246 PROCEEDINGS OF THE ACADEMY OF [1896. 



97 — On the origin of heterocercy and the evolution of the fins 

 and fin-rays of fishes. Rep. U. S. Comm. Fish and Fisheries, 1884, 

 pp. 981-1107, pis. 12, 8 figs, in text. 



98 — On a new form of filter or diaphragm to be used in the cul- 

 ture of oysters in ponds. Bull. U. S. Fish Comm., IV, 1884, pp. 

 17-31, 1 pi. 



99 — On a skin parasite of the cunner (^Ctenolahrus adspersus). 

 Bull. U. S. Fish Comm., IV, 1884, pp. 37-42. 



100 — Journal of operations on the grounds of the Eastern Shore 

 Oyster Company on Chincoteague Bay, near Stockton, Md., during 

 the summer of 1883. Bull. U. S. Fish Comm., IV, 1884, pp. 43-47. 



101 — Carp do eat young fishes. Bull. U. S. Fish Comm., IV, 



1884, p. 152. 



102 — Report respecting the present condition and future pros- 

 pects at St. Jerome Creek for the work of oyster culture. Bull. U. 

 S. Fish Comm., IV, 1884, pp. 235-237. 



103 — Floats for the so-called fattening of oysters. Bull. U. S. 

 Fish Comm., IV, 1884, pp. 302-303. 



104 — Note on the regeneration of the scales of the German carp. 

 Bull. U. S. Fish Comm., IV, 1884, pp. 345-346. 



105 — On apparatus for collecting oyster spat. Bull. U. S. Fish 

 Comm., IV, 1884, p. 373. 



106— Care of gold fish. Bull. U. S. Fish Comm., 1884, pp. 

 381-382. 



107 — A sketch of the life history of the oyster. U. S. Geological 

 Survey. Fourth Annual Report of J. W. Powell for 1884, IV, pp. 

 317-333. pis. LXXIII-LXXXII. 



108 — On the development of Mola. Science, IV, Bulletin, Nov. 

 14, 1884, p. V. 



109 — On the morphology and evolution of the tail of osseous fishes. 

 (Abstract). Proc. American Association for the Advancement of 

 Science, Philadelphia meeting, Sept., 1884, Vol. XXXIII, pp. 532 

 -533, 1885. Science, IV, Oct. 31, 1884, pp. 341-342. 



110 — Theodore Gill and John A. Ryder: Note on Enrypharynx 

 and an allied new genus. Zool. Anzeiger, VII, 1884, pp. 119-123. 



Ill — On the forces which determine the survival of fish embryos. 

 Forest and Stream, Aug. 14, 1884 ; and Transactions of American 

 Fish Cultural Association, 13th Annual Meeting at Washington, 

 May 13th and 14th, 1884, pp. 195-199. 



112 — A contribution to the life-history of the oyster (Ostrea vir- 

 gin'im Gmelin, and 0. edidis Linn.). Fisheries Industries of the 

 U. S., Vol. II, 4 to, Washington, 1884, 1 pi. pp. 711-750. 



113 — An outline of a theory of the development of the unpaired 

 fins of fishes. Amer. Nat., 1885, pp. 90-97, (abstract), 8 figs, in text. 



114 — The development of the rays of osseous fishes. Amer. Nat., 



1885, pp. 200-204. 



115 — On the translocation forwards of the rudiments of the pel- 

 vic fins of the embryos of physoclist fishes. Amer. Nat., 1885, 

 pp. 315-317. 



