44 Verm. 
VARIATION, PHYLOGENY. 1623 
■Variation. 
Variabilitat einiger Merkmale von 
i Polyarthra platyptera (Russ.) ; Grese, 
148. — Bildung neuer Formen von Poly- 
'<irthra platyptera (Russ.) ; Grese, 148. 
Variabilitat von Anuraea cochlearis 
am See Glubokoje (Russ.) ; Grese & 
Rumianceff, 149. 
Thylogeny. 
Classification of the Gastrotricha ; 
<Grunspan, 153. 
Classification of theBdelloidRotifera; 
Bryce, 46. 
DISTRIBUTION (GEOGRAPHY). 
1627 
The distribution of the Gastrotricha ; 
*Grunspan, 153. 
Notes on the distribution of Rotifera ; 
Rousselet, 382. 
Europe. 
Sarokgobiot, Sweden, Rotiforan- 
fauna ; Brelim, 41. 
Sagitta in der Ostsee; Levander, 240. 
Rotatorien des Ladoga-Sees und der 
Neva ; Skorikoff, 409. 
Rotatorien im See Glubokoje ; Grese 
«& Rumianceff, 149. 
Bulgaria (environs of Sofia), Rotifera ; 
Ronsuloff, 218. 
Gastrotrichi del lago-stagno di As- 
troni ; Marcolongo, 266. 
Rotiferi del lago-stagno di Astroni ; 
Iroso, 193. 
Verbano (near Milan), Rotifers ; 
de Marchi, 263. 
Biologischo Mitteilungen fiber die 
Berninaseen (Schweiz). I. Das Ver- 
lialten der Rotatorien des Lago della 
‘Crocetta im Jahrescyklus ; Huber, 190. 
Moosbewohnende Rotatorien der 
TJmgebung von Basel mit Berticksich- 
iiigung der fibrigen Schweiz ; Heinis, 
173. 
Africa. 
Nile, Egypt, Rotifera ; Daday, 77. 
Lists of Rotifera from Central 
(African lakes, including a new species 
[1910] 
of No tops from a tributary of Lake 
Tanganyika ; Rousselet, 381. 
America. 
West Indies (Tortugas), Sagitta 
helenae n. sp. and other spp. ; Ritter- 
Zdhony, 370. 
Australia. 
Chaetognatha. (Die Fauna Sfidwest- 
Australiens) ; Ritter- Zdhony, 372. 
Arctic and Antarctic. 
Arctic (Spitzbergen area). Die 
Chatognathen. [In: Fauna Arctica); 
Ritter-Z&hony, 371. 
Antarctic Rotifera (“ Southern Cross” 
and “ Discovery ”) ; Murray, 309. 
Antarctic (Lieut. Shackleton’s exped.). 
Rotifers, with new species ; Murray, 
310. 
SYSTEMATIC. 1631 
(a) Chaetognatha. 
Chaetognatha, Arctic (Spitzbergen 
area) described ; Ritter-Zahony In : 
Fauna Arctica Bd 5 Lfg 1 pp. 249-288 
I Taf. 
Chaetognatha, notes on ; Ritter- 
Zahony m Fauna Sfidwest-Australiens 
Bd 3 Lfg. 5 pp. 123-126. 
Krohnitta gen. n. for Krohnia subtilis ; 
Ritter-Zahony Zool. Jahrb. Suppl. 
II p. 140. 
Sagitta helenae sp. n. Tortugas ; 
Ritter-Zahony T.c. p. 134 pi. x figs. 
1-5. — S. sp., Entwickelung der Eier ; 
Elpatievsky Biol. Ztshr. 1 pp. 333- 
363 3 pis. — S. Schicksale des Keim- 
plasnias, Sperm ato- u. Oogenese ; 
Buchner Festschr. R. Hertwig’a 1 
pp. 233-288 pis. xvii-xxii. 
(b) Gastrotricha. 
Gastrotricha; anatom y, biology, and 
systematic account ; Grunspan Ann. 
biol. lacustre 4 pp. 211-365 61 text- 
figs. 
Anacanthoderma gen. n. ( Anacantho - 
dermidae, fam. n.,) punctatum sp. n., 
Astroni ; Marcolongo Monit. Zool. 
ital. 21 p. 318. 
VI. Vermidea. 
