An introduction to the study of cytology / by L. Doncaster.

  • Doncaster, L. (Leonard), 1877-1920.
Date:
1920
Catalogue details

Licence: In copyright

Credit: An introduction to the study of cytology / by L. Doncaster. Source: Wellcome Collection.

    18/352 (page 12)
    LIST OF PLATES AND TEXT-FIGURES PLATES PLATE I. Echinus larvae from nucleated and non-nucleated egg-fragments, after Boveri. Amitotic nu- clear division, from Marshall To face P- *5 II. Stages of mitotic division in Sea-urchin egg, from Wilson and Leaming ..... P- 30 III. Origin of centrosomes and spindle in the egg of the Axolotl, after Jenkinson .... p. 46 IV. Stages of the maturation divisions (meiosis) in the spermatogenesis of Lepidosiren, from Agar . P* 63 V. Prophases of the heterotype division in spermato- cytes of the Guinea-pig, after Moore and Walker. Heterotype mitoses in spermatocytes of Steno- bothrus, after Davis ..... p. 67 VI. Diagrams illustrating the hypotheses of telosyn- desis and parasyndesis, after Gregoire p. 69 VII. Maturation divisions with Tetrad formation in Cyclops, from Ruckert .... p. 72 VIII. Development of the oocyte in Paludina, after Popoff ....... p. 76 IX. Production of polar bodies in the egg of Physa, from Kostanecki and Wierzejski p. 78 X. Conversion of the spermatid into the spermatozoon in Euschistus, after Montgomery. Sertoli cells in testicular tubule of the Rat, from Ivorschelt and Heider. Apyrene spermatozoon of Vermetus, after Kuscha- KEVVITSCH ....... P- 94 XI. Mitochondria in spermatogenesis of Lepidoptera, from Gatenby ...... P. 96 XII. Stages of fertilisation of the egg of the Sea-urchin, from Wilson and Leaming .... p. 112 XIII. Oogenesis and spermatogenesis in Aphids, after Morgan ....... p. 127 XIV. Spermatogenesis of the Hornet, after Meves P- 134 XV. Spermatogenesis of the Hive Bee, from Mark and Copeland . .to follow plate XIV