REPRODUCTION, DEVELOPMENT* LIFE-CYCLE. Prot. 45 
Nuclear division (mitotic) of the vegetative and of the generative 
nuclei of Plasmodiophora, Prowazek (363), 
Nuclear division m Amoeba Umax, described and compared with other 
forms of mitosis, Vahlkampf (492). — Behaviour of the nuclear material, 
chromidial network, etc., during the process of encystment in Arcella ; 
the formation of secondary nuclei, Martini (282). 
Nuclear multiplication in the formation of the isospores and anisospores 
of Thalassicolla, Brandt (39). 
Nuclear changes and multiplication (mitotic) in sporoblast-formation 
in Clepsydrina ; nuclear purification (maturation) of the sporoblasts them- 
selves, prior to conjugation, Schnitzler (416). — Nuclear changes and 
divisions in the formation of sexual elements in Gonospora and Urospora, 
Brasil (43) ; ditto in Monocystis, id. (44). 
Nuclear changes and processes during multiplication and different 
phases in the life-cycle of Trypanosoma lewisi and T. brucii , described, 
Prowazek (362). 
Fragmentation of the meganucleus in Cryptochilum , described, Russo & 
Di Mauro (389). — Behaviour of the meganuclei while uniting, during 
conjugation in Glossatella , Faur^-Fremiet (132). — Nuclear division in 
Didinium , affords perhaps “the earliest indication of a mitotis,” Tron 
(491) . — Nuclear reduction and karyogamy in the conjugation of various 
Infusoria ( Didinium , Dileptus ), Prandtl (358). 
E. Development; Life-Cycle. 
Sporangium and spore-formation in Mycetosporidium n. g., L^ger & 
Hesse (251). 
Possible occurrence of flagellate zoospores (comparable with isogametes 
of Foraminifera) in Stannoma , Schulze (431). 
Cyst-formation and nuclear multiplication in Amoeba blattce , Schubotz 
( 427). — Formation of resting-cysts (hypnocysts) in A. Umax , Vahlkampf 
(492) . — Encystment-process in Arcella described fully, Martini (282). 
Mode of development of the chambered shell in different Lagenidoe 
comparatively studied, Cushman (96). 
Development of the isospores and anisospores in Thalassicolla , Brandt 
(39). 
Growth and development of the trophozoites of Anchorina from early 
stages ; apparent absence of further developmental phases (multiplication) 
in digestive tube of Capitella, Cecconi (76). — “Ccelomic” cysts and sporo- 
zoites [really merozoites produced by schizogony] of Aggregata inaclii 
n. sp., described, Smith (462). — Cyst-, spore- and sporoduct-formation in 
Clepsydrina ; occurrence of micro- and mega-spores, Schnitzler (416). 
Sporulation in Coccidium subepithelialis , Moroff & Fiebiger (302). 
Good photomicrographs of the sporozoites of malarial parasites, Hill & 
Haydon (181), pi. 15. — Effects of different temperatures on the sporogony 
(sporoblast- and sporozoite-formation) of malarial parasites ( Laverania 
malarice and Plasmodium vivax), Jancs6 (193). 
On a gregariniform (crescentic) phase in the malarial parasite, recalling 
a Hsemogregarine, Billet (25). 
Alleged stages of development of a new Mammalian Hsemogregarine 
( H.gerbilli ) in a louse ( Hcematopinus sp.) ; occurrence of cysts with 
zygotes [spores ?], containing sporozoites, which are liberated and become 
active on transferring to blood, Christophers (86). 
Cysts and sporozoites of a Protozoan, probably phases of a Hsemo- 
gregarine parasitic in Testudo , described in ticks ( Uyalomma ) taken from 
that tortoise, Laveran & NIsgre (244). 
Curious morphological forms of Piroplasma bigeminum , in the tick, 
according to Koch (214) ; also forms of Trypanosoma (presumably 
