NATIONAL ACADEMY BIOGRAPHICAL MEMOIRS — VOL. VII 



Parthenogenesis in vertebrates and molluscs. American Naturalist 



October, 1877. 

 Instinct and intelligence. Pop. Sci. Monthly, September, 1877. 



1878. 



Differences between animals and plants. Pop. Sci. Monthly, November, 



1878. 

 The condition of women from a zoological point of view. Pop. Sci. 



Monthly, June and July, 1879. 



1879. 



The scientific results of the Chesapeake Zoological Laboratory, session 

 of 1878. Baltimore, Murphy, 1879, 168 pp., constituting part 1, Vol. 

 I, Studies Biological Laboratory, Johns Hopkins University, con- 

 taining the three following papers by W. K. Brooks : 



Preliminary observations upon the development of the marine 

 prosobranchiate gasteropods ; 47 pp., 1 pi. 



The development of Lingula and the systematic position of the 

 Brachiopoda ; 70 pp., 6 pis. 

 The larval stages of Squilla empusa Say; 5 pis. 



The development of the digestive tract in molluscs. Proc. Boston Soc. 

 Nat. Hist., Vol. 19, 1879, 4 PP- 



Abstract of observations on the development of the American oyster. 

 Zool. Anzeiger, 1879. 



Abstract of observation upon the artificial fertilization of oyster eggs, 

 and on the embryology of the American oyster. American Journ. 

 Sci., December, 1879, 3 pp. 



Observations upon the early stages in the development of the fresh- 

 water pulmonates. Studies Biol. Lab. Johns Hopkins University, 

 Vol. I, 1879, 2 6 pp., 4 pis. 



1880. 



Observations upon the artificial fertilization of oyster eggs and on the 

 embryology of the American oyster. Ann. and Mag. Nat. Hist., 

 London, 1880. 



The biology of the American oyster. N. C. Med. Press, 1880. 



The artificial fertilization of oyster eggs and the propagation of the 

 American oyster. American Journ. Sci., 1880. 



The development of the American oyster. Maryland Fish Commission 

 Report, 1880, 101 pp., 10 pis. 



The development of the oyster. Studies Biol. Lab. Johns Hopkins Uni- 

 versity, Vol. I, 1880, 115 pp., 11 pis. (Reprinted from the preced- 

 ing.) 



The acquisition and loss of a food yolk in molluscan eggs. Studies Biol. 

 Lab. Johns Hopkins University, 1880, 7 pp., 1 pi. 



Budding in free Medusse. American Naturalist, 1880. 



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