42 PROCEEDINGS OF THE ACADEMY OF 



March lQih. 

 Vice-President Vaux in the Chair. 



Twenty members present. 



The following paper was presented for publication : 



On Trachycephalus, Scaphiopus, &c. By E. D. Cope. 



Mr. Cope mentioned that a fish obtained by Jesse Burke, in the 

 cedar swamps of New Jersey, he had determined to be a new species, 

 for which he proposed the name of Hololepis simus. 



March Vlth. 

 Vice-President Bridges, in the Chair. 

 Twenty-five members present. 



The Publication Committee laid on the table Part 3 of Volume V. 

 of the Journal, just published. 



March 2,1th. 



The President, Mr. Lea, in the Chair. 



Twenty-five members present. 



The following papers were presented for publication : 

 Catalogue of the Fishes of California, Part 4. By Theodore Gill. 

 Descriptions of new species of Pediculati, &c. By Theodore Gill. 

 Additions to the Catalogue of Stars which have changed their colors. 

 By Jacob Ennis. 



Tetraolagophus, "White Grouse, &c. By James A. Grant, M. D. 



Dr. Leidy directed attention to some portions of the aorta of a horse, con- 

 taining parasitic worms, presented this evening by Dr. R. Jennings, veterinary 

 surgeon. The worms belong to the species Sclerostomum armatum. A letter 

 from the donor, giving an account of the case, observes : 



"The horse appeared generally in good condition, and was a yearling colt. 

 It was taken with symptoms of prostration, and slightly hurried respiration, 

 and died four hours after the attack was noticed. Patches of inflammation 

 were observed in various parts of the intestines, aud several of the mesenteric 

 .glands were of a dark bloody appearance, and contained clusters of small 

 worms. Parasites of the same character were noticed in the liver, and on the 

 exterior of the kidneys. ' A clot of blood, the size of a goose egg, was found 

 between the coats of the left iliac vein, and contained a large number of the 

 worms. They appeared to have perforated the internal coat of the vein, and 

 thus caused the extravasation of blood. The worms were also observed in 

 small clusters contained in the coats of the thoracic aorta." 



Dr. Leidy also exhibited a specimen of sheep wool, striped alternately black 

 and white, which was presented this evening by Mr. Joseph P. Hazard. In a 

 note the donor observes, that his brother, Mr. Rowland G. Hazard, of Peace 

 Dale, R. I., who gave him the specimen, stated mat in an experience of forty 

 years' connection with the manufacture of the article, he had never before seen 

 anything of the kind. 



Mr. Vaux exhibited an Indian axe, of native copper, from a mound near Ham- 

 ilton, Ohio. 



The Committee on Proceedings, laid on the table the published number for 

 January and February. 



[Mar. 



