48 Verm. 
VI. Vermidea. 
[1910] 
Zur Kenntnis der Regenerations- 
vorgange am Hinterende von Tubifex 
rivulorum ; Lomb, 256. 
Parthenogenesis. 
Sur l’6xistence et les conditions de la 
parthenogenese chez Dinophilus ( con - 
klini) ; Beauchamp, 15. 
Spermatogenesis, Oogenesis. 
Pseudo-reduction in the oogenesis 
of Allolobophora foetida ; Foot & Strobell, 
112 . 
Le mecanume de la reduction 
numerique dans la spermatogenese de 
Ophryoirocha puerilis Clprd.-Mecz. ; De- 
horne, 90. 
La valour des anses pachytenes et le 
mecanisme de la reduction chez Sabel- 
laria spinulosa ; Dehorne, 87. 
La division longitudinale des chro- 
mosomes dans les spermatogonies de 
Sabellaria spinulosa ; Dehcrne, 88. 
Organogenesis. 
Organogenetische Untersuchungen 
uber Cricdrilus lacuum ; Staff, 416. 
Larval Forms. 
Maturite tres precoce d’une larve 
de Spionide (“ Nectosoma ”-stade) ; Vi- 
guier, 445. 
Prionospio : cenni sulle larve : Cerruti, 
62. 
ETHOLOGY. 1819 
Habits, Behaviour. 
Habits and mode of life of Histrio- 
bdella homari : Shearer, 403. 
Further observations on the be- 
haviour of tubicolous Annelids ; Har- 
gitt, 167. 
Chaetopterus variopcdalus, habits ; 
Enders, 104. 
Notoscolex termiiicola Mich., ein ter- 
mitophiler Regenwurm ; Michaelsen, 
289. 
Habits of worms ( Pachydrilus sub- 
terraneus) ; Friend. 115. 
Mud-living Oligochaetes; question 
as to whether they have any effect 
on the fertility of the ooze; Friend, 118, 
& Horwood, 188. 
Luminosity. 
On the occurrence of luminous worms 
(probably Microscolex sp.) in England 
and Ireland ; Friend, 114. 
Plankton. 
In plankton, Monterey Bay, Calif., 
Pelagosphaera, a larval Gephyrean ; 
Heath, 172. 
Commensalism. 
Oligochaete worms commensal with 
Spongilla carteri ; Stephenson, 421. 
Parasitism. 
Oligochaetes as hosts of Monocystid 
Gregarines ; the pathological effects 
of the parasites on the generative 
organs ; Hesse, 178. 
Sexuality. 
Dimorphisme sexuel et partheno- 
genese chez Dinophilus ( conklini ) ; 
Beauchamp, 15. 
Oviposition. 
Observations on the spawning habits 
of the Annelid Hydroides dianthus ; 
Hargitt, 168. 
Egg-laying habits of Amphitrite. 
ornata ; Scott, 490. 
Parental Relations. 
Bemerkungen uber die Brutpflege 
von Hipponoe gandichandi And. & 
M. Edw. ; Augener, 11. 
' VARIATION, PHYLOGENY. 1823 
Hybridization. 
Ueber Ovarialtransplantationen bei 
Regenwiirmern, eine Methode zur Ba- 
stardierung ; Harms, 169 (5 text-figs.). 
Phylogeny, Classification. 
Relationships of Ilistriobdella homari 
to the Archiannelida on the one hand 
and the Rotifera on the other ; Shearer, 
403. 
tjber die Auffassung der Leibeshohle 
von Anneliden ; Thiele, 434. 
Key to the classificatory arrangement 
of the genera and species of the different 
families of Polychaetes occurring around 
the coasts of the English Channel ; 
Elwes, 102. 
