BY C. HEDLEY. 



465 



** Barrier Reef," and, when the mollusc retracted the gill-plumes, 

 its identity with the figure ot the so-called planarian was clear to 

 all the party. 



EXPLANATION OF PLATES XXXVL-XLIV. 



Plate xxxvi. 

 Figs. 1-4. — Chlamys cort/mbiatus Hedley. 

 Figs. 5-8. — Cuna praecalva HecUej. 

 Figs. 9-10. — ,, capillacea Hedley. 

 Figs. 11-12. — Rochefortia viastellata Hedley. 

 Fig8.13-l5.—Sportella sperabilis Hedley. 



Plate xxxvii. 

 Fig. 16. — Phacoides eucosmia Dall. 

 Fig. 17. — ,, rugosus Hedley. 



Fig. 18. — ,, sperabilis Hedley. 



Figs. 19-21. — Gardium lohulatum Deshayes. 

 Figs. 22-23. — Sportella jubata Hedley. 

 Figs. 24-27. — Ga/rarium catillus Hedley. 



Plate xxxviii. 



Figs. 28-29. — Chione scandidaris Hedley. 

 Figs. 30-32. — Te^^wa ctesiaca Hedley. 

 Fig. 33. — Arcopagia dapsilis Hedley. 

 Figs. 34-36. — Seniele isosceles Hedley. 

 Figs.37-39. — Theora nasuta Hedley. 



Plate xxxix. 

 Figs. 40-42. — Liotia tribidationis Hedley. 

 Figs. 43-45.— ,, anxia Hedley. 

 Figs. 46-48. — Gyclostrema anxium Hedley, 



Plate xl. 

 Figs. 49-51. — Gyclostrema torridum Hedley. 

 Fig. 52. — Obtortio vulnerata Hedley. 

 Figs. 53-54. — Triphora tribidationis Hedley. 

 Fig. 55. — Gerithiopsis pinea Hedley. 

 Fig. 56. — ,, telegraphica Hedley. 



Fig. 57. — ,, tribidationis Hedley. 



Fig. 58. — ,, westiana Hedley. 



Figs. 59-60. — Epitonium koskinum Hedley. 

 48 



