294 REPORT ON NATIONAL MUSEUM. 



Ridgway, Robert. — (Letter to the editors of " The Ibis," concerning 

 the National Museum exhibit of North American Fish-eating and 

 Aquatic Birds at the Great International Fisheries Exhibition, 

 Loudon.) 



(The Ibis, fifth series, October, 1883, vol. iv, pp. 578-580.) 



Great International Fisheries Exhibition; London, 1883. 



United States of America. (C.) Catalogue of the Aquatic and 

 Fish-eating Birds exhibited by the United States National Museum. 

 Washington : Government Printing Office, 1883. 8vo, pp. 1 -46. 

 (The condition of the department of birds in the U. S. National 



Museum in 1882.) 



(Report Asst. Director U. S. Nat. Mus. for 1882 (1883), pp. 13-17; 53-56, 

 83-86: Report Smithsonian Institution for 1882 (1884), pp. 132-135; 171-174; 

 201-204.) 



(See also papers by L. Beldixg and C. C. Nutting.) 



Riley, Charles V.* Emulsions of petroleum as insecticides. 



(Scientific American, Jan. 6, 1883.) 



Hotice of experiments made, in 1882, in the use of emulsions of kerosene oil 

 to kill insects injurious to orange trees; report of H. G. Hubbard upon ex- 

 periments made by him; critical review of S. F. Chapiu's "scale-insects on 



deciduous and ornamental trees" (Pacific Rural Press, , 1882) ; effect of 



pure kerosene, of emulsions, and of lye upon trees. 



An internal Mite in Fowls. 



(Rural New-Yorker, Jan. 13, 1883.) (Amer. Naturalist, Apr., 1883, xvn, 

 pp. 422,423.) 



Discovery, by T. Taylor, of mites determined as Cytoleichus sarcopioides, by 

 Riley, lining the interior membranes of fowls ; habits and ravages of this mite 

 in Europe. 



A new Enemy to Wax Beans. 



(Rural New-Yorker, Jan. 13, 1883.) * 



Reprint, entitled "JSpilachna corrupta as an injurious insect." (Amer. Nat- 

 uralist, Feb., 1883, XVII, pp. 198-199.) 



Extract from letter of Prof. G. H. Stone, on the food-plants, habits, and 

 ravages of Epilaclma corrupta; geographical distribution of this beetle. 



The Lignified snake of Brazil. An explanation of the phe- 

 nomenon. 



(Evening Star [Washington, D. C], Jan. 20, 1883.) 



Reprint, entitled The Lignified Snake of Brazil. (Scientific American Sup- 

 plement, Feb. 17, 1883.) 



Discussion of a specimen of problematical character supposed to be a ligni- 

 fied snake, but believed by author to be the burrow of a larva under bark; 

 notice of writings on the subject; frequency with which the true nature of 

 natural objects is mistaken ; letter from J. H. Hutchins, accompanying a gall 

 of Cecidomyia vitis-pomum mistaken for a hybrid fruit. 



Pyrethrum, an important insecticide. 



(Prairie Farmer, Jan. 27, 1883.) 



History of the general introduction of pyrethrum plants into cultivation; 

 method of growing the plants and of preparing the pyrethrum for use as an 

 insecticide; experience in the cultivation of the plants. 



* This bibliography was chierly prepared by Mr. B. Peckman Maun. 



