244 PROCEEDINGS OF THE ACADEMY OF [1896. 



mode of viviparous development of the species and points out the 

 early absence of an egg membrane and the existence of an opening 

 in the ovarian follicle comparable to a micropyle). 



66 — Additional note on the egg-cases of planarians ectoparasitic 

 on Limuliis. Amer. Nat., 1882, p. 142-143. 



67 — Synopsis of the Scolopendrellidae. Proc. U. S. Nat. Mus., 

 V, 1882, p. 234. Old genus Scolopendrella suhdiy'xded into 1. ScuU- 

 gerel/ageu. uov. sp. 1, S. gratiae Ryder; sp. 2, S. immacalata New- 

 port. 2. Scolopendrella Gerv. sp. 1, microcaljM Muhr; sp. 2, 

 notacantha Gerv. 



68 — A contribution to the embryography of osseous fishes, with 

 special reference to the development of the cod, Gadns morrhaa. 

 Rep. of U. S. Comm. of Fish and Fisheries, 1882, pp. 455-605, 12 

 plates, 11 figs, in text. 



69 — Preliminary notice on some points in the minute anatomy of 

 the oyster. Bull. U. S. Fish Comm., II, 1882, pp. 135-137. (Points 

 out the almost complete absence of connective tissues in tne body- 

 mass of the young " spat "). 



70 — Observations on the absorption of the yelk, the food, feeding 

 and development of embryo fishes, comprising some investigations 

 conducted at the Central Hatchery, Armory Building, Washington, 

 D. C, in 1882. Bull. U. S. Fish Comm., II, 1882, pp. 179-205, 1 

 fig. in text. 



71 — The microscopic sexual characteristics of the American, 

 Portusfuese and common edible oyster of Europe compared. Bull. 

 U. S. Fish Comm., II, 1882, pp. 205-215. Reprinted in Ann. Mag. 

 Nat. Hist., Vol. XII, 1883, pp. 37-48. 



72 — Note on the organ of Bojanus in Ostrea vlrginica Gmelin. 

 Bull. U. S. Fish Comm., [I, 1882, pp. 345-347. 



73 — On the mode of fixation of the fry of the oyster. Bull. U. S. 

 Fish Comm., II, 1882, pp. 383-387, 1 pi. (Points out the uniform- 

 ity with which fixation of the fry occurs by the edge of the left 

 mantle border, etc.). 



74 — On the preservation of embryonic materials and small organ- 

 isms, together with hints upon embedding and mounting sections 

 serially. Rep. U. S. Comm. Fish and Fisheries, 1882, pp. 607-629. 

 75 — An account of experiments in oyster culture and observa- 

 tions relating thereto. (Second Series). Rep. U. S. Comm. Fish 

 and Fisheries, 1882, pp. 763-778. (Journal of experiments con- 

 ducted at St. Jerome's Creek, Md., in 1882. Mode of fixation of 

 oyster spat determined). 



7(3_The metamorphosis and post-larval stages of development of 

 the oyster. Rep. U. S. Comm. Fish and Fisheries, 1882, pp. 779- 

 791, 3 figs, in text. (Points out the mode in which the veliger of 

 O-Hi-ea is metamorphosed into the spat and adult, and the rotation 

 of the body mass). 



77 — Supplementary note on the coloration of the blood-corpuscles 

 of the oyster. Rep. U. S. Comm. Fish and Fisheries, 1882, pp. 801- 



