( ONTENTS OF VOL. IV. 



MOLLUSCA. 

 \II.-SoLEXooA8nuB. By DR. H. F. NIERSTRASZ . (1.3 pp., 2 Pis.) 



ARTHROPODA. 



(A) IN8ECTA. 

 APTKRA. By G. H. CARPENTER, B.Sc.,M.R.I.A. (5pp., 1 PI.) 



(B) CRUSTACEA. 

 VII. SCHIZOPODA. By W. M. TATTBRSALL, M.Sc. . . (42 pp., 8 Pis,) 



VIII. COPBPODA. By R NORRIS WOLFENDEN, M.I). . . (44 pp., 7 Pis.) 



ECHINODERMA. 



I. ECHINODERMA. By F. JBFKREY BELL, M.A. . . (16 pp., 5 Pis.) 



II. ECHINODERM LARV^. By E. W. MACBRIDE, M.A., F.R&, 



and J C. SIMPSON, RSc. . (9 pp., 1 PI.) 



MYZOSTOMIDAE. 

 By DR. RUDOLF RITTER v. SITMMKR-TRACNFEL.H (26pp., 1 I'l ) 



BIPUNCDLOIDBA 



By W. F. LANCHESTER. .M.A. . . ('' i>|- 



IV. A.TIXL*. By .1. A. CLUBB, M.Sc. . . (12 pp., Pis.) 



II Ti-rrK.\\..Mi.A. By R. KIRKI-ATRI. K . . . (56 pp., 19 Pis.) 



Ill TALAUKA. By ( K. JENKIX, B.A. . (50 pp., 12 Pk) 



