Plate VIII. 



Fig. 1. Dirfoma from muscles of Cotttw bubalis. x 60 diameters. 



Fig. 2. Appearance of the posterior end of the J)<<t:>>,„i after pn 

 Similarly magnified. 



/'V</. 3. Meioetomum bifidum, n. sp. x 60 'Hum. 



/•'/(/. (. Penis of the foregoing, x 350 ilium. 



Fig. 5. Rod-shaped bodies and granules from the testes of the apei inji n. 

 x .360 iliam. 



Fig. 6. Fully developed spermatozoa of the same animal. 



Fig. 7. Vortex capitata, CErst. x aboul 200 diani. a, muscular pro- 

 boscidian organ, not ciliated; a', secondary and probabh 

 exsertile muscular organ ; j, oesophageal division; ./'. cenl ..I 

 digestive chamber ;/', posterior digestive chamber; s,anus; 

 m, cilia of the organ homologous with the cephalic sac of.the 

 Nemerteans; d, clear papilla with active though short cilia 

 (in some views a duct-like structure passes inwards fromtf) 

 li. clear globule capable of contraction under pressure ; i, radiate 

 appearance at genital sphincter (?) ; /.-, sperm-sacs ; w, mouth. 



Fig. 8. Smother spe imen, showing ova. Similarly magnified, to, ova. 



Fig. '.). ( '.Us ,it the alimentary region, x 850 diain. 



Fig. 10. Spermatozoa of Vortex capitata. x 700 diam. 



Fig. II. View of an Eel (which was choked while endeavouring 

 swallow n fellow eel ). 



