10 slides

1 - Chicken, 24 hour, t.s. with neural groove, notochord, germ layers
2 - Chicken, 36 hour, t.s. with neural tube, differentiation of mesoderm
3 - Chicken, 48 hour, l.s. with differentiation of mesoderm and ectoderm
4 - Chicken, 3 day, t.s. through body showing amnion and serosa. myotom, primordium of kidney, aorta, extraembryonic vessels
5 - Chicken, 3 day, t.s. of head with primordium of brain, eyes and heart
6 - Chicken, 3-4 day, horizontal section of entire specimen shows primordia of various organs, gill slits
7 - Chicken, 4-5 day, t.s. through region of head with brain, gill arches
8 - Chicken, 4-5 day, t.s. through region of heart shows heart, lungs, vertebrae, spinal cord
9 - Chicken, 8 day, sagittal l.s. through entire specimen showing various embryonic organs
10 - Chicken, feather development, sec. through wings in different stages of the development