{ 3 ) 



5. Lamellibranchiata. page 



Pelseneeb, P. — Lnmellibranch'ata without gills 564 



Brock, J. — So-called Eyes of Tridacna and Occurrence of Feeudochlorophyll Cor- 

 puscles in the Vascular System of Lamellibranchs 564 



Sharp, B. — Phylogeny of Lamellihranchs .. •• 565 



Haseloff, B. — Crystalhne Style 566 



Molluscoida, 

 0. Polyzoa. 



KoROTNEFF, A. — Spermatdgenesis in Alcyonella ., 566 



KbapbxiIN, K. — Fresh-water Polyzoa 566 



Arthropoda. 



Bbcce, A. T. — Embryology of Insects and Arachnids 567 



a. Insecta. 



Grabeb, V. — Poligpsdy of Insect Embryos , ., 568 



Bath, O. vom — Dermal Sensory Organ of Insects 569 



ScHMiD, E. — Svb-aquatic Respiration 569 



FiELDE, A. M..— Dorsal Appendages , .. 578 



Emery, G.—So-oalled Digestvoe Stomach of some Anls 570 



FoKEL, A. — Senses of Ants 571 



Vebson, E. — Parthenogenesis in Bomhyx mori .. .. .. 571 



Platneb, G. — KaryoMnesis in Lepidoptera 571 



Ueech, F. — Decrease of Weight in Winter Pupie of Pontia brassicx . . .. .. .. 572 



VoELTSKOW, A. — Development in Egg of Musca vomitoria 572 



Henking, H. — Early Stages in Development of Egg of Fly 573 



Will, L. — Development of Aphides 573 



7. Arachnida. 



Peckham, G. W. & E. G. — Mental Powers of Spiders 575 



Saint-Eemy, G. — Brain of Phalangida 576 



S. Prototraclieata. 



Sedgwick, A. — Monograph of the Genus Per ipatus 576 



Sheldon, L. — Anatomy of Peripatus capensis and P. novss Zealandiss 577 



6. Crustacea. 



Mackat, W. J. — Intereoxal Lobe of certain Crayfishes 577 



Hebbick, F. H. — Development of Alpheus .. .. 577 



NoBDQViST, O. — Moina bathycolor and the greatest depths, at which Cladocera are 



found .. 578 



Vermes. 



a, Annelida. 



Haswell, W. a. — Embryology of Vermilia casspitosa and Eupomatus elegans . , 578 



Beddabd, F. E. — Meproductive Organs of Phreoryctes 579 



BouBNE, G. C. — Kleinenberg on Development of Lopadorhynchns ., 579 



KtJKENTHAL, W. — Experiments on Earthworms . . , . , . 580 



KuLAGiN, N. — Russian Lumhrieidae .. .. ., .. .. .. .. 581 



Eisen, G. — New Annelid, Sutroa rostrata . . , . 582 



Stokes, A. C. — Twonew Aquatic Worms from North America.. .- ., .. .. 582 



0. Neniatlielni.inth.es. 



KuLTSCHiTZKY, N. — Fertilization of Ascaris . . . . 583 



LxjKJANow, S. M. — Intestinal Epithelium of Ascaris ..- 583 



Vejdofsky, F. — Studies on Gordiidse .. .. , 583 



Chatin, J. — Anguillulidse of the Onion ., .. .. .. .. 585 



Bos, Eitzema. — Tylenchus devasfatrix ., 585 



y. Platyhelmintlies. 



Hallez, P. — Embryogeny of Fresh-water Dendroccel-a . . ., ,. „ 586 



Salensky, W. — Lateral Organs ,. .. .. ,. .. .. ., .. 587 



Fbitsch, G. — Bilharzia .. .. ,. .... .. .. , 58S 



h 



