THORACENTESIS. 491 



severed in after the thoracentesis, including the counter-irrita- 

 tions, diuretics, tonics, stimulants, alteratives, etc. 



The operation is performed on the dog also in the same man- 

 ner as on the horse, but either with smaller trocars, or, what is 

 better, with some one of the aspirators recently invented. 



With this animal the results are more satisfactory on account 

 of the simplicity and unilateral development of the pleuritic 

 effusion. 



