60 Gen. Sub. 
I. GENERAL SUBJECTS. 
(702, 704).—Relation of axis of embryo to first cleavage plane; Cla.pp 
( 123).—Necessity of free development for the embryo; Schultze, 0. 
(703).—Heteroblastie ; Salensky (679).—Cell-lineage and ancestral rem¬ 
iniscence ; Wilson (839).—Alleged mutual influence of blastomeres; Loeb 
( 463).—Protoplasmic movement as a factor of differentiation; Conklin 
( 133).— Adaptation in cleavage; Lillie (454). — How far is reversal 
cleavage in ovum of Ancylus to be associated with the sinistral asymme¬ 
try; Holmes (360).—The question of germinal layers in its pathological 
bearings; Klaatsch (401).—Germinal layers, homology of, in discussion 
on position of sponges; Delage and others (166).—Theory of archimeric 
segmentation; Masterman (504).—Role of leucocytes in metamorphosis; 
Burnens (99).—Poly- and mono-embryonic development; Marchal (497). 
b. Particular organs and parts. 
Development of the head; Corning (136). — Segmentation of the 
vertebral column ; Salvi (680). — Development of ganglion-cells and 
nerves—mesoblastic ; Goronowitsch (284). — Germinal cells in white 
matter of the spinal cord in later stages of embryos and in newly born 
mammals; Sclavunos (710).—Parietal organs and paraphyses; Rohon, 
J. V. (667).—Origin of the thymus; Beard (47).—Comparative embry¬ 
ology of thyroid, thymus, etc.; Maurer (512).—Post-embryonic regener¬ 
ation of muscle in rats; Morpurgo (554 & 555).—Reduction in number of 
muscle fibres and hypertrophy of the survivors in post-embryonal life of 
mammals; Meek (518 & 519).—Factors in the growth of muscle; Meek 
( 518 & 519).—Discussion of marine larvae; Roule (671).—Development of 
blood corpuscles in mammals; Maximow (513 & 514).—Histogenesis of the 
mesenchyme; Spuler (738).—The share of the ectoderm in forming the 
mesenchyme of lower Vertebrates; Lundberg (482).—Cell-origin of the 
prototrocli; Mead (517).—Behaviour of nuclei in the development of 
Ascaris ; Boveri (83).—Relation of yolk-elements and germ-layer cells; 
Lavdowsky & Tischutkin (431).—Increase of weight of eggs at expense 
of air and water; Dubois (185 & 186).—Equal and unequal cleavage, in 
Annelids; Treadwell (772).—Physical analysis of pigment accumulation 
etc. in ova; Rhumbler (656).—Formation of abnormal blastoderm in 
hen’s egg without further embryonic development; morphological de¬ 
ductions from the facts; Rabaud (634).—A tooth in a testicle of a 
horse; Mettam (533).—Double-formations in egg of fowl, discussion of; 
Kaestner (384).—Olfactory nerve in fishes; Locy (462). 
c. Experimental. 
Summary as to developmental mechanics; Endres (210).—Merogonic 
fertilisation—of non-nucleated ovum fragments; Delage (163-165).— 
Experimental production of cauda bifida in larvse of Amphibians; Bar- 
furth (41).—Teratogenetic experiments on Amphibians; Bertacchini 
( 61).—Experimental teratogeny; Fere (223).—Influence of alcohol on 
development of hen’s eggs; Fere (224).—Effects of injections of bromides 
of potassium and sodium on the development of embryos of the fowl; 
Fere (225).—Influence of ammonia vapour on development of hen’s eggs ; 
Fere (226).—Changes induced by centrifugal force in development of 
frog’s ova ; Hertwig, O. (343).—Conditions of temperature in development 
of frog’s eggs; Hertwig, O. (344).—Artificially induced inflammation in 
Amphibian ova; Levi (448).—Experimental manipulations of blastoderm 
of fowl’s egg; Mitrophanow (536).—On early stages in development of 
hen’s egg; Mitrophanow (537).—Influence of salt solution on eggs of 
sea-urchin, etc. in inducing phenomena like cleavage; Morgan (552).— 
