294 



THE BLOODVESSELS, BY C. J. EBERTH. 



pal statements of Arnold, but, at the same time, have esta- 

 blished the occurrence of a laminated epithelium lining the 

 interior of the vascular sacs, and have pointed out the analogy 

 of these with the carotid glands of the frog, and termed them 

 caudal hearts. 



The subject has again been taken up very recently by 

 Sertoli,* and the results of his inquiries are not in accordance 



Fig. 55. 



^?fei: vc%iftj\vr ' ^~ ; - -?%>"-? -_~'/' l l!y 



Fig. 55. Section of a naturally injected coccygeal gland, a, vessels ; 

 b, collection of cells. 



* Archivfiir Pathologische Anatomic, Band xliii., p. 380. 



