120 



THE AMERICAN NATURALIST [Vol. XL 



LITERATURE 



Beecher, C. E. 



-.01. Studies in Evolution. New York, xxiii + 638 pp., illus. 

 Beecher, C. E., and Clarke, J. M. 



'89. The Development of some Silurian Brachiopoda. Mem. N. Y. 

 State Mus., vol. 1, no. 1, pp. 1-95, pis. 1-8. 

 Ctjmings, E. R. 



:03. The Morphogenisis of Platystrophia. A Study of the Evolution 

 of a Paleozoic Brachiopod. Amer. Journ. Sci., ser. 4, vol. 15, 

 pp. 1-48, 121-136, figs. 1-25. 

 Davidson, T. 



'86- '88. A Monograph of Recent Brachiopoda. Trans. Linn. Soc. 

 London, ZooL, ser. 2, vol. 4, pp. 1-248, pis. 1-30. 

 Grabau, a. W. 



:04. Phylogeny of Fusus and its Allies. Smithsonian Misc. Coll., 

 vol. 44, pp. 1-157, pis. 1-18. 

 Hall, J., and Clarke, J. M. 



'92. An Introduction to the Study of the Brachiopoda. [Part I.] 

 nth Ann. Rep. State Geol. for 1891, New York, pp. 133-300, 

 pis. 1-22. 

 Hall, J., and Clarke, J. U. 



'94a. An Introduction to the Study of the Brachiopoda. Part II. 

 mh Ann. Rep. State Geol. for 1893, New York, vol. 2, pp. 749- 

 943, pis. 23-54. 

 Hall, J., and Clarke, J. M. 



'94b. Geological Surv-ey of the State of New York. Pal8eontolog>\ 

 Volume 8. An Introduction to the Study of the Genera of 

 Pateozoic Brachiopoda. Part 2. Albany, xvi + 394 pp., pis. 

 21-84. 

 Hancock, A. 



'59. On the Organization of the Brachiopoda. Phil. Trans. Roy. 

 Soc. London, vol. 148, pp. 791-870. 

 Huxley T. H. 



'66. Contributions to the Anatomy of the Brachiopoda. Proc. Roxj. 

 Soc. London, vol. 7, pp. 106-117, 2 figs. 

 Hyatt, A. 



'88. Values in Classification of the Stages of Growth and Dechne, 

 with Propositions for a New Nomenclature. Proc. Boston Soc. 

 Nat. Hist., vol. 23, pp. 396-407. 



