5 Brack. 
Subject Index. 
2027 
ETHOLOGY. 2019 
Ecology, Skagerak ; Petersen, 45. 
Scalia, 50. 
AETIOLOGY. 2023 
Mook, 40 ; Day, 11. 
DISTRIBUTION. 2027 
(a) Recent. 
Gulf of Tunis ; Pallary, 42. 
New Zealand ; Thomson, 60. 
Antarctic ; Joubin, 31. 
(j3) Fossil. 
Cambrian. 
Norway ; Braastad, 4. 
Syria & Arabia ; Dienemann, 12. 
Yunnan, Mansuy, 36. 
U. S. (Montana) ; Rothpletz, 48. 
Ordovician, 
N. Italy ; Vinassa de Regny, 64. 
Shan States ; Reed, 46. 
Hudson’s Bay ; Parks, 43 & 44. 
Silurian. 
Denmark ; Hadding, 27. 
Sweden.; Rede, 28. 
Yunnan ; Mansuy, 36. 
Tonkin ; Mansuy, 38. 
Shan States ; Reed, 46. 
Saskatchewan ; Kindle, 32. 
Hudson’s Bay ; Parks, 44. 
Baffin land ; Stremme-TSuber, 55. 
Victoria ; Chapman, 8. 
Devonian. 
N. Italy ; Gortani, 23-25. 
Russia (Altai) ; Tolmatchoff, 62. 
Tian Schan ; Krenkel, 33. 
Yunnan ; Mansuy, 36. 
Ontario ; Stauffer, 53. 
Carboniferous. 
England ; Bolton, 3 ; Vaughan, 63. 
Scotland ; Dunlop, 14. 
Ireland ; Smyth, 52. 
Belgium ; Vaughan, 63. 
Germany ; Lebedeff, 34. 
Kashmir, etc. ; Diener, 13 ; Steiger, 
54. 
Colorado ; Girty, 19. 
Arkansas ; Girty, 22. 
W. Australia ; Etheridge, 16. 
Permo Carboniferous. 
W. Australia; Etheridge, 15 & 16. 
Permian. 
Yunnan ; Mansuy, 36. 
Laos ; Mansuy, 39. 
Ins. Letti ; Broili, 6. 
Mexico ; Haack, 26. 
Tasmania ; Hummel, 29. 
Trias. 
Anatolia ; Arthaber, 1. 
Yunnan ; Mansuy, 36. 
Laos ; Mansuy, 39. 
Jurassic. 
England (Oxford) ; Odling, 41. 
Switzerland ; Rollier, 47. 
Spain ; Cisneros, 9. 
Laos ; Mansuy, 37. 
Tonkin ; Mansuy, 38. 
Burma ; Buckman, 7. 
S. America ; Jaworski, 30. 
Tertiary. 
Veneto ; Fabiani, 17. 
New Zealand ; Thomson, 59. 
III.— SYSTEMATIC INDEX. 
The numeral in Clarendon, when not 
that of the Volume , is that of the 
Title. 
t Acrothele orbicularis sp. n. Yunnan 
Cambrian, Mansuy Hanoi-Haiphong 
Mem geol. 1 2 1912 p. 21. 
1 \Aetheia gen. n. type Waldheimia 
sinuata Hutton Thomson Geol. Mag. 2 
p. 389. 
f Anastrophia proxima sp. n. Yunnan 
Devonian, Mansuy Hanoi-Haiphong 
Mem. geol. 1 2 1912 p. 82. 
