13 Cod. Subject TtfDEx: ; 0819 
V erglei chende Ent w ickl utigsg'e- 
schichte der Gescbleclitsindividuen der 
Hydropolypen ; Goette, 59. 
Die Entwicklung der Gonophoren 
einiger Siphonophoren ( Rhizophysa , 
Physalia , Hippopodius ; Richter, 141. 
Existence de statoblastes chez le 
Scyphistoma ; H^rouard, 79. 
Regeneration. 
An analysis of form-regulation in 
Tubularia. i. Stolon-formation and 
polarity, ii. Differences in proportion 
in the primordial iii. Regional and 
polar differences in the relation between 
primordium and hydranth. iv. Re- 
gional and polar differences in the time 
of hydranth-formation as a special case 
of regulation in a complex system, v. 
Regulation in short pieces, vi. The 
significance of certain modifications of 
regulation: polarity and form-regulation 
in general ; Child, 33 & 34. 
Regeneration in the Scyphomedusan, 
Cass ioped xa mac ha na ; Zeieny, 179. 
Die Ersatzreaktionen (Regeneration, 
Form- Regulation) bei Actinien (Actinia 
aequina und Actinoloba diantlius ) ; 
Moszkowski, 123. 
(Regeneration de VObelia dichotoma 
et du Tubularia indivisa ; Billard, 19.) 
Oogenesis. 
Studi sulToocite dei Celenterati du- 
rante ilperiodo di crescita ; Trinci, 162. 
Embryology. 
The development of Corymorpha 
palma from the egg ; Torrey, 161. 
On Turrit opsis nutricula j Brooks and 
Rittenhouse, 26. 
: Embryogeny of Pritnnoa reseda ; 
Thomson, 159. 
Development stages in Streptelasma 
rectum, Hall; Brown, 27. 
Histogenesis. 
Existence of mesoderm in larval 
development of a Narcomedusan 
( Solmundella ) ; Bavidoff, 42. 
Studies on the nuclear cycle of Gonia *• 
nemus murbachii ; Bigelow, 12. 
Entstehung der Ringnerven, Car- 
marina ; Bavidoff u. Gariajev, 43. 
Die Genitalanlagen der Rhizophy- 
salien ; Steche, 154. 
Nouvelles recherches sur ledeveloppe- 
ment du pharynx et des cloisons chez 
les Hexactinies (Sagartia et Adamsia ) ; 
Faurot, 53. 
On the development of the inner wall 
in certain Paleozoic Corals ( Craspedo - 
phyllum ) ; Anderson, 2. 
The primary septa in Rugose Corals ; 
Gordon, 61. 
Sur la formation du squelette des 
Hexacoralliares & polypier (Seriatopora ) ; 
Krempf, 94. 
Larval forms, etc. 
Trichoplax, die umgewandelte (thig- 
motaktisch gewordene) Planula einer 
Hydromeduse (Eleutheria) ; Krumbach, 
95. 
Nuove larve pelagiche di Ceriantidi e 
di Zoantidi ; Senna, 152. 
Jugendstadien und „Vegetations“- 
punkt" von Antennnlaria antcnnina 
Johnst; Strohl, 157. 
Viviparity. 
Primnoa reseda ; Thomson, 159. 
ETHOLOGY. 0819 
Bionomics of Hydra orientalis ; conv- 
mensalism, enemies, food, behaviour, 
etc. ; Annandale, 6. 
Habits; behaviour. 
Metridium schillerianum (Stoliczka) 
var. ea :ul. ; Annandale, 7. 
Beitrage zur Kenntnis der Meduse 
Eleutheria ( Clavatella ) aus dem Golfe 
von Triest ; Krumbach, 96. 
Notes on the behaviour of sea- 
anemones ; Hargitt,75^— Also Fleure und 
Walton, 55. 
Ueber die Selbstverstiinunelung der 
Siphonophoren ; Schaeppi, 151. 
