622 Wisconsin Academy of Sciences, Arts, and Letters. 
Ducts :—For the purpose of analysis the following nomencla¬ 
ture of the ducts is made use of, viz., ducti hepatici, ductus he¬ 
paticus dexter, ductus hepaticus sinister, ductus hepaticus pro- 
prius, ductus cysticus, ductus choledochus (Fig. 2). 
Fig. 1—Case No. 62. The distribution of the ducts' is typical. R. M., Right 
median lobe; R. L., Right lateral lobe; C., Caudate lobe; L. L., Left lateral 
lobe; L. M., Left median lobe; Q., Quadrate lobe. 
Fig. 2.—Case No. 33. A ductus hepaticus proprius is present. D. H. D., Duc¬ 
tus hepaticus dexter; D. H. S., Ductus hepaticus sinister; D. H. P., Ductus 
hepaticus proprius; D. Cy., Ductus cysticus; D. Ch., Ductus choledochus. 
Ducts from the lobes of the- liver toi the ductus cysticus or to 
the ductus choledochus are called ducti hepatici. 
A duct formed by blanches coming from the right median and 
right lateral lobe is called the ductus hepaticus dexter. 
