1886.] NATURAL SCIENCES OF PHILADELPHIA. 313 



tion of the Armj' Medical Museum, Washington. Nose, mouth, 

 and throat of Phrynosoma hernandezi ; Souora, Mexico. Dr. T. H. 



Streets. 



Hedruris androphora. Nitzsch, Diesing ; Syst. Hel., ii, 205. 



Sijiiplectapeiidula Leidy, Pr. A. N. S., 1851, 2J:0 j 1856, 52. Diesing, Sitzungsb. 

 Wien. Akad. Wis., xlii, 1861, 647. 



Stomach of Nanemys guttatus. 



Cuculanus roseus. Leidy, Pr. A. N. S., 1851, 155 ; 185G, 54. 

 Intestine of 3Ianouria fusca, Java. 



Tropidocerca certa. 



.? Filaria diibia. Leidy, Pr. A. N. S., 1856, 55. 



Female subglobular, broader than long, divided into zones ; tail 

 abruptly projecting and conical. Male of the ordinary nematoid 

 shape, cylindrical, most attenuated in front. Mouth trilabiate. 

 Caudal extremity strongW rolled inwardly, sigmoid at the end, 

 which is conical, recurved from the genital aperture, mucronate 

 and alate ; alae half oval, narrowing to the end of the mucro, 

 which is truncate. Female 7 mm. long by 7 and 8 mm. broad. 

 Male 12 to 18 mm. long, and 0"375 to 0-5 wide. The specimens 

 of this curious parasite were contained in two spherical cysts in 

 the wall of the stomach of the albatross, Diomedia exulans. 

 Each cyst contained a corpulent female with severally four and 

 five males. Obtained by Dr. W. S. W. Ruschenberger. 



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