Blood — Continued 

 circulating 



differentiation factor for er) tliroblasts, 112, 113 

 embryo, 104-140 

 cells normally — 

 absent, 132 

 present, 133, 141 

 cells occasionally present, 133, 139-140 

 defense reaction in, 133 

 dorsal aorta. 94, 96, 226-227 

 heart, 98, 100, 103, 106, 139, 227 

 hatched chicken, 17-93, 111, 157, 164, 165 

 low leukocyte level, 157, 164 

 ratio of hetero])hils to nongranular leukocytes, 



164, 165 

 clotting, compared with mammal, 46 

 from cubital vein, 18, 108, 111, 139 

 serum 



compared with mammal, 41 

 granules, stained, 41, 93 

 smear, gross appearance, 4, 15 

 spot 



heterophil, rod to granule, 87 

 macrophage, 64, 139 

 from fibroblast, 134 

 surface tension, 227 

 technic 



avian, 222-234 



cannula, 139, 225-226, 227 



procuring, 225-228 



samples, carrying box, 227-228 



smear 



cockroaches and flies 

 damage from, 34 

 protection against, 39 

 contaminant, 41. 169. 176, 179 

 cover glass on slide, 229 

 distribution of cells, 15 

 embryo. 226-227 

 infrared lamp, 226, 227, 229 

 number of slides needed, 84, 217 

 relative value, 1-3, 154 

 values. See Buffy coat; Hematocrit; Hemoglobin; 



etc. 

 vessel ( s ) 



erythroblasts 



inside, 104, 112, 113 

 outside, 113 

 of bone marrow, 151 

 l>lugged 



effect of splenectomy, 29, 181 

 in bone marrow, 181 

 viscosity, 210 

 See also specific cells 

 Bloom (1938), 47 

 Blount (1939a). 215 



(1939b), 41, 42 



Bobwhite, erythrocyte count, 218 

 Bone 



epiphyseal center, lacking in birds 141 

 vessels of marrow, 151 



Bone marrow, 157, 164, 165, 181-201 

 basophil, 182 

 series, 191 

 cavity 

 blood 



beginning formation, 152 

 vessels, 151 

 cartilage cells in, 153 

 cells from mesenchyme, 151 

 development phases, 151 

 enlargement, 151 

 count 



Arneth, 221 



differential, 198-199, 200 

 embryo, 141, 142, 144, 146, 148, 151-155 

 eosinophil, 146 



series, 191 

 erythroblast, 182 

 erythrocyte, 142, 144, 146, 164 



discharge at mid-polychromatic stage, 164 

 series, 184 

 granuloblast, 146 

 granulocyte. 144, 193-197 

 heterophil, 142, 144, 146, 164, 165, 182 

 small size. 73 

 series, 188 

 lymphocyte, 182 

 lymphoid nodule, 181 



osteoblast, 142, 144, 148, 151, 152, 164, 200 

 osteoclast, 13, 151, 152, 153, 198, 200, 204 

 mononuclear, 13, 142, 148, 153, 164 

 multinuclear, 13, 142, 198 

 series, 13 

 plasma cell, 166, 197-198, 203 



primordial osteogenic cell, 142, 144, 146, 148, 151, 



152 

 serum, stain in. 41, 148 

 thromboblasts, 146, 164, 182, 193 

 thrombocyte, 146, 191, 193 

 series, 164, 182, 186 

 Bradley (1937), 41, 42, 87, 88 

 Branta canadensis. See Goose, Canada 

 Breusch (1928), 23, 86, 215 

 Brilliant cresyl-blue. See Stain and staining 

 Bryan and Garrey (1935), 233 

 Bubo virginianus. See Owl, great horned 

 Buffy coat 



cell types in, 232 

 line difference, 215 

 sex, 216 



significant variability, 217 

 Bunting 



Arneth count, 221 

 indigo (Passerina cyanea) , 202 

 erythrocyte, 210 

 Burckhardt (1912), 28, 83, 215 

 Burmester, Gentry, and Waters (1955), 133 



Severens, and Roberts ( 1941 ), 199 



Burnett (1908), 215 



Buteo borealis. See Hawk, red-tailed 



247 



349126—61- 



-14 



