CONTEXTS. X11I 



PAGE 



Kunkel, K. — Locomotion of Slugs 490 



Koehler, R., & 0. Vaney — Entosiphon Deimatis Parasitic in an Abyssal 



Holothuroid 4'.': 



Pace, S. — Structure of Pontiothauma 41H 



Davis, J. R. Ainsworth, & H. J. Fleure — Memoir on the Limpet 491 



Heath, H. — Function of Subradular Organ in Chiton 492 



Breyne,C.de — Follicular Cells in Gonads oj Gastropods 492 



Bavay, A. — A'er if erous Canal in Shell of certain Pulmonata 492 



Westerlund, C. A. — Synopsis of Pal&arctic Forms of Clausilia 492 



Meisenheimer, J. — New Pteropod 003 



Kunkel, K. — Breeding Experiments ivith Sinistral Snails 60:; 



Nierstrasz, H. F. — New Solenogastres 717 



Fahringer, J. — Storing-Kidney in Car •inaria mediterranea 717 



Cockerell, T. D. A. — Variation in the Genu s Ashmunella 717 



Grabau, Amadeus — Gastropod Studies .. 718 



Ancel, P. — Sexual Differentiation in the Hermaphrodite Gland of Limax maxi- 



mus 718 



5. Lamellibranchiata. 



Baker, F. C. — Monstrosities in Bivalves 3:! 



Boutan, L. — Innervation of Mantle of Pecten 33 



Jameson, H. Lyster — Formation of Pearls 170 



Jobert — Muscular Apparatus of Anomia 171 



Dall, W. H. — Synopsis of Carditacea 171 



Dubois, R. — Origin of Pearls in Mytilus gallo-provinciali* 291 



M'Intosh, W. C. — Frequency of Occurrence of Pearls 493 



Andrusoff, N. — Brackish Water Cockles 493 



Vorges, Domet de. — Utilisation of Carbonate of Lime by Anodonta 718 



Baker, F. C. — Bib Variation in Car dium 718 



Arthxopoda, 



«. Insecta. 



Holmgren, Nils — Morplwlogical Significance of Chitinous Cuticle 33 



Snow, L^titia M.— Insects of the Drift Line .. .. • 33 



Bachmetjew, P. — Calorimetric Measurements in reference to Pupas of Lepidoptera 3:! 



Verhoeff, K. W. — Innervation of Metacephalic Segment 34 



Holmgren, Nils — Excretory Processes in Insects 34 



Kellogg, V. L. — Mouth-parts of Insects 34 



Cobelli, Rcggero — Stridulation of Death's Head Moth 34 



Godman, F. D., & O. Salvin — Butterflies of Borderland between North and South 



America 34 



Dlxey, F. A.— Seasonal Dimorphism in Butterflies 35 



Levrat, D., & A. Conte — Colour of Silk 35- 



Field, Adele M. — Study of an Ant 35 



Melander, A. L. — Gynandromorphism in Hilara wheeleri sp. n 30 



VoInov, D. N. — Spermatogenesis in Cybister rceselii 36 



Annandale, Nelson — Malayan Phasmidx and a Floicer-like Beetle Larva .. .. 36 



Carazzi, D. — Berlese's Bursa in Acant'iia lectularia L 36 



Kellogg, V. L. — Larva of Giant Crane Fly 36 



Miall, L. C, & G. Gilson — Cricket of Aquatic Habits 36 



McClung. C. E. — Spermatogenesis of Locustidm 37 



Esoherich, K. — Development of Nervous System in Muscidie 37 



Bordi, A. — Species of Mosquitos concerned in Diffusion of Malaria 37 



Tavares, J. da Silva — Studies on Zoocecidia 38 



Kellogg, V. L., & Shinkai I. Kuwana — Mallophaga from Galapagos Birds .. 38 



Forel, A., & H. Uufour — Sensitiveness of Ants to Ultra- Violet and Uontgen Rays 171 



Sosnowski, J. — Physiological Study of Metamorphosis 172 



Wasmann, E. — Pseudogyny in Formica, and its Cause 172 



