XIV CONTENTS. 



y- Scaphopoda. 



Distaso, Arcanqelo— Structure of Dentalium 690 



Boissevain, Maria — Anatomy and Histology of Dentalium ,. .. 690 



5. Lamellibranchiata. 



Davenport, C. B. — Variations in Pecten lit 



Hyde, Ida H. — Eye of Pecten irradians 50 



Kostanecki, K. — Artificial Parthenogenesis in Mactra 305 



Vlks, Fred — Locomotion of Nucula 306 



Herdman, W. A. — Gill of Pearl Oyster 432 



Vles, Fred — Neio Sensory Organ in Nucula 585 



Hornell. James — Pearl Oysters 586 



Glaser, 0. C. — Growth of Oysters 690 



White, C. A. — Derivation of North American Tnionidx 690 



Kostanecki, K. — Cytology and Artificial Parthenogenesis in Eggs of Mactra .. .. 691 



Marceau, F. — Adductor Muscles of Mactra and Pecten 691 



Herdman, W. A. — Structure of the Pearl Oyster 691 



Arthropoda. 



Stamm, R. H. — Insertion of Muscles on the Skeleton of Arthropods} .. .. ' .. .. 179 



a. Insecta. 



Parker, G. H. — Phototropism of Vanessa antiopa 50 



Krodel, E.— Influence of Low Temperatures on Pupse . .. 50 



Villard, J. — Pigment of Silk of Anthercea yana-mai 51 



Dewitz, J. — Metamorphosis of Insect Larvse 51 



Hirschler, Jan — Regeneration of the Anterior End of the Body in Pupse of 



Lepidoptera 51 



Muller, J. — Two New Cave-Beetles 51 



Rohler, Ernst — Antennary Sense-Organs of Tryxalis nasuta 51 



Floyd, Rolfe — Nerve-Cells of Cockroach 52 



Froggatt, W. W. — Australian Thysanoptera 52 



Cholodkovsky, N. — Entomological Notes 52 



Bueno, J. R. De La Torre — Stridulation in Ranatra fusca 52 



Handlirsch, A. — Classification of Hexapoda 52 



Stitz, H. — Genital Apparatus of Trichoptera 53 



Enderlein, Gunther — Studies on Lice 53 



Ward, H. B. — Dermatobia hominis 53 



Radl. Em. — Sense of Hearing in Insects 179 



Deegener, P. — Development of the Gut in Insects during Metamorphosis .. .. 179 



Dreyling, L. — Wax-glands in Meliponidse 179 



Hilzheimer, Max — Hypopharynz of Hymenoptera 179 



Bordas, L. — Accessory Glands of the Silk- Producing Apparatus in Caterpillars .. 180 



Pictet, Arnold — Modifications in the Development of Lepidoptera 180 



Cuenot, L. — Is there a Relation between Size of Eggs and Sex in Lepidoptera? .. 180 



Felt, E. P.— Mosquitos of New York State 180 



Wesche, W. — Some Neiv Sense- Organs in Diptera 180 



Boctan, L.— Coffee Beetle 181 



Dodd, F. P. — Maternal Instinct in Rhynchota- 181 



Riley, W. A. —Development of Head Skeleton in Cockroach 181 



Voss, F. — Thorax of Gryllus Domesticus , 181 



Gross, J. — Pahw'ris Organ in Ephemerids 182 



Escherich, K. — Monograph on Lepismatidse 182 



Aqren, H. — CoUembola of Lapland 182 



Hoffmann. R. W. — Ventral Tube of Tomoceros 182 



Stschelkanovzew, J. P. — Maturation in Viviparous Aphides 30t> 



Silvestri, F. — Primitive Thysanuran 306 



Sykes, Mark L. — Protective Resemblance in'Insecta 306 



