CONTENTS. Xi 



PAOB 



Tretjakoff, D. — Central Sensory Organs in Petromy ton 575 



MozEjKO, B. — Subcutaneous Vascular System of Amyhioxus 575 



Delsman, H. C. — Brain of Amphiozus 576 



BoEKE, J. — Infundibular (frgaii of Amphiozus 576 



Saul, E. — Mites and Helminths in Relation to Tumours 576 



Tunicata. 



CantacuzIine, J. —Blood of Phallusia 2S5 



Herdman, W. A. — Diazona violocea •• 383 



DuESBERQ, J. — Organ-forming Substances in Ovum of Cio7i<t 477 



Uebel, E. — Appendicular ians of the Adriatic 576 



INVERTEBRATA. 



Mollusca. 



Ctjenot. L. — Phagocytic Organs of Molluscs 477 



a. Ceplialopoda. 



Gkimpe, G. — Vascular System of Octopods 383 



Chan, Carl — New Type of Cuttlefish 577 



„ „ Larvse of Spirula 577 



7« G-astropoda. 



CoLTON, H. S. — Self-fertilization in Lymnsea 63 



Reupsch. Erich — Hidology of Heteropods 64 



Henrici, p. — Musculature and Foot-glands of Tonicella marmortd .. 285 



ScHAFFER, Josef — Supporting-tissue in Gasteropods 285 



ZAmsiK^Ho-Ris,— Chromatin of Ovum of Creseis 285 



ScuEiDiG^ JLarl— Structure of Crucibulum ferrugineum .. .. 478 



Seel, Otto — Structure of Choneplax latus 478 



Grunbaum, S. — Calcigerous Cells in SriaiVs Liver 578 



Schuster, M. E. — Structure of Helcioniscus ardosimus 578 



KuTTiiER, Arthur — Structure of Oh'va peruviana . . 578 



Kleinsteuber, Hans — Structure of Calyptrxids 578 



5. Liamellibrancliiata. 



Rassbaoh, R. — Minute Structure of Shell of Anodonta cellensis 04 



Drew, D. Harold (the late) — Experimental Metaplasmia iit Pecten 286 



Splittstosser, P. — Details of the Nervous System of Anodonta cellensis .. .. .. 286 



Grieser, Emil — Structure of Chama pellucida 478 



Kasper, Josef — Structure of Erycinidise and Garditidse 579 



Arthropoda. 



a. Insecta. 



HocHREUTHER, R. — hitegunientary Seiise-organs of Dytiscus marginuUs 64 



Stendell, Walter — QSnocytes of Ephestia 05 



Harms, Bruno — Develojiment of Dog Flea 65 



Braun, Max — Mid-gut Epithelium of Larvas during Ecdy sis 66 



Wesohe, W. (the late) — Minute Structure of Diptera 66 



Absolon, K. — Nfiv Cavernicolous Podurid : 157 



Philiptsohenku, JuR. — Development of Apterygota 157 



