CONTENTS. XI 



PAGE 



Mimicry of Humming-birds hy Moths Part 3 365 



Histology and Development of Insects Part 4 499 



Markings on Podura Scales » 501 



Relation of Light to Colour in Evolution of Species .. .. Part 5 646 

 Constancy and Methodic Habits of Insects in their Visits to 



Flowers 



646 



Rudimentary Wings in the Coleoptera ,> 647 



Clasping Organs, accessory to Generation, in Lepidoptera . . „ 648 



Colour Preferences in Nocturnal Lepidoptera „ 650 



Fungus Parasitic on a Mature Coleopter „ 685 



Flight of Insects Part 6 832 



Antennary Rods of Vanessa lo » 832 



p. Myriopoda. 



Existence of a Blastopore and Origin of the Mesdblast in 



Peripatus 'Pa.xi 1 52 



Formation of Prussic Acid in a Myriopod „ 53 



Embryology of the Chilopoda „ 54 



Ventral Organ of Geophilus Part 2 208 



Systematic Position of the Archipolypoda Part 3 365 



Anatomy and Development of Peripatus Capensis .. .. „ 366 



New Species of Polydesmus with Eyes >, 367 



Dermal Appendages of Polyxenus Part 4 501 



Scolopendrella Part 5 651 



Studies on the Myriopoda Part 6 832 



Development of Peripatus „ 833 



y. Arach.nida. 



Observations on the Anatomy of the Oribatidce. {Plates I. 



and II.) Part 1 1 



Poison- Apparatus of Scorpions „ 55 



Snares of Orb-weaving Spiders . • „ 55 



Swiss HydrachnidcB d 56 



Polymorphism and Parthenogenesis in Acari Part 2 210 



Trombidium fuliginosum „ 211 



Pairing of Tegenaria guyonii — Organs in the Male 



Abdominal Sexual Region Part 4 502 



Anatomy of Pentastomum oxycephalum „ 503 



Bemodex phylloides .. »» 503 



Auditory Hairs of Arachnida Part 5 652 



Pentastoma Lari .. . . Part 6 835 



5. Crustacea. 



Homologies of the Crustacean Limb Parti 56 



Characters of Nebalia „ 57 



Nervous System of Palcemomtes varians „ 57 



New Genus and Species of Lyncodaphnidce „ 58 



Ecdysis of Apodemes in Crustacea Part 2 211 



Blind Copepod of the Family Harpacticidm „ 212 



Caprellidae Part 3 367 



Coloration of Idotea tricuspidata „ 367 



Larval Development of Phoxichilidium Plumularice .. . . Part 4 504 



Relationships of the Malacostraca ». 504 



