260 S. J. JOHNSTON. 



Plate IX. 

 Fig. 1. — General view of Scaphanocephalus australis from a. 

 whole mount. G. ex. genital sucker. x 45. 



Fig. la. — Flame cell of S. australis. x 350. 



Plate X. 



Fig. 2. — Patagifer acuminatus, whole mount. x 12. 



Fig. 3. — P. acuminatus, more enlarged drawing of the head- 

 collar and anterior end, showing the arrangement of the collar- 

 spines, etc. x 33. 



Fig. 4. — Patagifer fraternus, anterior end showing the arrange- 

 ment of the collar-spines. x 53. 



Plate XI. 



Fig. 5. — Echinochasmus tenuicollis, whole mount. x 35. 

 Fig. 6. — Echinoparyphium oxyurum, whole mount. x 20. 



Plate XII. 

 Fig. 7. — Acanthoparyphium spinulosum, whole mount. x 16» 

 Fig. 8.-— Echinoparyphium harveyanum, whole mount. x 21. 



Fig. 9. — Anterior end of the same under higher magnification 

 to show the arrangement of the collar-spines, the spines on the 

 neck and the cirrus sac. x 72. 



Plate XIII. 

 Fig. 10. — Himasthla harrisoni, whole mount. x 10. 



Fig. 11. — Plagiorchis spatulatus, whole mount. x 75. 



Fig. 11a. — Plagiorchis clelandi, whole mount. x 41. 



Plate XIV. 

 Fig. 12. — Dolichosaccus solecarius, whole mount. x 100» 



Fig. 13. — Levinseniella howensis, whole mount. x 115. 



Plate XV. 

 Fig. 14. — Lyperosomum parvum, whole mount, x 50. 



Fig. 15.— hL, megastoma, whole mount. x 44. 



