27 Verm. 
Subject Index. — Platyhelminthia, Etc. 
1215 
Environmental Effects ; Reaction to 
Stimuli. 
Los facte urs dcs mouvements p6- 
liodiques des Convoluta roscoffensis 
dans leur habitat naturel ; Pi6ron, 345. 
Les facteurs e.g. lumiere, pression de 
l’eaif) des mouvements d’ ascension et 
de descente chez les Convoluta ; Pi6ron, 
344. 
Effects of various physical conditions 
on the development of the miracidium 
of Paragonimus; Garrison and Leynes, 
139. 
Behaviour of Planaria vitta in re- 
sponse to environmental changes (e.g., 
encystment during drought); Sekera, 
406. 
Resistance vitale des oeufs du Tenia 
6chinocoque ; D6v6, 102. 
Fixation du plomb par les Cestodes 
(Taenia et Dipylidium) d’animaux 
saturnins ; Brumpt, 59. — Recherche du 
plomb dans les Cestodes ( Taenia, Dipy - 
lidium) d’animaux saturnins ; Mail- 
lard, 273. 
DEVELOPMENT. 1215 
General. 
The life history of Diplodiscus tem 
poratus Stafford, detailed account of 
the different forms ; Cary, 68. 
Konnen die digenetischen Tremato- 
den sich auf ungeschlechtlichem Wege 
fortpflanzen ? ; Ssinitzin, 429. 
Development of a tetracotyliform 
larva into an adult, sexually-mature 
Holostomum ; Rosseter, 386. 
Regeneration. 
Zui Regeneration der Tricladen ; 
Wilhelmi, 489. 
Doppelbildungen bei Planarien ; 
Steinmann, 435. — La regeneration cbez 
les Planaires ; Steinmann, 436. 
Organisatorische Resultanten.' Stu- 
dien an Doppelplanarien ; Steinmann, 
438. 
Regulatory change of shape in Pla- 
naria dorotocephala ; Child, 73. 
Notes on regeneration in Planaria 
simplicissima and Planaria morgani ; 
Stevens, 446. 
Regeneration des hinteren Endes, 
Cerebratulus spp. ; Davydoff, 96. 
Sur deux modes diffdrents do re- 
generation chez Linens ruber; Oxner, 
327. 
Spermatogenesis, Oogenesis, Ferti- 
lization, etc. 
Zur Kenntniss der Turbellariensper- 
mien (Otomesostoma); Hofsten, 189. 
The prophase in the ovogenesis and 
the spermatogenesis of Planaria lac tea 
(Dendrocoelum lacteum); Arnold, 7. 
Chromosomen (4) in den Geschlechts- 
zellen von Vortex viridis; Lepelkin, 
249. 
Ueber die friihzeitige Besamung der 
Eizellen bei Otomesostoma auditivum; 
Hofsten, 189. 
Eischale, Schalendriise und Dotter- 
zellen der Trematoden ; Goldschmidt, 
153. 
Mitotic cell-division of the sex-cells 
(female) of Taenia; Richards, 371. 
Protandric hermaphroditism in 
Stichostemma eilhardi ; P6rez, 335. 
Embryology. 
Die Entwicklung der Acoelen (Con vo- 
luta spp. osp. roscoffcn8i8 ) ; Bresslau, 
62. 
Embryology of Paravortex cardii , 
n. sp., a new Turbellarian ; Hallez, 172. 
Development of the Temnocephaleae 
(chiefly T. fasciata) ; Haswell, 180. 
Embryology of Diplodiscus tempora- 
tus, with especial reference to the de- 
velopment of the parthenogenetic eggs ; 
Cary, 68. 
Development of the miracidium of 
Paragonimus under various physical 
conditions ; Garrison and Leynes, 139. 
Eggs and developing larvae of Schis- 
tosoma japonicum (7 figs.) ; Peake, 333, 
Hiillmembranenbildung in der Ent- 
wicklung des Bothriocephaleneies ; 
Janicki, 207. 
Embryologie von Prosorochmus vivi* 
parus ; Salenski, 393, 
