1886.] NATURAL SCIENCES OF PHILADELPHIA. 311 



A single female 19 lines long and nearly 1 line thick at the 

 middle. Obtained by Dr. J. Van A. Carter, from the masseter 

 muscle of a badger, Melea labradorica, at Ft. Bridger, Wj'oming. 



The head and mouth have the characters of Physaloptera. Two 

 apertures are visible in advance of the end of the tail, one at the 

 distance of 025 mm., the othei- 0"625 mm. 



Ascaris simplex. Rudolphi, Diesing, Syst Ilel., ii, 155. 



A large quantity, from the stomach of a dolphin, Lagenorhyn- 

 chus? Pacific ocean. Dr. Wm. H. Jones, U. S. N. 



Ascaris compar. Schrank, Diesing, Syst. Hel., ii, 170. 



One male. If inches long. Intestine of the quail, Ortyx vir- 

 ginianus. Florida. Dr. B. H. Warren. 



Ascaris vesicularis. FroliHeh, Diesing, Syst. Hel. ii, 118. 



Two females and two males. Intestine of the quail, Ortyx 

 virginianus. Florida. Dr. B. H. Warren. 



Ascaris depressa. Rudolphi, Diesing, Syst. Hel., ii, 156. Intestine of Strix nivea, 

 Leidy, Pr. A. N. S, 1858, 112. 



Two females 2^ inches by 3 mm. Intestine of Sirix brachy- 

 otiis. Florida. One female 1| inches. Bubo virginianus. Chester 

 Co., Pa. Dr. B. H. Warren. 



Ascaris ensicaudata. RuJolphi, Diesing, Syst. Hel., ii, 184. 



Labia large and prominent ; apex of tail defined as a short 

 ensiform appendage. Five females, to 3 inches long, by 1 mm. 

 broad. Ejected from the mouth of a mocking bird, Mimus poly- 

 glottus. Jacob Geismer. 



Ascaris microcephala. Rudolphi, Diesing, Syst. He!., ii, 155. 



Numerous specimens from the stomach of the night-heron, 

 Nyctiardea grisea. Chester Co., Pa. G. W. Roberts, through 

 Dr. B. H. Warren. Specimens from Ardea herodias, Hydro- 

 nassa tricolor and Botaurus mugitans. Florida. Dr. Warren. 



Ascaris spiculigera. Rudolphi, Diesing, Syst. Hel., ii, 157. 



From Graculus dilophus, Plotus anhinga, Pelicanus trachy- 

 rhynchus and P. fuscus. Leidy, Proc. Acad. Nat. Sci., 1858, 

 110; 1882,109. Numerous additional specimens from the former 

 two birds. Florida. Dr. B. H. Warren. 



Ascaris tenuicollis. Rudolphi, Diesing, Syst. Hel., ii, llJO. 



Numerous specimens, all females, up to 1^ inches long, and 2 

 mm. thick. From the Alligator mississippiensis. 



