20 Verm. 
VI. Vermidea. 
[1918] 
Monohystera frequens sp. n., Astroni, 
diagnosed ; Onorato-de Cillis T.c. 
p. 59. — M. bolhrioldima sp. n., W. Africa, 
diagnosed; Steiner Hamburg (Frie- 
derichsen) Lfg. 4 p. 387 text-figs. 3-5. 
Onchocerca bovis, note on anatomy ; 
Joan Rev. Soc. Arg. Ci. Nat. 3 pp. 446- 
448. 
Rhabdochona Railliet cascadilla sp. n., 
from Semotilus atromaculatus and 
Notropis cayuga diagnosed ; Wigdor J. 
Parasitol. 5 p. 29 text-fig. 1. 
Strongyloides westeri sp. n. from 
horses, described ; Ihle Centralb. Bakt. 
Abth. 1 80 Orig. pp. 372 & 373. Vide 
also Wester T.c. pp. 370-372. 
Trichocephalus ajffinis, from Camelus 
bactrianus, note on morphology, 
Parodi & Widakowich, Rev. Jardin 
Zool. II 13 pp. 215-221 6 text-figs. 
Trilobus medins Finland sp. n., 
Schneider Acta Soc. Fauna et FJ. Fenn. 
44 No. 5 p. 70. 
Tripyla gracilis sp. n. Astroni. 
Onorato-de Cillis Monit. Zool. Ital, 
28 p. 60. 
Tropidocerca fissipina, sexual dimor- 
phism, note on; Seurat C.R. Soc. 
Biol. 81 pp. 1100 & 1101 3 text-figs. 
(h) Nematomorpha. 
Chordodes madagascariensis (Camer- 
ano) note on ; Beauchamp Bull. Soc. 
Zool. 43 p. 16 text-fig. 2. 
Qordiidae, classification, diagnoses of 
constituent genera and species, Camer- 
ano Mem. Acc. Sci. Torino Ser. 2 66 
No. 1. 
Oordius californicus sp. n. , Camerano 
T.c. p. 59. 
(«) Acanthocephala. 
Cenlrorhynchus pinguis sp. n., from 
magpie, China, described; Vanoleave 
J. Parasitol. 4 pp. 164-167 pi. iii. 
Echinorhynchus gaboes sp. n., from a 
Siluroid fish (unspec.), diagnosed; 
MacCallum Zoopatholog. 1 No. 5 
p. 132 fig. 68. 
Rhadinorhynchinae , note on sub- 
family ; Vancleave J. Parasitol. 5 p. 18. 
Rhadinorhynchus ornatus p. 19 pi. iii 
fig. A, tenuicornis p. 20 pi. iii figs. 
B & 1-4, spp. n., diagnosed ; Vancleave 
T.c. 
CHAET0GNATHA, GASTR0- 
TRICHA, R0TIFERA. 
SUBJECT INDEX. 
COMPREHENSIVE AND GENERAL. 
1603 
[Vacant.] 
STRUCTURE. 1607 
General. 
Rotifera. 
Colledge, 26 ; Olofsson, 135. 
Sexual Organs. 
Whitney, 197. 
Cytology. 
Shull, 164. 
PHYSIOLOGY. 1611 
Environmental Effects. 
Shull, 163. 
DEVELOPMENT. 1615 
Life History. 
Olofsson, 135. 
Regeneration. 
Kulmatycki, 93. 
ETHOLOGY. 1619 
Plankton. 
Baldasseroni, 5 ; Olofsson, 135. 
VARIATION, PHYLOGENY. 1623 
Heredity. 
Shull, 163. 
Variation. 
Olofsson, 135. 
