23 Bchin. 
General, Structure. 
5. Museums. 
Ech., from Cenomanian of Westfalia 
in Geol. Landesmuseum, Berlin; Bohm, 
35 : Hamburg museum, Orinoids ; 
Clark, A. II., 77: Museum fuer Natur- 
kunde, Berlin, Orinoids ; Clark, A. IT., 
78 : Indian Ocean orinoids in Indian 
Museum ; Clark, A. H., 88 : Mus4e 
d’Hist. nat. d’Elbeuf, Holoth;, Ech. ; 
Coulon, 107 : Mus. di Firenze. Ech. 
miocenici ; Dl Stefani, 123. 
Echinus in Mus. do Monfc-de-Marsan ,* 
Dubalen, 138 : Ech. in Mus. Nat.-hist., 
Paris ; Gravier, 174, 175 & 176. 
Ech. in coll. G. E. Dibley, Lower 
Sydenham ; Chatwin, 69 : Collections 
containing types of Palaeozoic Echini ; 
Jackson, 220. 
Colour changes in Echiuoids after 
death ; Southwell, 383. 
6. Technique. 
Keeping Ech. in Aquaria ; Bade, 
14 & 15 : Method of producing hetero- 
geneous hybrids in Ech. ; Moore, 323. 
Study of larval Solaster endeca ; 
Gemmill, 159 : Rearing Asterias larvae ; 
Gemmill, 163 & 165. 
Plankton-methods ; Graf, 172. 
Preservation of recent Echini and 
method of rendering sutures distinct; 
Jackson, 220. 
Method of sectioning Echinus spines; 
Bradshaw, 45 : Plaster models of 
Lapuorthura ; Sollas & Sollas, 382. 
Radiography of fossil Ech ; Blot, 33. 
STRUCTURE. 1007 
1. General accounts. 
Bathory & Kneif, 24 : Ludwig & 
Hamann, 302. 
Of Labidoplax buskii ; Bechcc, 25 : 
of Japanese Astrophylidae (Japanese); 
Matsumoto, 311 : of Astrophiurae ; 
Matsumoto, 312 : of Holothurioidea. 
actinopodous ; Mitsukuri, 319 : of Pliyl- 
lophorinae ; Ohshima, 337. 
Of Echinoids, especially Holectypoida ; 
Hawkins, 191 : of Echini ; Jackson, 
220 . 
Pigment of Strongylocentrotus ; 
Awerinzew, 13. 
1000* 1007 
Of Starfish ; Duncan & Duncan; 139 : 
of Solaster cndeca ; GemmUl, 1.59 : of 
Aslerias ; McKechnie, 309 : of Astcronyx 
loneni ; Mortansen, 330 : of Astropacten; 
Mtlllegger, 332 : of regenerating 
Linchia ; Richters, 355. 
Histologie der Crinoiden ; Reich en- 
spdrger, 347. 
2. Symmetries. 
Of Echini ; Jackson, 220. 
4. Skeletal tissue. 
Of larval Solaster endeca ; GemmUl, 
159. 
5. Skeletal Anatomy. 
Spines, pedicellaviae, etc., of various 
families of Echini ; Clark, H. L., 94 : 
Sphaeridia and radioles of Echinarach- 
nius ; Gregory, 178: “ Cystacanths ” 
ai d pedicellariae in Echinoids ? 
' Mortensen, 328. 
Apical system of Holectypoida i 
Hawkins, 189: Plates of buccal mem- 
brane in Echinocorys ; Hawkins, 190 '. 
Of Irregular Echinoids, especially 
Holectypoida ; Hawkins, 191 : of Echi- 
noids, especially Strongylocentrotus and 
Palaeozoic genera ; Jackson, 220. 
Ambulacral covering plates in Proto - 
pala caster ; Hudson, 219 : Raymond, 346. 
Of Gorgonocepbalinae ; Doderlein, 
126: Arms of Ophioglypha ; Munson, 
333 : of Lapworlhura and other Palaeo- 
zoic Ophiurids ; Sollas & Sollas, 382. 
Of Crinoidea ; Clark, A. H., 74 : Plates 
of Pentacrinoid larvae of Free Orinoids X- 
dark, A. H., 82. 
6. Hydrocoel, etc. 
Polian vesicles of Thyone ; Scott, 376. 
Ambulacra and podia of Irregular 
Echinoids; Hawkins, 191 : Ambulacra of 
Echini, especiallv Palaeozoic; Jackson, 
220 . 
Of larval Solaster endeca ; Gemmill, 
159 : Double hydrocoel in Asterias 
larvae ; Gemmill, 163. 
7. Other body cavities. 
Contents of cavities in Ech; Itusso,. 
367. 
