88 MANUAL OF HISTOLOGY. 



condition, which he regards as an early form of cartilage, undergoes changes, 

 in so far that the intercellular network is enlarged and narrowed so as to give 

 the appearance of fascicles or bundles of parallel fibres. The meshes are filled 

 with a finely granular substance which is thought to be partly formed at the 

 expense of the network. The method employed in demonstrating these ap- 

 pearances consisted in taking the articular extremities of frog's bones, im- 

 mersing them three to four days in alcohol, then cutting thin sections, and 

 finally, examining them in alcohol. 



BIBLIOGRAPHY. 



TILLMANNS. Archiv f. mikrosk. Anat. X. Bd. X. p. 401. 1874. 



BUDGE, A. Archiv f. mikrosk. Anat;. Bd. XIV., S. 65. 1877. 



NYKAMP. Archiv f. mikrosk. Anat. Bd. XIV., S. 492. 1877. 



HEITZMANN. Studien am Knochen u. Knorpel. Wien. med. Jahrb. 1872. V. and 



H.'s Bericht. 

 BIGELOW, W. S. Arch. f. mikrosk. Anat. XVI., 2. 1878. 



SCHLEICHEB. Ibid. 



FLEMMING. Ibid. 



KLEIN and E. NOBLE SMITH'S Atlas of Histology. 18791880. 



RANVIER. Traite technique d'histologie. 1877. 



BUETSCHLI. Zeitschr. f. wies. Zool. 29, p. 206. 



SPINA, A. Sitzb. de k. Akad. der Wiss. Bd. LXXX., LXXXI. 1879, 1880. 



