12' Ocd. 
IV. Ccelenterata. 
[1900] 
Exothecal processes of Hliizophyllum ; 
Shearsby. 
Structure of spicules, Alcyonium digi- 
tatum, etc. ; Woodland. 
Spicules, Bebvyce indica ; Thomson. 
Organs. 
Intrapolypal tentacles (Madreporaria) ; 
Duerden, 4. 
Digestive organs, Alcyonaria ; Pratt. 
Sense organs, Cunoctantha foideri 
sp. n. ; Browne, 2. 
Histology. 
Histology, general, Alcyonium digita- 
tum ; Woodland. 
Hydroid stolons ; Billard, 3. 
Lime-forming layer, Madreporarian 
polyp; Gordon, M. M. 
Mesoglceal cell plexus, Alcyonaria ; 
Pratt. 
PHYSIOLOGY. 0811 
General. 
Remarks on the physiology of the 
Zoantharia ; Duerden, 2. 
On the causes of regeneration and 
polarity in Tubularia ; Morgan. 
Light as a factor in the regeneration 
of hydroids, Eudendrium ; Goldfarb. 
Sex. 
Ueber Gesclilechtsentwickelung von 
Hydra fusca ; Hertwig. 
Sexual dimorphism in Aglaophenia ; 
Torrey and Martin. 
Nutrition. 
Feeding experiments, Fungia, Favia ; 
Duerden, 4. — Feeding experiments, 
Alcyonium digitatum ; Pratt. — Stomo- 
daeal currents, Fungia ; Duerden, 3. 
Effects of hunger in Hydra fusca, 
histological alterations, influence on sex ; 
Schultz.' " 
Excretion. 
Excretion, Alcyonaria ; Pratt. 
Movement. 
On the locomotion of a sea anemone* 
(Metridium marginatum ) ; McClendon. 
Eigentiimlicher Ortswechsel einer 
Seerose; Mttllegger. 
Rhythmical pulsation in Scypliome- 
dusae ; Mayer. 
The reversal of ciliary movement in 
Metazoans, (Experiments on Metridium 
marginatum .); Parker, 1. 
The movements of the swimming- 
plates in Ctonophores, with reference to 
the theories of ciliary metachronisnp; 
Parker, 2. 
Relation between contractibility and 
coagulation of the colloids in the Cteno- 
phore swimming-plate ; Lillie. 
Special Functions. 
Role of mucus in corals ; Duerden, 3. 
Functions of mesoegloeal plexus, Alcyo- 
naria ; Pratt. 
Nervous function, Alcyonaria ; Pratt. 
Environmental effects ; stimuli. 
Modifiability in behaviour (of sea- 
anemones) ; Jennings. 
Biological studies on Corymorpba, C. 
palma and environment ; Torrey, 1. 
Reactions oiTubularia crocea ; Pearse. 
Sur les courbures (de Actinoloba ) 
dues a la lumiere ; Bohn, 1. 
Mouvements en relation avec l’assimi- 
lation pigmentaire (et variation de 
Teclairement) ( Anthea ) ; Bohn, 2. 
Movements of Virgularidae on becom- 
ing gradually exposed to air, i.e., in 
response to ebb and flow of tides : 
Gravier, 2, 5. 
Physiology of expansion and retraction 
in Actinia ; Pi&ron. 
Rh^otropisme de quelques Hydroides. 
monosiphones ; Hallez. 
Galvanotropic reactions of the Medusa 
Poly orchis penicillata ; Bancroft, 1. 
