SUBJECT INDEX — SYSTEMATIC SECTION 



6B5 



Mylostoma. Structure and relation- 

 ships. • Dean, B. 1893.5, 1901.4; •East- 

 man, C. R. 1901.4, 1906.4; Jaekel, O. 

 1903.1. 



Dentition. •Eastman, C. R. 1907.2, 

 1909.2; Newberry, J. S. 18S3.2, 1SS4.2. 



Phlyctesnaspis. — Structure and tax- 

 onomy. Traquair, R. H. 1890.6, 1891.1. 

 — Body armor. Woodward, A. S. 1S92.6. 



Fholidosteus. Description. Jaekel, 

 O. M. 1907.1. 



Titamchthys. — ■ Morphology and 

 classification. •Cla^•pole, E. W. 18SS.1, 

 1896.3; Dames, W. B. (Cretaceous, Egypt) 

 1887.2; Newberry, J. S. 1887.2. — 

 Dentition. Claypole, E. W. 1892.1. — 

 Mounted specimen. Dean, B. 1909.5. 



Trachosteus. Anatomy and taxonomy. 

 Dean, B. 1893.5, 1909.5. 



Group Flacodermi 



Comprising papers dealing with fishes 

 belonging to various ones of the preceding 

 orders. 



Taxonomy. — Russia. Eichwald, C. E. 

 1844.1-1853.1. — In theBreslau Mineral- 



ogica.l Museum. Giirich, G. 1891.1. — 

 h'ci'icw. Jaekel, 0. 1902.1. — Upper De- 

 vonian, Germany. Koenen, A. 1883.1. — 

 Reply to letter of Egerton. M'Coy, F. 

 1848.3. 



CONODONTS 

 Microscopic fossil teeth of an unknown 

 family of animals ranging from the Silurian 

 to the Lower Carboniferous. By New- 

 berry and others these are thought to be 

 the teeth of extinct Cyclostomatous fishes ; 

 in general they are held to belong to 

 Annelids. 



Researches on the structure and relation- 

 ships of Conodonts. — From Cambrian to 

 Carboniferous formations. •Hinde, G. J. 

 1879.1-1900.1. —First discovery. •Pan- 

 der, C. H. 1856.1. —Scotland. Smith, 

 John. 1900.1, 1907.1, .2. — England and 

 Sweden. Volborth, A. 1861.1. —Nature. 

 Young, J. 1879.1, 1880.1. —Taxonomy. 

 •Zittel, K. A. & Rohon, J. V. 1887.1. 



For an extensive paper, describing new 

 forms, reviewing the literature, and dis- 

 cussing affinities, see W. L. Bryant in 

 Bull. Buffalo Soc. Nat. Sci., 1921, vol. 13, 

 no. 2, 27 p., 16 pis., and text figs. 



' . . . Index-learning turns no student pale, 

 Y'et holds the eel of science by the tail." 



Dunciad, I, 279. 



