216 DR. MARTIN BARRY ON THE CORPUSCLES OF THE BLOOD. 



the Mammal, and s of fig. 51. from the Fish. ^. Globules composed of 

 discs surrounding a pellucid cavity. Compare with the nucleus of d 

 in fig. 45. from the Bird, g, g, g. Cup-like objects composed of discs ; one 

 of them in outline. ^. One of the same objects apparently in a more 

 incipient state. Compare the objects g and ^ with those in fig. 58. from 

 the Turtle. 



Fig. 58. Turtle. Cup-like objects observed in the blood, after the addition of acetic 

 acid. Five of them are in outline. Compare these objects with s of 

 fig. 57. from the Oyster. 



Fig. 59. Qyi {Bos Taurus, Yti^^.). Embryo of about one inch in length. Globules 

 and other objects from the brain. They are composed of discs. Com- 

 pare these objects with some of the nuclei of blood-corpuscles in Plates 

 I. and II. Acetic acid had been added. 



Fig. 60. Objects from the Brain of another embryo of the same animal, measuring 

 if inch in length, after the addition of acetic acid. Previously such 

 globules in many instances seemed to be surrounded by the membrane 

 of a minute cell. Compare as in the description of fig. 59. 



Fig. 61. Lobster {Cancer marinus, Linn.). Corpuscles (partly in outline) observed 

 in the blood, after the addition, — a. of alcohol, — j3. of acetic acid. 



Fig. 62. Leech {Hirudo medicinalis, Linn.). Corpuscles of the blood. Some were 

 observed larger than any of those represented in the figure. 



