PLATE I. 



Enchytrseus carcinophilus. 



FIG. 1. Dorsal view of the anterior end of a specimen in glycerine. 



Br, brain ; MPh, muscular pad of pharynx ; R, retractor muscles of pharynx ; Sep, the three pairs 



of septal glands ; Sp, spermatheca ; SS, sperm-sac. 

 FIG. 2. Dorsal view of entire worm, x 3. 

 FIG. .'). A small portion of the surface of the clitellum, highly magnified, showing the outer ends of (lie 



large glandular cells. 

 FIG. 4. The brain, as seen from above. 



Com, root of commissural nerve ; M, muscles ; NPr, none to prostomium. 

 FK;. ">. Dorsal view of the system of blood-vessels in the anterior region. 



C,C', the two commissural vessels of the left side; DV, the dorsal vessel : LV, the left lateral vessel : 



V V, the ventral vessel. 

 FIG. 6. Portion of a longitudinal section, showing the termination of the sperm-duct. 



Pr, "prostate glands"' ; Sl>, sperm duct. 

 Fl<;. 7. Longitudinal section through a sperm-funnel. 



1), commencement of sperm-duct ; >>, septum. 

 FIG. cS. Ventral view of the region of the clitellum and genital organs, from a glycerine preparation, 



01, Cl', limits of the clitellum ; NO, nerve cord; < >v, ovary; SD, coils of sperm-duct; SF, sperm- 



fiinnel : SS, sperm-sac ; <$ , fleshy lip of spermiducal pore. ; ? , oviduct. 

 Flfi. 'J. A neplividimii. 



OF, ciliated funnel : l>, duct to exterior : S, septum. 

 FIG. 10. Transverse section in the region of the spermathee;v. 



CM, circular muscles J)V, dorsal vessel : <{, gland-cells ; L.M, longitudinal muscles ; NO, nerve cord ; 



<>es, (psophagus : Sep, septal gland : Sp, external aperture of spermatheca ; VV, ventral vessel. 

 IMI.. 1 1. Transverse section slightly behind the spermathecic. 



BS, blood-sinus surrounding the i esophagus ; other lettering as in tig. 10. 

 FIG. li 1 . Ajiproximately median sagittal section of the anterior portion of the body. 



Br, brain; <!, gland-cells on exterior of intestine; M, mouth: MPh, muscular pad of pharynx ; 



NC, nerve cord; < >es, oesophagus ; K, retractor muscles of pharynx; Sal, salivary gland; Sep, 



septal glands ; T, " tongue.'' 



I.ONIIUN: pitiNTiii) I'.v WILLIAM < I.UWKS ASH SUNS, LIMITKII. 



Iil-KK STIiKKT, STAMHinl) ST15KKT, S.K., ASH <ll:KAT WISHSIII.I. STHKKT. W. 



