12 Cod. 
IV. Ccelenterata. 
[1909] 
Revision of type species of Hydroids 
of Lamouroux's collection in the Bo- 
tanical Institute, Caen ; Billard, 18. 
Nettleroth collection, fossil (De- 
vonian, Kentucky) Corals included in ; 
Bassler, 7. 
Technique. 
Method to be adopted for obtaining 
the Mediterranean Medusa Eleutheria , 
fully developed in captivity; du 
Plessis, 143. 
STRUCTURE. 0807 
General Morphology. 
Comparative account of Hydra fusca 
and H. grisea ; Frischholz, 53. 
Microhydra ryderi, notes on struc- 
ture ; Goette, 55. 
The Hy droid of Cladocarpus for- 
mosus ; Ritchie, 146. 
Account of Lafoea dispolians n. sp. ; 
Warren, 186. 
Bau des morkwurdigen Coelenteraten 
Poly podium hydri for me ; Lipin, 116. 
Description of a new Gjminoblastic 
Hydroid, Ptilocodium repens, n.g., n. 
sp. ; Coward, 37. 
Note on structure of Selaginopsis 
mirabilis ; Ritchie, 148. 
Structure of Cosmetira ( Thauman- 
tias) pilosella ; Hartlaub, 79. 
Morphology of the Trachyline Hydro - 
medusoid genus Tetraplatia ; Carl- 
gren, 32. 
Notes on Kerunia, and comparison 
with Cyclactinia ; Douvill6, 40. 
A pelagic sea-anemone without ten- 
tacles ( Anactinia pelagica , n.g.. n.sp.); 
Annandale, 2. 
Notes on the Actinian, Polyparium 
ambulans ; Pax, 140. 
Skeleton. 
Studies on the morphology of certain 
fossil Rugose Corals ; Brown, 30. 
Verdriickungen thuringisch-sachs- 
ischer Graptolitenformen ; Eisel, 42. 
♦Morphologische . Bedeutung der 
Achse der Gorgonacea ; Studer, 170. 
Organs. 
Organs of circulation in Pennatulids : 
experimental observations on Penna- 
tula, Pteroeides and Anthoptilum ; Mus- 
grave, 134. 
Hermaphroditism in hydranths of 
Tubnlaria larynx ; Gravely, 59. 
On the gonadial grooves of Medusae, 
Aurelia aurita and other species ; 
Goodey, 56. 
Histology. 
Cytology of Polyvodium hydri forme ; 
Lipin, 116. 
Ueber das Nervensy stem von Hydra 
fusca ; Hadzi, 70. 
Das Nervensystem der Aktinien ; 
Groselj, 68. 
Ueber das Vorkommen contraktiler 
Elemente in den Nesselzellen der Coe- 
lenteraten ; Will, 191. 
Die Klebkapseln der Aktinien ; Will, 
192. 
Migration of nematocysts through the 
tissues in the Egyptian Medusa, Moer- 
isia ; Boulenger, 24. 
Sur les enteroules des Acraspedes 
(Scyphistomes) ; H6rouard, 85. 
Die Spermien von Aurelia aurita; 
Retzius, 145. 
Germ cells of Hydra ; Tannreuther, 
172. 
Notiz iiber die chemische Zusammen- 
setzung der Geriistsubstanz von V( lella 
spirans; Henze, 84. 
Zur Kenntnis der organisclien Geriist- 
substanz des Ant.hozoenskeletts. Ueber 
die chemische Natur des Cornikrystal- 
lins ; Morner, 126. 
PHYSIOLOGY. 0811 
General. 
Experimental control of certain 
regulatory processes in Harenactis al- 
ien uata ; Child, 34. 
Regional factors in oral restitution; 
Child, 35. 
Functional activity, form-regulation, 
position and degree of injury as factors 
in determining the rate of regeneration 
(in Cassiopaea); Stockard, 165. 
