734 
INDEX. 
Gastrulatiou in birds, by Assheton, 
145 
Gray on the effects of hypertonic 
solutions upon the fertilised eggs 
of Echinus, 447 
Grosvenor, G. H., on the life-cycle of 
Moina r ectirostris, 511 
Haddon, Miss Kathleen, on H erpy 1- 
lobius arcticus, 385 
Hsemogregarines of lizards, by 
Woodcock, 172 
Halteridiixm, nuclear structure of, 
by Woodcock, 215 
Herpyllobius arcticus, by Kath- 
leen Haddon, 385 
Hybrids of Echinus, early segmenta- 
tion of, by Doncaster, 483 
Hybridisation, experimental, in 
Echinoids, 299, 325, 337 
Immunity to Leishmaniosis in rats 
and guinea-pigs, by Visentini, 373 
Johnson, Gilbert E., on the nema- 
todes of the common earthworm, 
G05 
Kala-Azar, Loishmania of, by Visen- 
tini, 353 
Karyolj'sus lacertoe, by Wood- 
cock, 172 
Leishmania of Italian kala-azar, by 
Dr. Arrigo Visentini, 353 
Leishmaniosis, the transmission of, 
by means of cultures, by Visentini, 
373 
Leucocytozoon, nuclear structure of, 
by Woodcock, 215 
Lloyd, Miss Jordan, and Cresswell 
Shearer, on methods of producing 
artificial parthenogenesis in Ech- 
inus esculentus, 523 
Loxosoma, two new species of, by 
Assheton, 117 
MacBride, Prof., on the result of, 
crossing E chinocar dium cor- 
datum with Echinus escu- 
lentus, 299 
Mitosis, the problem of, by C. F. tT. 
Meek, 567 
Meek, C. F. U., on the problems of 
mitosis, 567 
Moina rectirostris, life-cycle of, 
Grosvenor and Geoffrey Smith, 511 
Nematodes of the common earth- 
worm, by Gilbert E. Johnson, 605 
Nerve, fifth cranial, ganglionated 
nerve-fibres of muscles innervated 
by, by Prof. Edgeworth, 593 
Nicholls, Professor Geoi'ge E., on the 
structure and development of 
Eeissner’s fibres, 1 
Parthenogenesis, artificial, in Echi- 
nus e s c u 1 e n t u s, by Shearer and 
Lloyd, 523 
Pathological changes in chondrio- 
somes, by J. O. Wakelin Barratt, 
553 
Phoronidea, two new species of, from 
Vancouver Island, by Miss Pixell, 
257 
Pigeons, hybrid, spermatogenesis in, 
by Geoffrey Smith, 159 
Pixell, H. L. M. on two new species 
of Phoronidea from Vancouver 
Island, 257 
Potts on stolon formation in Try- 
panosyllis, 411 
Bearing parthenogenetic plutei 
through metamorphosis, by 
Shearer and Lloyd, 523 
Reissners’s fibres, structure and 
develoj)ment of, by George E. 
Nicholls, 1 
Rockling, dorsal vibratile fin of, by 
Stuai-t Thomson, 241 
