INDEX. 



313 



Equilibration, 44, 205. 

 Equilibrium, 10, 43. 

 ERLANGER, 220. 

 Evolution, parallel, 80, 247, 290. 

 Eye of Ascidian tadpole, 102, 206. 

 Eye, median, 18, 102, 130. 



myelonic, 207. 



pineal, 207-209. 

 Eyes, paired, 102. 



Fascia, 36, 123. 

 FELIX, 99. 



Fertilisation, 106, 188. 

 Fibres, giant, 92-94, 103. 



Miillerian, 94. 



of Mauthner, 94. 



supporting, 89. 

 FIELD, G. W., 254. 



Fierasfer, 67. 



Fin, definitive caudal, 131. 



provisional caudal, 115. 

 Fin-rays, 15. 

 Fins, 15, 44. 



lateral, 38, 42. 



Fixation, organ of, 222, 229, 271, 280. 

 FLEMMING, 99. 

 Flexure, cranial, 92, 279. 

 FOL, 239. 

 Folds, medullary, 199. 



metapleural, 15, 38, 42, 43, 76, 132, 176. 

 Follicle, 105. 

 Food, 9, 39, 185, 249. 

 FOWLER, G. H., 262, 266, 267. 

 FRORIEP, 175. 



Function, change of, 176, 280. 

 Funnels, atrio-ccelomic, 58, 98. 



brown (same as preceding). 



ccelomic (see also Nephrostomes), 

 62. 



FUSARI. 87, 163. 



Fusari, plexus of, 87, 178. 



FURERINGER, 99. 



Ganglia, peripheral, 85, 88. 



spinal, 84, 103. 

 Ganglion, Ascidian, 188, 224, 225. 



cerebral, 96, 270, 272-274. 

 Ganglion-cells, 89, 91. 



bipolar, 95. 



giant, 92. 



multipolar, 92. 

 GARSTANG. 240, 250. 

 Gastrula, no, 197. 



significance of, ill. 



Gastrulation, 109. 

 GEGENBAUR, 249, 273. 

 Germ-layers, primitive, no, 114. 

 Gill-bars, 28, 32-34. 



blood-vessels of, 48-49. 

 Gill-pouches, 165, 166. 

 Gill-slit, first, 117, 118, 132, 141, 166, 170- 



172. 



Gill-slits (see also Stigmata), 17, 27, 100, 

 130-132, 135-138, 139, 148-149, 1 60, 

 173-174, 195, 229, 234, 243, 244, 264, 

 289. 



asymmetry of, 157-158. 

 atrophy of, 140, 143, 149. 

 Gland, club-shaped, 116, 117, 134, 138, 



141, 170-172, 176. 

 pyloric, 236. 

 subneural, 188-191, 225. 

 thyroid, 169-170. 

 thymus, 29, 30. 

 Glands, fixing, 204. 

 Glomerulus, 64, 65, 69, 100. 

 Gnathostome, 46. 

 Gobius capita, 282. 

 GOODSIR, 8. 

 DE GRAAF, 208. 



Groove of Hatschek, 21, 51, 135. 

 Groove, epibranchial, 226. 

 hyperbranchial, 34, 39, 195. 

 hyperpharyngeal (same as preceding) . 

 hypobranchial (see also Endostyle), 



9, 167. 



medullary, 112, 198. 

 pericoronal (see Bands, peripharyn- 



geal). 

 peripharyngeal (see Bands, peripha- 



ryngeal) . 

 Gut, post-anal, 203, 



HAECKEL, 5, 46, in, 177. 



HANCOCK, 190. 



HARMER, 263, 289. 



VAN HASSELT, 193. 



HATSCHEK, 41, 91, 102, 103, 104, 112, 115, 



118, 174, 175, 292. 

 Hatschek's nephridium, 172. 

 Head-cavities of Ammoccetes, 129. 



of Amphioxus, 126-128. 



praemandibular, 128, 175, 279-280. 



of Sagitta, 277. 

 Heart, 46, 51-53, 191, 192. 



recurrent action of, 193. 

 HEIDER (see KORSCHELT and HEIDER). 

 Heptanchus, 173. 



