THE MALPIGHIAN CORPUSCLES. 



217 



Fig. 92. 



Diagram of Malpjghian circu- T . . . 



lation. es. Dr. Isaacs s in- 



vestigations are entirely confirmatory of 

 Mr. Bowman's views, so far as structure 

 is concerned. Fig. 93 is a view obtained 

 by agitating scrapings of the kidney of a 



~ 04 



their plexus upon the uriniferous tube ; st, straight 

 tube ; ct, convoluted tube. 



I am indebted to Dr. Isaacs for the following in- 

 structive figures and descriptions from his paper read 

 before the Academy of Medicine. His method of 

 examination of the Fig. 93. 



minute mechanism 

 of the kidney, by 

 rendering small por- 

 tions of it transpa- 

 rent, greatly facili- 

 tates these research- 



tuft with uriniferous tube, 



nified 75 diameters. 



Ruptured Malpighian coil of the deer, magnified 80 diameters. 



Fig. 95 



Nucleated cells c i coil, magnified 80 diameters. 



sheep (which had pre- 

 viously been injected 

 with chrome yellow 

 and sulphuric ether) in 

 a test-tube with water. 

 The portion on the left 

 shows the tuft alone, 

 that on the right its 

 reception in the urinif- 

 erous capsule. 



Fig. 94 shows the 

 artery, filled with in- 

 jection, and the Mal- 

 pighian coil or tuft rup- 

 tured in the capsule. 

 The injected material 

 lies in broken portions. 

 Fragments of the in- 



