( 3 ) 
S. Lamellibranchiata. page 
Pelseneer, P . — Identity of Composition of Nervous System of Lamellibranchiata 
and other Molluscs • . 582 
M'Alpine, D . — Progress and Rotation of Bivalve Molluscs and of Detached Ciliated 
Portions 583 
Rankin, W. M . — Organ of Bojanus in Anodonta cygnea 583 
Villepoix, Moynier de — Repair of Test of Anodon 584 
Molluscoida. 
y. Brachiopoda. 
Fischer, P., & D. P. Oehleut — Stratigrapkical Distribution of Deep-Sea Brachio- 
pods 585 
Arthropoda. 
Schimkewitsch, W . — Signification of Vitelline Cells in Tracheata 586 
a. 'Insecta. 
Exner — The Retinal Image of the Insect Eye (Figs. 61-71) 586 
Dubois, R . — Secretion of Silk in Bombyx mori 594 
Verson, E . — Parthenogenesis of the Ova of Bombyx 594 
Brandt, E. K . — Anatomy of Sesia tipuliformis and Trochilium apiforme .. .. 594 
Bonsdorff, A. von — Sculpturings on Elytra of Coleoptera 595 
Mayer, P . — Germinal Vesicle of Flies 595 
Cameron, P . — British Phytophagous Hymenoptera 595 
Wood-Mason, J. — Viviparous Caddis-fly .. .. 595 
Henneguy, L. F . — Ovarian Envelope of Phyllium 596 
5. Araclin ida. 
Laurie, M . — Embryology of Euscorpius itdlicus 597 
M‘Cook, H . — American Spiders . . 597 
Greve, C . — Habits of Mygale 599 
Koenike, F. — Water- Mite Parasitic on a Snail 599 
(, Crustacea. 
Weldon, W. F. R . — Variations of Decapod Crustacea 599 
Bouvier, E. L . — Circulatory System of Carapace of Decapod Crustacea 600 
Parker, G. H . — Histology and Development of Eye of Lobster 600 
Roule, L . — Blastoderm of Isopoda 601 
Bovallius. C. — The Oxycephalids 601 
Imhof, O. E . — Bosmina 602 
Claus, C . — Organization of Cy prides 602 
Brady, G. S.—Ostracoda from South Sea Islands .. .. 603 
Vermes, 
o. Annelida. 
M‘Intosh, W. C . — Occurrence of Pelagic Annelids and Chsetognaths in St. Andrews 
Bay throughout the Year 603 
Cunningham, J. T., & G. A. Ramage —Polychxta Sedentaria of Firth of Forth .. 603 
Ives, J. E . — Arenicola cristata and its Allies 603 
Buchanan, F .—Hehaterobranehus Shrubsolii 603 
Ben ham, W. B . — Classification of Earthivorms 604 
„ „ Atrium or Prostate 605 
Beddard, F. E . — Anatomy of Moniligaster 605 
„ „ Diachxta Windlei „ 606 
„ „ Phreoryctes 606 
Kulagin, N . — Russian Earthworms 606 
Roule, L . — Development of Germinal Layers of Tubicolous Gephyrea 607 
0. Nemathelminthes. 
Jammes, L .— Histology of Ascaris 608 
y. Platyhelminthes. 
Burger, 0 .— Anatomy and Histology of Nemertines 608 
b 
