3 
PAGE 
Distribution = 1027: — 
a. Geographical: — 
i. General . . . . . . • • 
ii. Atlantic Ocean and adjacent Seas 
iii. Indian Ocean and adjacent Seas . . 
# 
. . 26 
# , 
.. 27 
iv. Pacific Ocean and adjacent Seas . . 
y # 
.. 27 
v. Arctic Ocean and adjacent Seas . . 
# # 
.. 27 
vi. Antarctic Ocean and adjacent Seas 
. . 
.. 27 
b. Geological : — 
i. General . . , . 
.. 27 
ii. Oainozoic: 
(a) General 
t % 
. . 28 
(b) Pleistocene . . 
# # 
.. 28 
(c) Pleiocene . . . . . . 
.. 28 
(d) Meiocene 
« • 
.. 28 
(e) Oligocene . . . . 
.. 29 
(f ) Eocene 
, # 
.. 29 
iii. Mesozoic : — 
(a) General . . . . 
(b) Cretaceous (1. Upper. 2. Lower) 
. . 29 
(c) Jurassic (1. Upper. 2. Middle. 
3. Lower) 30 
(d) Lias (including Rhaetic) 
.. 30 
(e) Trias . . 
iv. Palaeozoic: — 
(a) General . . . . . , 
.. 81 
(b) Permian 
Vacant 
(c) Permo-Carboniferous 
. . 31 
(d) Upper Carboniferous. . 
.. 31 
(e) 1 iower Carboniferous. . 
.. 31 
(f ) Devonian 
.. 31 
(g) Silurian 
.. 32 
(h) Ordovician * . 
.. 32 
(k) Cambrian 
.. 32 
( 1) Pre-Cambrian 
Vacant 
III. Taxonomy and Systematic Index =. 1031 : — 
a. Echinoderma, general 
.. 32 
b. Holothurioidea 
.. 32 
c. Echinoidea . . 
.. 33 
d. Asteroidea . . 
.. 46 
e. Ophiuroidea . . 
r. Criuoidea 
.. 50 
g. Cystidea and Edrioasteroidea . . . . 
.. 54 
ii. Blastoidea . . 
.. 54 
k. Incertae Sedis 
.. 55 
N.B. ! — The numbers and letters prefixed to the items of the Contents are 
used for the cross-references to the Subject and Systematic Indices 
given at the end of each Title-entry , except that the number 10 . . , 
denoting E chino derma, is dropped to avoid needless repetition. 
(n-9720 m) to 7-2 
