25 Prot. 
Systematic.— C iLiATA. 
0431 
(c) Dinoflagellata. 
Peridinida, from plancton, Flemish 
coast, with t\cw forma ; MRUNiEaMom. 
Mils. Hoy. Hist. Nat. Bruxelles 8 
No. 1 110 pp. pis. xv-xxi. 
Peridinida, Gulf of Lyons, notes on ; 
Pavillard Trav. Stat. Zool. Cette 
Ser. niixte No. 4 1910 70 pp. pis. i-iii. 
Amrjlax diacantha sp. n., p. 74 pi. 
xix figs. 33-30, Belgian coast ; Meunier 
Mem. Mus. Roy. Hist. Nat. 8 No. 1. 
Ceratium reticulatum form hiemalis 
form. nov. ; Pavillard Trav. Stat. 
Zool. Cette No. 4 p. 20 text-fig. 1. 
Clipeodinium gen. n. (Peridinidae) 
medusa sp. n. a remarkable new form, 
morphology and movement ; Pascher 
Biol. Centralbl. 37 p. 420 text-figs. 3 
& 0 . 
Coolia gen. n. {Peridinidae), p. 07, 
monolis p. 68 pi. xix figs. 13-19, sp. n., 
Belgian coast, diagnosed ; Meunier 
M6m. Mus. Roy. Hist. Nat. 8 No. 1. 
Dinophysis intermedia p. 58 pi. iii 
fig. 4, lenticula p. 59, fig. 0, V. homunculvs 
var. n. ventricosa p. 50 text-fig. 15, 
diegensis var. n. caudata p. 57 pi. iii 
fig. 2, • Gulf of Lyons ; Pavillard 
Trav. Stat. Zool. Cette No. 4. 
Exuviaella minima sp. n. ; Pavillard 
T.c. p. 11 pi. i fig. 1. 
Gonyaulax monacantha sp. n. p. 21 
pi. i figs. 7 & 8, varr. n. major and 
7ninor p. 22 ; Pavillard T.c. — G. 
cochlea p. 71 pi. xix figs. 26-32, locula- 
tum p. 73 figs. 37, 38, spp. n., diagnosed ; 
Meunier Mem. Mus. Roy. Hist. nat. 
Bruxelles 8 No. 1. 
Gymnodinium meervalli sp. n., Nether- 
lands, diagnosed ; Redeke Bijd. tot de 
Dierk. 21 p. 128 text-fig. 1,2. 
Oxyioxum elegans sp. n. ; Pavillard 
Trav. Stat. Zool. Cette No. 4 p. 43 
pi. ii fig. 4. 
Peridiniuntcysliferiimp. 31 text-fig. 6, 
mite p. 36, fig. 9, spp. n„ leonis nom. n. 
(for saltans Pav.) p. 32 fig. 6, Gulf of 
Lyons, diagnosed ; Pavillard T.c. — 
P. micrapium p. 31 pi. xvi figs. 37-45, 
defidens p. 44 pi. xx figs. 5-8, nudum 
p. 40 pi. xviii figs. 1-5, fimbriatum p. 47 
fig. 6-10, divaricatum p. 48 pi. xix 
figs. 55-58, yserense p. 49 figs. 50-54, 
tuberosum p. .52 pi. xviii figs. 23-27, 
stagnate p. 63 figs. 28-32, spp. n. coasts 
of Flanders ; , Meunier Mem. Mus. 
Roy. Hist. Nat. 8 No. 1. — P. aciculi- 
ferum var. n. abrondeiuse, Netherlands, 
diagnosed ; Redeke Bijd. Dierk. 21 
p. 132 text-figs. 3 & 4. 
Phalacroma acutum sp. n. ; Pavil- 
iard Trav. Stat. Zool. Cette No. 4 p. 55 
pi. iii fig. 7. 
Properidinium gen. n. p. 54, for 
aspinnm {moyiospinum Paulsen) nobis, 
p. 55 pi. xviii figs. 33-36, avellana 
sp. n. p. 60, figs. 37-41, heterocapsa 
(Stein) nobis p. .58 pi. xix figs. 43-49 ; 
Meunier Mem. Mus. Roy. Hist, nat. 
Bruxelles 8 No. 1. 
Ptyclwdiscus injlalus sp. n., Gulf of 
Lyons, diagnosed ; Pavillard Trav. 
Stat, Zool. Cette No. 4 p. 12 pi. i 
fig. 3. 
(d) Rhynchoflagellata. 
[Vacant.] 
5.-CILIOPHORA (INFUSORIA}, 
(a) Ciliata. 
Anoplophrya sp. ii. indet., from 
Enchytraeid worms, diagnosed ; 
Friend Lane. Nat, 11 p. 92. 
Bursaria, reversibility of morpho- 
genetic processes ; Lund J. exp, Zool. 
Philadelphia 24 1917 pp. 1-32 pis. i-vi, 
Collinella gen. n. {N icollellidae) gondii 
sp. n., described ; Ciiatton & pIrard 
Bull, Soc. Zool. 44 pp. 14-16 text-fig. 2. 
Discophrya gigantea (Stein), notes on 
morphology and division ; Galati- 
Mosella & La Monica Monit. Zool. 
ital. 30 pp. 127-140 pi. iii. 
Folliculina boltoni (S. Kent), mor- 
phology and stages in life-history ; 
Penard J. R. Microsc. Soc. 1919 
pp. 306-319 pis. i & ii. 
Holophrya, species characterized and 
classified, bettgalensis text-fig. 1, annan- 
dalei p. 41 spp. n., diagnosed ; Ghosii 
Rec. Ind. Mus. 16. 
Nicollella gen. n. {N icollellidae fam, 
n.), ctenodactyli sp. n., from intestine 
of gondi, described ; Ciiatton 
P^RARD Bull. Soc. Zool. 44 pp. 10-14 
1 text-fig. 
Nyctotherus ovalis Leidy, division 
described ; Zulu eta Trab. Mus. Nac. 
Cienc. Nat. Ser. Zool. 26 pp. 1-16 6 
text-figs. 
