76 Prot. 
XVIII. protozoa. 
[ 1905 ] 
(c) Hypotricha , 
Oocytricha fallax, photographs illustrating morphological changes in in- 
dividuals of different generations, during cyclical changes, Woodruff 
( 507) 3 pis. 
(d) Peritricha: — 
Campanella ( Epistylis ) umbellana , cytological details in briefly described, 
Faur6-Fremiet (128) pp. 215-217. 
Cochlearia n. g. proposed for Opercularia henneguyi, fabrei, gracilis and 
microdiscum , p. 432, FaurjS-Fremiet (139). 
Epistylis anastatica var. spissa n. var., E. diaptomi n. sp., E. umbellina 
n. sp., E . gasterostei , E. daphnice , all briefly diagnosed, p. 431, Faur£- 
Fremiet (139) ; E. Jlavicans , rate of growth in (after attachment of 
young individual), measured, Landacre (226) pp. 327-329, 4 text- 
tigg- 
Olossatella tintinnabulum , behaviour of meganuclei during conjugation, 
Faur^-Fremiet (132) p. 603. 
Lagenophrys vaginicola, occurrence and note, Henderson (176) p. 24, 
fig. 6. 
Opercularia hydrachinidarum n. sp., 0. rouxi n. sp., 0. dytiscidarum 
n. sp., 0 . gammari n. sp., 0. naucoris , 0. nautonectce n. sp., 0. 
corisce n. sp., 0. con fervarum n. sp., all briefly diagnosed, p. 432, 
Faur^Fremiet (139). 
Pyxidium cothurnoides , occurrence and note, Henderson (176) p. 23, 
fig. 4. 
Vorticella microstoma , structural details of meganucleus in, Faur£- 
Fremiet (132) pp. 602 & 603 ; V. m. y transformation into V. hians 
and vice-versa by altering medium of culture, Faur^-Fremiet (133) 
pp. 424-426. 
Vorticellidce , various, intimate structure of the fixative apparatus in, fully 
described ; phylogenetic considerations, Faur^-Fremiet (137) pp. 207- 
226, 13 text-figg. 
Zoothamnium parasita var. major n. var., briefly diagnosed, Faur£- 
Fremiet (139) p. 431. 
2. SUCTORIA (TENTACULIFERA). 
Vacant. 
Addendum : Protozoa 1904. 
(Ciliata: Holotrieha.) 
Frontonia cyprcea n. sp., occurrence and diagnosis, Zaoharias (368) 
p. 195, 1 text-fig. 
