PLATE VI 



BLOOD. 



(Ehrlich triple stain.) 

 (Prepared by Dr. I. P. LYON.) 



Fig. I. TYPES OF LEUCOCYTES. 



a. Polymorphonuelear Neutrophile. b. Polymorphonuclear Eosinophile. c. Myelocyte 

 (Neutrophilic). d. Sosinophilie Myeloeyte. e. Large Lymphocyte (large Mononuclear). 

 /. Small Lymphocyte (small Mononuelear). 



Fig. II. NORMAL BLOOD. 

 Field contains one neutrophile. Reds are normal. 



Fig. III. AN/EMIA, POST-OPERATIVE (secondary). 



The reds are fewer than normal, and are deficient in haemoglobin and somewhat 

 irregular in form. One normoblast is seen in the field, and two neutrophiles and one 

 small lymphocyte, showing a marked post-hsemorrhagie anaemia, with leucoeytosis. 



Fig. IV. LEUCOCYTOSIS, INFLAMMATORY. 



The reds are normal. A marked leueoeytosis is shown, with five neutrophiles and 

 one small lymphocyte. This illustration may also serve the purpose of showing the 

 leueoeytosis of malignant tumor 



Fig. V. TRICHINOSIS. 

 A marked leucoeytosis is shown, consisting of an eosinophilia. 



Fig. VI. LYMPHATIC LEUKEMIA. 



Slight anaemia. A large relative and absolute increase of the lymphocytes (chiefly 

 the small lymphocytes) is shown. 



Fig. VII. SPLENO-MYELOGENOUS LEUKAEMIA. 



The reds show a secondary anaemia. Two normoblasts are shown. The leueoeytosis 

 is massive. Twenty leucocytes are shown, consisting of nine neutrophiles, seven myelo- 

 eytes, two small lymphocytes, one eosinophile (polymorphonuclear) and one eosinophilie 

 myeloeyte. Note the polymorphous condition of the leucocytes, i.e., their variations 

 from the typical in size and form. 



Fig. VIII. VARIETIES OF RED CORPUSCLES. 



a. Normal Red Corpuscle (normoeyte). b, c. Anaemic Red Corpuscles, d-g. Poikiloeytes. 

 ft. Mierocyte. i. Megalocyte. j-n. Nucleated Red Corpuscles, j, k. Normoblasts. I. Micro- 

 blast. m,n. Megaloblasts. 



