CONTENTS OF VOL. IV. 



MOLLUSCA. 

 VII.— SoLBNOGASTREs. By Dr. H. F. Nierstrasz . . . (13 pp., 2 Pis.) 



AETHROPODA. 



(A) INSECTA. 

 Aptera. By G. H. Carpenter, B.Sc.,M.R.I.A. . . (5 pp., 1 PL) 



(B) CEUSTACEA. 

 VII.— ScHizopoDA. By W. M. Taitersall, M.Sc. . . . (42 pp., 8 Pis.) 



VIII. — Copepoda. By E. Norris Wolpenden, M.D. . . . (44 pp., 7 Pis.) 



ECHINODEEMA. 



I. — ECHINODERMA. By F. JEFFREY BeLL, M.A. . . . (16 pp., 5 Pls.) 



II. — Echinoderm Larv^. By E. W. MacBride, M.A., F.E.S., 



and J. C. Simpson, B.Sc. ..... (9 pp., 1 PI.) 



MYZOSTOMIDAE. 

 By Dr. Etjdolf Eitter v. Stummer-Traxjnfels (26 pp., 1 PI.) 



■ SIPUNCULOIDEA. 

 By W. F. Lanchester, M.A. . . • . (6 pp.) 



COELENTEEA. 

 IV.— AcTiNME. By J. A. Clubb, M.Sc. . . . . (12 pp., 3 Pls.) 



POEIFEEA. 



11. — Tetraxonida. By E. Kirkpatrick .... (56 pp., 19 Pls.) 

 Ill— Calcarea. By C. F. Jenkin, B.A (50 pp., 12 Pls.) 



