Zoology. A Contribution to the Life-History of the Brachiopod, Terebratella inconspicua, Sowerby.         By E. Percival 1 Pellibranchus cinnabareus, a New Genus and Species of Non-Pelagic Nudibranch Molluse of the Family Phyllirhoidae.         By Patricia M. Ralph 24 The Titi Wainui, or Fairy Prion, Pachyptila turtur (Kuhl), Part 1.         By L. E. Richdale 32 Notes on the Anatomy of Diadromus (Thyracclla) collaris Grav. (Ichneumonidae, Hymenoptera).         By B. B. Given 154 Chronic Osteomy elitis Occurring in Emeus crassus.         By C. C. Anderson and J. H. Sorensen 182 The Titi Wainui or Fairy Prion, Pachyptila turtur (Kuhl), Part 2.         By L. E. Richdale 165 The Classification and Reproductive Organs of New Zealand Land Planarians.         Marion L. Fyfe 288–293 The Octopodous Mollusca of New Zealand—V.         W. B. Benham 294–296 The Anatomy of the Final Larval Instar of Diadromus (Thyraeella) collaris Grav. (Ichneumonidae), with Notes on Structural Changes Through the Prepupal and Pupal Stages.         B. B. Given 297–301 Protozoa from New Zealand Termites.         By Frances R. Nurse. 305–314 Investigation of the Stomach Contents of New Zealand Freshwater Shags.         By R. A. Falla and G. Stokell. 320–331 A Comparative Account of the Vascular System of Certain Rajiform Fishes.         By Mary L. Prior and B. J. Marples. 343–358 Pollicipes spinosus Q. and G. I. Notes on Biology and Anatomy of Adult Barnacle.         By Elizabeth J. Batham. 350–374 Systematic and Biological Account of the New Zealand Mygalomorphae (Arachnida).         By Valerie Todd. 375–407 A New Beetle of the Genus Mlccodcma.         By E. Fairburn. 408–410 Proceedings. Annual Meeting I Presidential Address XXIX Appendix 419–451 Index to Volume 74 452 Obituary. Frederick Chapman 302–303