CONTENTS OF VOLS. II.-Y. vii 



ECHINODERMA. 



ECHINODER.MA . . . By F. JEFFREY BELL, M.A. . . . Vol. IV. 



ECHINODERM LARV.E . . |By PR,)F E W. MAOBRIDE, M.A, F.R.S,) 



( and J. C. SIMPSON, B.Sc. . . j 



SIPUNCULOIDEA. 

 By W. F. LANCHESTER, M.A. . . . ,, IV. 



MYZOSTOMIM. 



By DR. RUDOLF RITTER v. STUMMER-TRAUNFELS . IV. 



CELETOGNATHA. 



By DR. G. HERBERT FOWLER . . . . III. 



NEMATODA. 

 By DR. 0. VON LINSTOW .....,, III. 



NEMERTINEA. 

 By PROF. L. JOUBIN . . . . . . ,, V. 



CESTODA. 



By ARTHUR E. SHIPLEY, F.R.S. . . . III. 



CCELENTE1U. 



ALCYONARIA . . -By PROF. S. J. HICKSON, F.R.S. . . ,, III. 

 HYDROID ZOOPHYTES . . |By PROF. S. J. HICKSOX, F.R.S., and F. H.) m 



r VrRA\ ELY . . . . . J 



TENTACLES OF A SIPHONOPHORE By DR. J. RENNIE .....,, III. 

 .MKUUS.E .... By EDWARD 1. BROWNE . . . . V. , 

 ACTINI.E . . . . By J. A. CLUBB, M.Sc. . . . IV. 



PORIFERA. 



HEXACTINELLIDA . . -By R. KIRKPATRICK ....,, III. 

 TETRAXONIDA . . -By R. KIRKPATRICK ....,, IV. 

 CALCAREA . . . -By C. F. JENKIN, B.A ,, IV. 



