xii Proceedings. 



Theodor Holm : Anatomy of a Leaf-Gall of Pimis virgmiana. 

 Lester F. Ward : The Mesozoic Flora of Portugal compared 

 with that of the United States.* 



February 9, 1895— 238th Meeting. 



The President in the chair and thirty persons present. 

 The following communications were presented: 

 George M. Sternberg : Explanation of Immunity from Infec- 

 tious Diseases.! 



Theodore Gill : PithccantJirojnis.X 



February 23, 1895— 239th Meeting. 



Vice-President B. E. Fernow in the chair and twenty-two 



persons present. 



The following communications were presented : 



F. E. L. Beai : The Food Habits of Woodpeckers.§ 



F. A. Lucas: Some Abnormal Feet of Mammals. || 



M. B. Waite : Notes on the Flora of Washington, D. C., and 



Vicinity.^ 



March 9, 1895— 240th Meeting. 



The President in the chair and thirty-two persons present. 

 The following communications were presented : 

 Ch. Wardell Stiles : A Double-pored Cestode with Occasional 

 Single Pores.** 



* Science, NS., 1., 337-346, March 29, 1895. 



t Science, NS., I, No. 13, 346-349, March 29, 1895; also incorporated in 

 Part First (Susceptibility and Protective Inoculations) of work entitled 

 InimuniUi, Protective Inocalations, and Genii-llicrapy, by Surf;;eon General 

 George M. Sternbertr, U. S. A., 1895. 



JThe Nation, Ix, 105, Feb. 7, 1895. 



^Abstract in Science, March 15, 1895, 304-305; published in fall in 

 Preliminary Report on the Food of Woodpeckers, Bull. 7, Division of 

 Ornithology and Manimology, XJ. S. Dept. Agric, pp. 1-33, August, 1895. 



II Abstract in Science, March 15, 1895, 305. 



ilbid., 305-306. 



** Notes on Parasites, 36 : A double-pored cestode with occasional single 

 pores. <Centralblatt f. Bakt. u. Paras., 1 Abth., Bd. xvii. No. 13-14, 

 457-459, 1 fig., 1895. (Abstract in Science, March 22, 1895, 334.) 



