3H 



INDEX. 



Herdman, 183, 277, 293. 

 Hermaphrodite, 187, 196. 

 Jiexanchus, 173. 

 HjORT, 225, 293. 

 HOCHSTETTER, 54. 



Hood, nerve-plexus of oral, 84, 178. 

 oral, 12, 147, 150, 178. 



HUBRECHT, 258, 259, 260, 287, 291. 



Huxley, 20, 22, 41, iii. 

 Hypophysis, 160, 165, 178, 190, 191, 195, 

 225, 283-288, 290, 292. 



Ichihyophis glutlnosus^ 67. 

 Infundibulum, 102, 283, 285. 

 Insects, compared with Vertebrates, 2-4. 

 Involutions, atrial, 209, 241, 



JULIN, 187, 190, 197, 200, 224, 225, 226, 

 292. 



Kastschenko, 175. 



Kidney, 65. 



Klinckowstrom, 207. 



Kolliker's olfactory pit, 19. 



KOPPEN, 103. 



KORSCHELT and HEIDER, 178. 



KOWALEVSKY, 4, I04, II4, I74, I96, 2l6, 



240. 

 Krohn, 197, 250. 



KUPFFER, 101, 102, 128, 129, 175, 283, 287. 



Lamella, post-oral, 264. 



Lamina, dorsal, 183, 185, 195, 226. 



terminalis, 284. 

 La7nprey (see Petromyzon) , 

 Lang, 291. 



Langerhans, 21, 56, 98, lOI, X54. 

 Lanice conchilega, 80. 

 Lankester, 38, 41, 58, 62, 98, III, 237, 

 262, 266. 



LEUCKART, 100. 



Levdig, 4. 



Ligamentum denticulatum, 25,63, 164. 

 Limax lanceolatus, 7. 

 Line, lateral, 21, 42-45. 

 Liver, 24. 



Lobe, prceoral, 218, 222, 228, 229, 254, 

 267-280, 290, 292. 



procephalic, 272. 

 Lobus olfactorius impar, 102, 283, 284. 

 Locomotion, caudal, 103, 203. 



ciliary, 121. 



muscular, 121. 

 Lohnia medusa, 80. 



Lumbricus, 79, 272. 

 LWOFF, 175. 

 Lymph-spaces, 15, 51. 



MacBride, 271. 

 Mantle, cellulose, 183. 



muscular, 183. 

 Marshall, Milnes, 177. 

 Maturation, 106. 

 Mauthner, fibres of, 94. 

 Mayer, Paul, 99, 100. 

 Medulla oblongata, 91. 

 Membrane, interccelic, 152. 



vitelline, 105. 

 Merlucius, 67. 



Mesenchyme, 201, 217, 220-222, 261. 

 Mesoderm, iii, 114, 120, 122, 199-201, 



221. 

 Mesonephros, 66. 



Metamerism, 64, 132, 196, 246-247, 291. 

 Metamorphosis, 136, 150, 215, 223, 250, 256. 

 Metanephros, 66. 

 Metcalf, 293, 

 Metschnikoff, 251. 

 Meyer, Eduard, 80. 

 Milne-Edwards, 197. 

 Ml NOT, 155. 

 M'INTOSH, 263, 

 Alolgiila, 194. 



Molgula manhattensis, 210, 232, 240. 

 Morgan, T. H., 232, 245, 247, 253, 256, 



274. 

 Mouth, 19, 117, 131, 143-144, 146, 150, 



176, 178, 229, 276, 280-282. 

 asymmetry of, 157-160. 

 MiJLLER, Fritz, 250. 

 Muller, J., 8, 18, 50, 56, 59, 250. 

 MiJLLER, W., 102, 167. 

 Muscles, 34-37, S6, 122, 195, 203, 222, 



235- 

 Muscle-fibres, origin of, 121. 

 Musculature (see Muscles). 

 Myoccel, 121. 

 Myotomes, 13, 150. 

 Myxine, gill-slits of, 171. 



hypophysis of, 285. 



pronephric duct of, 100. 



Nansen, 103. 



Nassonoff, 190. 



jyemertines, 249, 256-261, 272, 273. 



lateral nerves of, 259. 



medullary nerve of, 2^9, 260. 

 Nephridium, 62, 79, 99, 261. 



