Epiphysial center, 111 

 Erdmann (1917), 181 



Erismatiira jamaicensis. See Duck, ruddy 

 Erythrohlast(s),10, 192 

 blast cells compared, 9, 192 

 characteristics, 11, 26, 112, 192 

 embryo, 31, 114, 158 



hemoglobin acquisition, 104, 112 

 later generations, 98, 100, 114, 128 



in spleen, 156 

 mitosis, 122 



nucleus, poorly stained, 122 

 thromboblast, compared with, 128 

 in bone marrow, 181, 182, 184, 191, 192, 200 

 in circulating blood, 23, 24, 94 

 in spleen, 157, 160 



intravascular and extravascular, 113 

 primary 



basophil, 118 



cell size, difference, 116, 118 



changes during incubation, 113, 114, 118 



chromosome, 117 



disappearance from circulation, 112, 113 



division. 118 



mitosis, abnormal. 117 

 first appearance, 112 



at 22 to 29 somites, 31 

 giant, 117 

 hemoglobin 

 little, 26 



precocious, 112, 129 

 like thrombocyte 

 clumping, 130 

 origin, 130 

 smudged, 94 



term, synonymous with megaloblast, 116 

 resembles large lymphocyte, 24 

 terminology, 192 

 Erythrocyte(s), 17-41, 155 

 abnormal, 20, 30-33, 34 

 aged, 29, 30 

 artifact, 33, 36, 39-41 

 atypical, 27, 30-33, 34 

 bone marrow, 181, 182, 184, 192, 193 

 Cabot's ring, 39, 40 

 count (s) 



birds, except chickens, 218, 219 

 brooding vs. laying hen, 218 

 chickens. 216 

 diurnal effect, 218 

 effect of — 

 altitude, 218 

 season, 218 

 sexes, 216, 218 

 variability, 217 

 crossed cells, 210 

 debris on, 146 

 developmental stages 



circulating blood, 24-30, 164, 210 

 tissue culture. 104, 116 



Erythrocyte! s) — Continued 

 effect of — 



antimalarial compounds, 33 

 fixation, 94 



Petrunkevitch No. 2, 80 

 splenectomy, 29 

 embryo, 192 



artifact, 98, 100, 103, 124, 127 

 bone marrow, 142, 144, 146 

 cell, description. 115-130 

 changes during incubation, 113, 114 

 developmental stages in circulating blood, 94, 96, 



98, 100, 104-130 

 differential count, 113, 114 

 division, 94, 96 



generations, 104, 114, 128-130 

 life span, 114 

 mature. 103, 113, 142, 144 

 polychromatic 

 early, 100, 124 

 mitosis, 128 

 late, 100. 103. 106, 113, 114, 124, 128, 129, 142 

 mid-, 100. 106. 113, 114 

 spleen, 157. 160 

 mitosis. 157 

 generations of, 9, 104-105, 114 

 giant, 17, 117 



hemoglobin and basophilia, 29 

 immature, 23 

 in bone marrow, 182 

 life span, 32 

 line differences, 215 



mature. 10, 11, 23, 108. Ill, 146, 182, 184 

 cyto|)lasm texture. 11 

 in bone marrow. 200 

 normal. 17-24, 29 

 typical, 17, 18, 20, 23, 211 

 deviations from, 17, 18 

 multipolar. 17 

 nucleus. 20 

 age of, 11 

 aged. 23. 30 

 double. 23, 27 

 size, 211, 212 

 squashed, 18 

 origin, intravascular, 104, 113, 128, 141 

 orthochromatic, 23, 26 

 percent rise and fall, 113 

 polychromatic, 24, 25, 26, 27, 192, 198 

 artifact, 33, 144 

 basophil, synonym, 24 

 early. 10, 11, 23', 181, 182, 184, 192, 200 

 late, 10, 11, 23, 26, 108, 182, 184, 192, 200 

 atypical, 23 

 mitosis, 157, 160 

 mid-, 10, 11. 23, 26, 184, 192, 200 

 enters circulation, 164 

 mitosis, 160 

 primary, 115-120, 127-128 

 abnormal, 120 

 amitosis. 128 



253 



