Art. XIV. — On Some New Species of Victorian Marine Mollnsca. 

 By J. H. Gatliff and C. J. Gabriel. (Plates 

 XLVI., XLVII.) ., ... 187 



XV. — Additions to and Alterations in the Catalog-ue of 

 Victorian Marine MoUusca. By J. H. Gatliff 

 and C. J. Gabriel ... ... ... ... ... 193 



XVr. — The Pyschrometric Formula. By E. F. J. Love, 

 M.A., D.S., F.E.A.S.. and G. Smeal, B.Sc. (Plate 

 XLVIII.) 201 



XVII.— Some New Australian Cicadidae. By Howard 



AsHTON. (Plates XLIX.-LT.) 221 



XVI 11. — Osmotic Equilibration in the Living Body. By 



By JuDAH Leon Jona, D.Sc, M.B., B.S. ... 230 



XIX. — Contributions to the Flora of Australia, No. 18. By 

 Alfred J. Ewart, D.Sc, Ph.D., F.L.S., Jean 

 White, D.Sc, Bertha Eees, and Bertha 

 Wood. (Plates LII.-LVI.) 255 



XX. — The Effect of Certain Chemical Substances on the 

 Vitality of the Buds of Potato-Tubers, and their 

 Disinfective Action on Potato Blight (Phyto- 

 phthora infestans). By Frederick Stoward, 

 D.Sc (Plates LVII.-LX.) ... ••• ... 270 



XXL. — New or Little-Known Victorian Fossils in the 

 NatiouRl Museum. Part XIV. — On some Silu- 

 rian Trilobites. By Frederick Chapman, 

 A.L.S., etc (Plates LXI.-LXIIL) 293 



XXIt. — Flotation of Minerals, Part II. By Kenneth A. 



Mickle 301 



XXIII— The Anatomy of the Slug, Cystopelta petterdi, var. 

 purpurea var. nov. By Olive B. Da vies, B.Sc. 

 (Plates LXIV.-LXIX) 331 



XX I X"". — Protozoa Parasitic in the Large Intestine of Austi'a- 

 lion Frogs, Part II. By Janet W. Eapf, M.Sc. 

 (Plates LXX. and LXXL) 343 



XXV. — The Tropics and Pigment: The Physical Proper- 

 ties of Pigment, and its Psysiological Import- 

 ance in the Protection of Living Organisms, 

 Especially Man. By Wm. Lowe, M.B., B.S. .. 353 



XXVL— On Bitter Pit and the Sensitivity of Apples to 

 Poisons. By Alfred J. Ewart, D.Sc, Ph.D., 

 F.L.S 367 



