son Australian Antarctic Exp. C 4 
part 3. 
] Ilalorella zealandica sp. n. New 
Zealand Trias, Trechmann Q.J. Geol. 
Soc. 73 p. 216. 
t Hectoria gen. n. near Spirigera p. 
233, bisulcata p. 235, tumida p. 236, 
cuneiformis p. 237, spp. n. New Zealand, 
Trias, Trechmann, Q. J. Geol. Soc. 73. 
Hemithyris striata sp. n. Antarctic, 
Thomson Australian Antarctic Exp. C. 
4 part 3 p. 11. 
f Lingula foresii sp. n. Elba Carboni- 
ferous, de Stefani Pal. Ital. Pisa 23 
1917 p. 20. 
Leiothyrella and Leiothyrina, generic 
chars., Jackson 17. 
Liothyrella ovala p. 15, neozelanica p. 
17, spp. n. Antarctic and New Zealand, 
Thomson Australian Antarctic Exp, 
C 4 p. 3. 
f Loxancma inculla sp. n. Michigan. 
Devonian, Stauffer J. Geol. Chicago 
26 p. 559. 
Lyttonia, Hayasaka 14. 
Macandrevia lata sp. n. Antarctic 
Thomson Australian Antarctic Exp., 
C 4 part 3 p. 33. 
Magellania macquariensis sp. n. 
Macquarie I., Thomson Australian 
Antarctic Exp. C 4 part 3 p. 30. 
^Meekella amsdenensis sp. n. Wyom- 
ing Carboniferous, Branson & Greger 
Bull. Geol. Soc. Amer. 29 p. 316. 
f Megathyris, evolution, de Morgan 
26. 
f Mentzeliopsis gen. n. near Mentzelia 
p. 229, spinosa, horrida, spp. n. New 
Zealand Trias p. 230, Trechmann 
Q. J. Geol. Soc. 73. 
• \Nucleospira living stonensis sp. n. 
Michigan Devonian, Stauffer J. Geol. 
Chicago 27 p. 558. 
f Obolella rotundata sp. n. Norway 
Cambrian, Kiaer Skrift. Vid. 1916 2 
No. 10 p. 12. 
f Oldhamina mira, sp. n., Fredericks 
11 ; sco Hayasaka, 14. 
] Orbiculoidea wyomingensis sp. n. 
Wyoming Carboniferous, Branson & 
Greger Bull. Geol. Soc. Amer. 29 p. 
314. 
f Plectothyris subgen. n. ( Terebratula ) 
for group of T. fimbria, Rollier Mem. 
Soc. pal. suisso 43 p. 252. 
• \Rhipidomella intermedia sp. n. Michi- 
gan Devonian, Stauffer J. Geol. 
Chicago 27 p. 556. 
f Rhynchonella dal-piazi sp. n. (sine 
descr.) Spain Jurassic, Jimenez de 
Cisneros Bol. Soc. Esp. Hist. Nat. 18 
p. 319. 
