CONTENTS. xm 



j8. Grastropoda. page 



Pacatjt, M., & P. YiGiEU— Cytology of Salic ary Glands in Helix pomatid .. .. 33 



Aeberhardt, B. — Nervous System of Gastropoda 160 



Herbick, J. C. — Odontophore of Sycotypus canaliculatus 160 



Blatin, M., & F. VlJis — Arterial System of Aplysia 160 



Vessichelli, N. — Phylliroe 296 



SoLLAS, Igerna B. J. — Composition and Development of the Radula 296 



IjAMS, H. — Beproduction of Arion empirlcorum 297 



PopoFF, ]M. — Embryology of Faludina vivipara 418 



Dubois, R., & Fred Yhks^ Locomotion of Gastropods 418 



EIjIOT, Sir C— Antarctic Pteropods 543 



„ „ Antarctic Nudibranchs 543 



Smith, Edgae A.— Antarctic Chiton 543 



„ „ Antarctic Gastropods 543 



Popovici-Baznosanu, A. — Seminal Apparatus in Helix 544 



SoLLAs, Igerna B. J. — Molluscan Radula 670 



Robert, A. — Progression of Bhipidoglossidse 671 



Smith, Burnett — Morphology of Pyrula 671 



5. liamellibranchiata. 



Marceau, F. — Movements of the Shell-valves 34 



Wallengren, Hans — Water- Currents in Bivalves 34 



,, „ Ingestion in Bivalves 34 



Vles, Fred — Mechanism of Swimming in Pecten 35 



Snethlage, E. — Genus Joufia Boehm 35 



Drew, Ct. A. — Giant Scallop 160 



^\AAGEti,lu.— Hinge of ^theria 161 



Stenta, Mario — Glandular Organ in Pinna 297 



Carles, P. — Fluorine in Shells of Bivalves 297 



Dubois, R. — Radiography applied to Discovery of Pearls 297 



Boettger, C. — Petricola phiiladiformis in German Waters 418 



Vles, Fred — Locomotion of Petunculus glycymeris 418 



Bourne, G. C — Structure of Enigma setiigmaiica Chemnitz 419 



Anthony, R., & H. Neiville — Malacological Fauna of African Lakes 542 



Drew, G. A. — Phytogeny of LamelUbranchs . .. 542 



„ „ Anatomy of Giant Scallop 542 



„ „ Movements of Ensis directus Con 542 



SuYfa, 'EiDGAB. A.— Antarctic Bivalves .. .. ' 543 



Arthropoda. 



o- Insecta. 



'Em'Vivit, G. Gomiotf—Cytological Aspect of Parthenogenesis in Insects 35 



Berlese, Antonio — Structure of Im^ects ' 35 



Walton, L. B. — Thoracic Segments in Hexapoda and Chilopoda 36 



Anj'iHAR'V,Ij.— Wax-Glands of Honey-Bee 36 



„ Coiling of the Aorta in the Bee 36 



Doncasteb, L. — Spermatogenesis of Hive-Bee 36 



BoRDAS, L. — Proventriculus and Gizzard of Wood-cutting Bee 36 



Alonso, Jose Makia Dusmet y — Apidas of Spain 37 



Ducke, A. — Social Wasps of Para 37 



Pieron, H. — Olfactory Sense in Ants 37 



BvGmON, B.— Stalked Egg of Cyn/pidie '. 37 



Wenke, K. — Hermaphroditism in Lepidoptera , . . . . 37 



Miacmt!, E. A., & OTUERS—Glossina palpalis in Relation to Trypanosomes .. .. 37 



Streiff, R. N.—Tlie " Unpaired Organ " of Conopidse 38 



Meuniek, F. — Flies in Amber 38 



Tvhh0CH,F. G. M.— Internal Structure of Stomoxys 38,: 



Silvestri, F. — African Termites and Termitophilous Insects 38 



