CONTENTS, 



Tbansaotions of the Society — pack 



XI. — The Pathogenic History and Histoky ttnder Cultivation 

 OP A New Bacillus (B. alvei), the Cause of a Disease 

 OP THE Hive Bee hitherto known as Foul Brood. By 

 Frank E. Cheshire, F.E.M.S., F.L.S., and W. Watson 

 Cheyne, M.B., F.E.C.S. (Plates X. & XL & Fig. 134) . . 581 



XII. — Experiments on Feeding some Insects with the Curved 

 OB " Comma " Bacillus, and also with another Bacillus 

 (B. suBTiLis?). By E. L. Maddox, M.D,, Hon. F.E.M.S. . . 602 



XIII. — On Four New Species op the Genus Floscularia, and 

 Five other New Species op Eotipera. By C. T. Hudson, 

 LL.D., F.E.M.S. (Plate XIL) 608 



SUMMARY OF CURRENT RESEARCHES. 



ZOOLOGY. 



A. GENERAL, including Embryologry and Histology 

 of the Vertebrata. 



JjAXJhkiSE— Unity of the Process of Spermatogenesis in Mammalia , . 615 



Duval, M. — Formation of the Blastoderm in the Bird's JEgg 615 



Bab.hste, C— Physiological Purpose of Turning the Incuhating Hen's Eggs .. .. 617 



'LASCB.ENBEnG,0.— Colours of Birds' Eggs 618 



Sarasin, P. B. & C. F, — Development of Epicrium 618 



Eyder, J. A.— Translocation forwards of the Rudiments of the Pelvic Fins in 



the Embryos of Physoclist Fishes 618 



LOEW, O., & T. BoKORNY — Silver-reducing Animal Organs .. 619 



Coleman, J. J., & M'Kendbick— J^/ecis of Very Low Temperatures on Living 



Organisms f^ gjg 



'BeluF.Jeffket[— Bell's' Comparative Anatomy and Physiology' .. '.'. .. .. 620 



B. INVERTEBRATA. 



Etchabd — Action of Cocain on Invertebrates 621 



MacM-VNIH, C. A.— EnterocMorophyll and Allied Pigments .V .*.* '' 621 



MoUusca. 



JiaIjLETon,!,.— Buccal Membrane of Cephalopoda ., 622 



Grwfitss, A. B.— Pancreatic Function of the Cephalopod Liver .. .*. .'. .*.' 622 



rATTEN,W.— Artificial Fecundation of MoUusca.. .. 623 



^^OCK, J.— Development of Generative Organs of Pulmonata .. .. '.'. '.'. '.'. 623 



i<OL, H. — Microscopic Anatomy of Dentalium 623 



BovTAti, L.— Nervous System of Fissurella ,[ \[ 624 



rommn,J.— Anatomy and Systematic Position of HaliapriamusBi's'so .*.* '.'. '.'. 624 



y^rssihuE, A.— Tecttbranchiata of the Gulf of Marseillef 624 



^EVMAT[s,M.— Classification of the Lamellibranchs ,'.* " 625 



ZiEGLEB, H. E. — Development of Cyclas cornea [. ,', 625 



Cattie J. T.— Manner in which Lamellibranchs attach themselves to Foreign 



uojects gog 



^^CDONALj), J. D.— General Characters of Cymbulia .. '.'. '.'. */. '.'. *'. '.'. 627 



Molluscoida, 



a. Tunicata. 



^^KE^, 0.— Development of Social Ascidians 627 



^^^^ois, J. —Genetic Cycle and Germiimtion of Anchinia.. " " ° fiqn 



iiOJ:hE,h.— New Species of Simple Ascidians .. ,. ,. '' " *' "^ *' gSl 



