[1921] 
VI. Vermes. 
Vermes. 7 
115. — Kraatz, W. C. A preliminary 
general survey of the macrofauna of 
Mirror Lake on the Ohio State Uni- 
versity Campus. Ohio Journ. Sci. 
Columbus 21 1921 pp. 137-182 pis. 
i & ii. 
116. — Erekel, A. Die Leuchtorgane 
von Chaetopterus variopedatus Clap. 
Zs. wiss. Zool. Leipzig 118 1920 pp. 480- 
609 pis. ix-xi. 
117. — Labb6, A. Sur des feconda. 
tions heterogfenes. C. R. Acad, sci- 
Paris 173 1921 pp. 942-945. 
118. — Lankester, E. R. Earth- 
worms drowned in puddles. Nature 
London 107 1921 pp. 329 & 330. 
119. — Lankester, E. R. Earthworms, 
mud- worms and water- worms. Nature 
London 107 1921 p. 424. 
120. — Lane, C. Some bursate 
Nematodes from Indian and African 
elephants. Ind. J. Med. Res. Calcutta 
9 1921 pp. 163-172 pis. xi-xvi. 
121. — Leger, M. Presence dans les 
matures fecales, k la Guyane, d’oeufs 
de Nematodes indetermin6s. Bull, 
soc. path. exot. Paris 14 1921 pp. 155- 
159. 
122. — Leger, M. A propos de 
Necator americanus Stiles, 1902. Bull, 
soc. path. exot. Paris 14 1921 pp. 169- 
161. 
123. — Leger, M. Microfilaire sanguine 
du boeuf b la Guyane fran9aise. 
C. R. soc. Biol. Paris 84 1921 pp. 419 & 
420. 
124. — Leger, M. Anguillulose 
intestinale des singes it la Guyane 
fran9aise. C. R. soc. biol. Paris 84 1921 
pp. 555-558. 
125. — Lewis-Abbott, W. J. Why do 
worms die ? Nature London 107 1921 
pp. 490 & 491. 
126. — Lindner, E. Die Bedeutung 
des Gysticercus- Schwanzes. Biol. 
Centralbl. Leipzig 41 1921 pp. 36-41. 
127. — Linton, E. Rhynchobothrium 
ingens spec, nov., a parasite of the 
dusky shark ( Garcharhinus obscurus). 
J. Parasitol. Urbana 8 1921 pp. 22-32 
pis. iv & v. 
128. — Lipps, W. Experimented 
Untersuchungen iiber den Fort- 
flanzungswechsel bei Stylaria lacustris. 
Biol. Centralbl. Leipzig 40 1920 pp. 
289-316. 
129. — Lopez-Neyra, C. R. Notas 
helmintologicas (3a serie). Bol. Soc. 
Espan. hist. nat. Madrid 20 1920 
pp. 75-90. 
130. — Lopez-Neyra, C. R. and Medina, 
J. M. Dipylidium quinquecoronatum 
nov. sp., parasito intestinal del gato 
domestico. Bol. soc. espan. hist. nat. 
Madrid 21 1921 pp. 421-426 pi. xxvi. 
131. — Lund, E. J. Oxygen- 
concentration as a limiting factor 
in the respiratory metabolism of 
Planaria agilis. Biol. Bull. Wood’s 
Hole 41 1921 pp. 203-220. 
132. — Lutz, A. Zur Kenntniss des 
Entwickelungszykius der Holostomiden 
(Vorl. Mitth.). Centralbl. Bakt. Jena 
Abth. 1 86 Orig. 1921 pp. 12L-129. 
133. — Lutz, A. Observa9oes sobre 
0 genero Urogonimus e uma nova 
forma de Leucochloridium em novo 
hospedador. Mem. Inst. Oswaldo Cruz 
Rio de Janeiro 13 1921 pp. 136-140 
(translations pp. 83-87) pis. lvii & 
lviii. 
134. — MacArthur, J. W. Gradients 
of vital staining and susceptibility in 
Planaria and other forms. Amer. J. 
Physiol. Baltimore 57 1921 pp. 350-386 
10 figs. 
135. — MacCallum, J. A. Studies in 
Helminthology. Zoopathologica New 
York 1 1921 pp. 137-284. 
136. — Magath, T. B. Leucochlori- 
dium in America. Science New York 
N.S. 53 1921 pp. 42 & 43. 
137. — Man, J. G. de. Nouvelles 
recherches sur les Nematodes fibres 
terricoles. Capita Zool. ’s Gravenhage 
1 1921 pp. 1-62 pis. i-xiv. 
138. — Maplestone, P. A. Notes on 
Australian Cestodes. Parts I and II. 
Ann. trop. Med. Parasitol. Liverpool 
15 1921 pp. 403-412. 
Maplestone, P. A. vide Southwell, T. 
139. — Matthai, J. Preliminary 
observations on cocoon-formation by 
the common Lahore leech, Limnatis 
( Poecilobdella ) granulosa (Sav.) J. 
Proc. Asiatic Soc. Bengal Calcutta 16 
1920 (1921) pp. 341-346 pi. xvii. 
