BIBLIOGRAPHY OF CHARLES EMERSON BEECHER ' 547 



1888. Method of preparing for microscopical study the radulae of small species of 



Gasteropoda. Jour. New York Mic. Soc, pp. 7-11. 



1889. Brachiospongidse: A memoir on a group of Silurian sponges. Mem. Peabody 



Mus., Yale Univ., vol. ii, pp. 1-28, pis. i-iv. 



1889. The development of some Silurian Brachiopoda (with eight plates). [Beecher 



and Clarke.] Mem. N. Y. State Mus., vol. i, pp. 1-95, pis. i-viii. 



1890. On the development of the shell in the genus Tornoceras Hyatt. Am. Jour. 



Sci. (3), vol. xl, pp. 71-75, pi. i. 



1890. Koninckina and related genera. Ibid., vol. xl, pp. 211-219, pi. ii. 



1891. The development of a paleozoic poriferous coral. Trans. Conn. Acad. Sci., 



vol. viii, pp. 207-214, pis. ix-xiii. 

 1891. Symmetrical cell development in the Favositidse. Ibid., pp. 215-220, pis- 

 xiv, xv. 



1891. Development of the Brachiopoda. I. Introduction. Am. Jour. Sci. (3), vol. 



xli, pp. 343-457, pi. xvii. 



1892. Development of the Brachiopoda. II. Classification of the stages of growth 



and decline. Ibid., vol. xliv, pp. 133-155, pi. i. 



1893. Revision of the families of loop-bearing Brachiopoda. Tram. Conn. Acad. 



Sci., vol. ix, pp. 376-391, pis. i, ii. 

 1893. The development of Terebratalia obsoleta Dall. Ibid., vol. ix, pp. 392-399, 



pis. ii, iii. 

 1893. Development of the brachial supports in Dielasina and Zygospira. [Beecher 



and Schuchert.] Proc. Biol. Soc. Washington, vol. viii, pp. 71-78, pi. x. 

 1893. Larval forms of Trilobites from the Lower Helderberg group. Am. Jour. Sci. 



(3), vol. xlvi, pp. 142-147, pi. ii. 



1893. On the thoracic legs of Triarthrus. Ibid., vol. xlvi, pp. 367-370. 



1894. On the mode of occurrence and the structure and development of Triarthrus 



Becki. American Geologist, vol. xiii, pp. 38-43, pi. iii. 



1894. The appendages of the pygidium of Triarthrus. Am. Jour. Sci. (3), vol. 



xlvii, pp. 298-300, pi. vii. 



1895. Further observations on the ventral structure of Triarthrus. American Geolo- 



gist, vol. xv, pp. 91-100, pis. iv, v. 

 1895. Structure and appendages of Trinucleus. Am. Jour. Sci. (3), vol. xlix, pp. 

 307-311, pi. iii. 



1895. The larval stages of Trilobites. American Geologist, vol. xvi, pp. 166-197» 



pis. vii-x. 



1896. James D wight Dana. Ibid., vol. xvii, pp. 1-16, portrait, pi. i. 



1896. The morphology of Triarthrus. Am. Jour. Sci. (4), vol. i, pp. 251-256, pi. viii ; 



reprinted in Geological Magazine (London), dec. IV, vol. iii, pp. 193-197, 

 pi. ix. 



1897. Outline of a natural classification of the Trilobites. Am. Jour. Sci. (4), vol. 



iii, pp. 86-106, 181-207, pi. iii. 

 1897. The systematic position of the Trilobites. [Kingsley and Beecher.] Ameri- 

 can Geologist, vol. xx, pp. 33-40. 



1897. Development of the Brachiopoda. III. Morphology of the Brachia. Bulletin 



87, U. S. Geol. Survey, chapter iv, pp. 105-112. 



1898. Origin and significance of spines. Am. Jour. Sci. (4), vol. vi, pp. 1-20, 



125-136, 249-268, 329-359, pi. i. 



