GYMNOMYXA. 
Prot. 61 
A. coli, and dysentence Lbsch, distinctions between, Shiga (355) 
p. 352; A. dysenterica [ = A. dysenteries 1 .], life cycle, Goldsmith 
(140) pp. 372-374 ; A. gleiclienii Duj., teleomitosis in, Dangeard 
(78) p. 1127 : this author would divide up the genus Amoeba according 
to the different varieties of nuclear division occurring in it; A. limi- 
cola, fluid nature of protoplasm of, deduced from experiments on the 
animal’s behaviour at the water-surface, B humbler (315) p. 309 ; 
A. proteus, leucin-crystals in, and relation of, to neutral-red, Stolc (385) 
pp. 209-219 ; A. spatula, description and occurrence, Colorado, 
Beardsley (17) p. 49, pi. 11, fig. 1 ; A. tentaculata Grub., occurrence, 
Bay of Sevastopol, Minkevich (266). 
Arcella, chromidial network in, Hertwig (153) p. 6 ; A. vidgaris, 
structure of shell, Averintzev (10), p. 348. 
td. catinus and A. vulgaris, Quaternary, Sweden, time of appearance, 
Lagerheim (184) pp. 519 & 520. 
t Centropyxis acideata , Quaternary, Sweden, time of appearance, Lager¬ 
heim (184) pp. 519 & 520. 
C. arcelloides, n. sp., p. 309, C. delicatida Pen., p. 308, Lake of Geneva, 
described, Penard (289). 
Clathrella n. g., foreli, n. sp., Lake of Geneva, description, Penard (288) 
p. 554. 
Clypeolina marginata Pen., p. 459, described, Penard (289). 
Cochliopodium erinaceum, n. sp., p. 202, described, Penard (289); O. 
bilimbosum , described, Zacharias (432) pp. 22-24, pi. i, figg. 8-10. 
Cory da coronata, n. sp., p. 178, described, Penard (289). 
Cryptodifflugia compressa, n. sp., p. 428, C. sacculus, n. sp., p. 429, descr., 
Penard (289). 
Cucurbitella, n. g., mespiliformis, n. sp., p. 311, described, Penard (289). 
Cyphoderia Icevis , n. sp., described, Penard (289) p. 489 ; C. margaritacea, 
structure of shell, Averintzev (9) p. 348. 
Difflugia acuminata var. umbilicata, n. var., p. 235, T). bidens Pen., p. 264, 
D. binucleata, n. sp., p. 262, D. capreolata Pen., p. 222, D. glans, 
n. sp., p. 246, D. gramen, n. sp., p. 281, D. hydrostatical (?), var. litho- 
phila, n. var., p. 274, D. lithoplites, n. sp., p. 284, D. rnanicata, n. sp., 
p. 226, D. molesta, n. sp., p. 248, D. pristis, n. sp., p. 254, D. pulex 
Pen., p. 229, I), pyriformis, vars. atricolor, bryophila, venusta n. vars., 
pp. 220, 221 & 220 resp., D. varians, n. sp., p. 240, D. viscidula 
Pen., p. 259, described, Penard (289). 
Difflugia acuminata and D. pyriformis, zoochlorellar experiments with, 
Averintzev (8) p. 346 [see ii, b, 2 and n, f, 1]; D. hydrostatica, 
occurrence in Pomeranian lakes and notes on, Voigt (406) p. 80; D. 
planctonica, n. sp., occurrence and diagnosis, Minkevich (265) p. 268; 
D. urceospira var. nova, occurrence and diagnosis, Minkevich (265) 
p. 267. 
t D. constricta, D. olliformis, n. sp., and D. pyriformis, Quaternary, Sweden, 
time of appearance, Lagerheim (184) pp. 519 & 520. 
Frenzelina reniformis Pen., p. 464, described, Penard (289). 
Gloidium horridum, n. sp., p. 30, G. (?) inquinatum, n. sp., p. 32, G. 
mutabile, n. sp., p. 29, described, Penard (289). 
Heleopera cyclostoma, n. sp., p. 390, described, Penard (289). 
ill. rosea, Quaternary, Sweden, time of appearance, Lagerheim (184) 
pp. 519 & 520. 
Hyalodiscus Umax , occurrence in Italian thermal springs; Issel (163). 
Hyalosphcenia lata, zoochlorellar experiments with, Averintzev (8) 
p. 346 [see ii, B, 2 and n, f, 1]. 
t H. papilio, Quaternary, Sweden, time of appearance, Lagerheim (184) 
pp. 519 & 520. 
Lecquereusia epistomium, n. sp., described, Penard (289) p. 331. 
