22'Echin. 
V. Ecliinoderma. 
[1913] 
Raising parthenogenetic Echinus 
larvte ; Lloyd, 130. 
Kinemafcography of developing ova ; 
Muller, 183. 
Preservation methods ; Nierstrasz, 
189 : Sziits, 304 : for plankton ; 
Steuer, 294. 
Method of displaying sutures in dried 
tests of recent Ech. ; Hawkins, 95 : 
of staining ova of Ech. ; Shippen, 281. 
Restoration of Cretaceous Ast. from 
isolated marginalia ; Spencer, 290. 
STRUCTURE. 1007 
1. General accounts. 
Mensbier, 157. 
Of Psolus ; Ohshima, 197 : of Penta- 
crinus ; Reichensperger, 234 : of Or in. 
and Blast. ; Springer, 291 : of Cyst. ; 
Bather, 11. 
Echinochrome, a red substance in 
Ech. ; McClendon, 142. 
2. Symmetries. 
Przibram, 227. 
Orientation of Cyst. ; Bather, 11. 
5. Skeletal Anatomy. 
Of Protopalaeaster ; Hudson, 105 : 
of Palaeastcr ; Sclioendorf, 273 : of 
Cretaceous Ast. ; Spencer, 290 : of 
Cyst. ; Bather, 11 : of Pentremitidea ; 
Oehlert, 193. 
Petaloid ambulacra in Clypeaster 
and Echinocardium ; Hawkins, 95 : 
Amb. in Conulus, Echinoneus and 
Lanieria ; Hawkins, 96 : Perignathic 
girdlo (abnormal) in Echinus esculentus ; 
Hawkins, 98. 
Vertebrae and jaws of A crura, 
Onychaster and Ophioderma ; Sollas, 
289. 
Ventral sac and arms of Hydreiono- 
crinus ; Bather, 9 : calyx in Ottawa - 
crinus ; Bather, 12 : patina of Psali- 
docrinus ; Reme§ & Bather, 235 : 
Tapering crinoid stems from Roscobie ; 
Bather, 10 : Anal plates of crinoid 
lame ; Clark, A H., 34. 
6. Hydrocoel, etc. 
Petaloid ambulacra in Clypeaster 
and Echinocardium ; Hawkins, 95. 
Hydropores and pore-rhombs in 
Cyst. ; Bather, 11. 
7. Other body cavities. 
Blood-plexus in Cothurnocystis ; 
Bather, 11. 
8. Digestive system. 
Maxillae, epiphyses and compass of 
lantern of Perischodomus ; Hawkins, 
97 : Teeth in larval Echinocardium ; 
MacBride, 137. 
Position of anus in Hydreionocrinus ; 
Bather, 9. 
Course of gut and position of anus 
in Cyst. ; Bather, 11. 
9. Nervous system, 
Nerve centre in Cothurnocystis ; 
Bather, 11. 
10. Mesodermal tissues. 
Of larval Arhacia ; Ubisch, 325. 
12. Generative organs. 
Traces of genital glands in Neogene 
Ech., from Mediterranean basin ; 
Cottreau, 52. 
Position of gonopore in Cyst. ; 
Bather, 11. 
PHYSIOLOGY. 1011 
1. General. 
Jordan & Kellogg, 111 : Maas, 136 : 
Ohm, 195 : Roux, 249 : Walther, 340 : 
Wimmer, 356 : Winkler, 357. 
Of Spatangidae ; Gandolfi-Hornyold, 
81 : of larva of Echinocardium ; 
MacBride, 137. 
Action of light on Ech. ; Dubois, 61 : 
Coloration of Echinus angulosus ; 
Thomson, 312. 
Co-ordination and righting in 
Asterias ; Cole, 48. 
Changes in Lecithin content during 
development of Sea-Urchin Eggs ; 
Robertson & Wasteneys, 243. 
