STUDIES ON THE DIGENETIC TREMATODES. 4.87 
Fie. 18.—Spelotrema claviforme (Brandes). Ventral view. X 
200. G.S. Genital sucker. 
Fie. 19.—Spelotrema excellens Mihi. Ventral view. x 150. 
G.S. Genital sucker. 
Fie. 20.—Tocotrema jejunum Mihi. Ventral view. x 65. GS. 
Genital sucker. 
Fie. 21.—Tocotrema jejunum. Ventral view. Greatly extended 
specimen. x 65. G.S. Genital sucker. 
Fig. 22.—Cryptocotyle concava (Crepl.). Ventral view. x 9». 
G.S. Genital sucker. D.R. Yolk reservoir. 
Fie. 23.—Cryptocotyle concava. Median longitudinal section. 
x 240. G.S. Genital sucker. Z. “ Zunge.” Ov. Ovum. 
Fie. 24—Gymnophallus dapsilis Mihi. Ventral view. x 95. 
Fie. 25.—Maritrema gratiosum Mihi. Ventral view. x 110. 
Fie. 26.—Maritrema lepidum Mihi. Ventral view. x 100. 
Fie. 27.—Maritrema humile Mihi. Ventral view. x 180. 
Fic. 28.—Podocotyle atomon var. dispar. Ventral view. x 45. 
U.D. Unpaired group of yolk-follicles. D.R. Yolk reservoir. D.G. 
Longitudinal yolk-duct. 
VOL. 95, PART 3.—NEW SERIES. D4 
