/J/ 



CONTENTS OF PAET IV. 



PAGE 



18. On the anatomy of a supposed new species of Coenopsainmia 



from Lifu .......... 357 



By J. STANLEY GARDINER, M.A. 



With Plate XXXIV. and two figures in the test. 



19. On the Insects from New Britain . . . . . . 381 



By D. SHARP, M.A., M.B., F.R.S. 

 With Plate XXXV. 



20. On the Stomatopoda and Macrura brought T>y Dr Willey from 



the South Seas ......... 395 



By L. A. BOBRADAILE, M.A. 

 With Plates XXXVI.— XXXIX. 



21. Report on the Slugs' . ., 429 



By WALTER E. COLLIXGE, F.Z.S. 

 With Plate.s XL.— XLI. 



22. Report on the Polyzoa collected by Dr Willey from the 



Loyalty Isles, New Guinea and New Britain . . . 439 



By E. G. PHILIPPS. 



With Plate.s XLIL— XLIII. 



23. The Hydroid Zoophytes collected hy Dr Willey in the 



Southern Seas ......... 451 



By LAURA ROSCOE THORXELV. 

 With Plate XLIV. 



24. Astrosclera willeyana, the type of a new Family of Sponges . 459 



By J. J. LISTER, M.A., F.Z.S. 



With Plates XLV.— XLVIII. and three figuie.'i in the text. 



' I am desired to state that this article was written iu November 1m98 and received by me from the 

 author upwards of twelve months ago. A. W. 



