CESTODES FROM FISHES LINTON 419 



Family CARYOPHYLLAEIDAE Leuckart 

 Genus CARYOPHYLLAEUS Gmelin 



CARYOPHYLLAEUS TEREBRANS (Linton) 



Plate 60, Figures 1-3 



Monobothrium terebrans Linton, Rep. U. S. Fish Comm. for 1889-91, pp. 548-552, 



figs. 1-21, 1893 (from Catostomus ardens). 

 CaryophT/llaeus terebrans (Linton) Hunter, Illinois Biol. Mon., vol. 11, pp. 399- 

 408, figs. 1, 30, 31, 51, 72, 1930. 



Specimen from Notropis rubrifrons (?).^ — Collected June 14, 1916, 

 by Vinal N. Edwards at Waqiioit Bay (U.S.N.M. No. 8852). Max- 

 imum length 6 mm., breadth 0.6 mm., thickness 0,3 mm. 



Nearly linear, slightly narrowed at anterior end, which is thicldsh 

 and rounded. The vitellaria, in a specmien 6 mm. long, begin about 

 0.7 mm. from the anterior end and extend to the posterior end, except 

 where interrupted by the uterus and ovary. The testes, about 25, 

 occupy a relatively broad area along the median region from a point 

 about 0.8 mm. back of the anterior end nearly to the anterior folds of 

 the uterus, a distance of about 4.7 mm. They are surrounded dor- 

 sally, ventrally, and laterally by the vitellaria. The many-lobed 

 ovar}^, 1.25 mm. from the posterior end, appears to be symmetrical and 

 extends from margin to margin. One division of the uterus lies 

 behind the ovary, and another and larger division lies in front of the 

 ovary. Ova 0.039 to 0.048 by 0.03 to 0.039 mm. 



In a series of sagittal sections, the cirrus bulb, with the vagina at 

 its posterior border, is seen to lie at the anterior edge of the uterus. 

 The cirrus bulb is only moderately m.uscular, its length about one- 

 third the thickness of the body. The uterus appears to enter the 

 vagina near the base of the cirrus bulb (pi. 60, fig. 3). 



Genus GLARIDACRIS Cooper 



GLARIDACRIS CATOSTOMI Cooper 



For a full account of this species, see Hunter, 1930.^ 



Specimens Jrom Catostomus commersonii. — Collected on two dates 

 by Vinal N. Edwards: 



June 4, 1913 — 8 specimens, 6 to 17 mm. long in formalin; 25 fishes 

 examined. 



May 13, 1914 — 9 specimens from 4 fishes, 10 to 18 mm. long in 

 formalin; 9 fishes examined. 



Ova, avera,ge of five, 0.071 by 0.041 mm.; maximum 0.075 by 

 0.024 mm., minimum 0.069 by 0.039 mm. 



U.S.N.M. No. 8853. 



8 Hunter, G. W., Dlinois Biol. Mon., vol. 11, pp. 419-430, figs. 2, 25, 44, 45, 1930. 



