...While these subtle forces have generallyfollowed the natural cleavage of common blood, descent and physicalpeculiarities, they have at other times swept across and ignored these... 
W. E. Burghardt Du Bois 「The Conservation of Races」
...At the commencement of the cleavage itgathers at the equator of the cell, between the stellar poles, and forms acrown of U-shaped loops (generally four or eight, or some other definitenumber)...
Ernst Haeckel 「The Evolution of Man」
...In these the multiplication of individuals takes place byunsexual reproduction, which takes the form of cleavage, budding, orspore-formation...
Ernst Haeckel 「The Evolution of Man」
...The final result of thisrepeated cleavage is the formation of a globular cluster of similarsegmentation-cells, which we call the mulberry-formation or morula...
Ernst Haeckel 「The Evolution of Man」
...The inert mass of the passivefood-yelk is solarge in these cases that the protoplasmic contractions of the active yelkcannot effect any further cleavage...
Ernst Haeckel 「The Evolution of Man」
...In these cases the cleavage of the ovum begins atthe upper pole, and leads to the formation of a dorsal discoid embryo...
Ernst Haeckel 「The Evolution of Man」
...Next, each of thefour upper ones divides into two halves by a cleavage beginning from the northpole, so that we now have eight above and four below (Fig...
Ernst Haeckel 「The Evolution of Man」
...Only the formative yelk undergoes cleavage, the nutritiveyelk not dividing at all at first...
Ernst Haeckel 「The Evolution of Man」
...Themuch larger food-yelk, which does not share in the cleavage, is left out andmerely indicated by the dark ring without...
Ernst Haeckel 「The Evolution of Man」
...; the formative yelk alone undergoes cleavage...
Ernst Haeckel 「The Evolution of Man」
...The whole life of these homogeneous globules of plasm consistsof simple growth and reproduction by cleavage...
Ernst Haeckel 「The Evolution of Man」
...In all the Metazoa the first embryonic process is therepeated cleavage of the stem-cell, or first segmentation-cell (Fig...
Ernst Haeckel 「The Evolution of Man」
...But gradually smallcommunities of Amœbæ arose by the side of these eremitical Protozoa, thesister-cells produced by cleavage remaining joined together...
Ernst Haeckel 「The Evolution of Man」
...In the embryos of the mammals the red cells have a nucleus and thepower of increasing by cleavage (Fig...
Ernst Haeckel 「The Evolution of Man」
...The individual as such is annihilated in the act of cleavage (cf...
Ernst Haeckel 「The Evolution of Man」
...235 e); the latter are very small on accountof their repeated cleavage, and change into mobile cone-shaped spermatozoa(Fig...
Ernst Haeckel 「The Evolution of Man」
...In this respect they differfrom the larger stones of which the mission walls were built, for in thismasonry the natural cleavage is utilized for the face of the wall...
Jesse Walter Fewkes 「Archeological Expedition to Arizona in 1895」
...Since the lines of cleavage are so widelydissimilar in the two cases, both methods of study are necessary to acomplete understanding of a picture...
Estelle M. Hurll 「The Madonna in Art」
...A winding passage showed between sheer walls of snow white, where giantcrystals had parted along their planes of cleavage...
Charles Willard Diffin 「Two Thousand Miles Below」
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