No. 432.] MORTH-AMERICAN INVERTEBRATES. 959 
GENUS GORGODERA. 
. In urinary bladder of frogs and salamanders; number of testes, 9; 
Zi 
form of yolk gland, veriform 
G. cygnoides Zed. (Fig. 62) (20, 21, 13, 22, 44) 
4,. Number of testes, 9; yolk glands deeply lobate, in form of a rosette ; 
ovary lobate; 4.6 mm. long: in urinary bladder of Rana catesbiana, 
R. baie R. virescens + + + + G. amplicava Lss. (2, 44) 
45. Number of testes, 2; ovary veriform; yolk glands elongate and not 
lobate masses; 10 mm. long: in bladder of Rana catesbiana, 
R. clamitans, R. virescens. . . . « G. simplex Lss. (2, 44) 
eo 
GENUS MICROPHALLUS. 
Body elliptical; cesophagus very long, intestinal coeca very short; 1.7 
mm. long, 1 mm. wide: in intestine of Ama calva et al.; intermediate host 
Cambarus bropinguus . . . . M. opacus Ward (Fig. 75) (92, 94, 74) 
GENUS LEVINSENELLA. 
Body elliptical; aesophagus very long; yolk glands consist of several 
distinct bodies; 0.5 mm. long: in intestine of Somateria mollissima 
Z. fygmea Lev. (Fig. 71) (33, 15, 94) 
GENUS CYMATOCARPUS. 
Body elliptical; intestinal coeca extend about to acetabulum; testes in 
oblique plane; 4 mm. long: in intestine of newt 
C. hospitalis Stafford (79) 
GENUS BRANDESIA. 
Body elliptical; acetabulum in hinder part; genital pore on left side in 
anterior half; intestinal coeca short and wide; ovary lobate between them ; 
testes in nearly same transverse plane in hinder half of body ; 2.5 mm. long, 
1.75 mm. wide: in capsules in pyloris of frog B. arcana Nick. (64) 
GENUS PLEUROGENES. 
Body circular; 3-4 mm. long: in cysts in liver of bullfr 
P. medians (Olen) Stafford (79) 
GENUS GYMNOPHALLUS. 
Body elliptical ; excretory crura E to pharynx; o.5 mm. long: in 
intestine of Somateria mollissima . . G. somateria Lev. (33, 69) 
GENUS CEPHALOGONIMUS. 
Body elliptical ; testes and ovary very near the acetabulum ; 
very short; yolk glands extend in front of acetabulum ; excretory vesicle a 
