NO. 2258. TAENIOID CE8T0DE8 OF DOGS AND CATS— HALL. 



65 



and are situated just posterior of the ovaries. The small shell gland 

 is situated around the oviduct. The opening of tlie vagina is im- 

 mediately behind that of the cirrus pouch; from here the vagina 

 extends medially in a somewhat sinuous and curving course and 

 swings posteriorly between the two lobes of the nearest ovary to a 

 spindle-shaped receptaculum seminis in the comparatively wide clear 

 tield between these lobes. The uterus is only recognizable in the 

 most developed segments in the form of a reticulum lying between 



y 



\ 



\ 



Fig. 63. — DiPYUDiuM sexcorona- 

 TUM. Head. Enlarged. After 

 VON RAtz, 1900.9. 



/fo m m. 



Fig. 61.— Diptlidium sexcoronatum. 

 Head. 



the testes. When full of eggs it bulges out in part and forms the 

 egg capsules. The eggs lie in groups in these capsules and are round 

 and 25 /x in diameter. 



Host. — Primary: Fclis catus {F. domestica). 



Location. — Small intestine. 



Locality. — Hungary (Budapest). 



Life history. — Unknown. 



I am indebted for the translation of von Ratz's Hungarian descrip- 

 tion of this and the next species to the courtesy of Dr. Adolph Eich- 

 horn, formerly of the United States Bureau of Animal Industry. 



DIPTLIDIUM SEXCORONATUM yon Rdtz. 1900o. 



Specific diagnosis. — Dipylidium: The head (figs. 63 and 64) is 

 330 ^ long and 370 {x wide, oval in shape, and terminating conically 



62055— 20— Proc.N.M.Vol.55 G 



