424 
Index of Subject* 
PAGE 
Ornithomusca, see Insecta, Diptera, Myiodaria 
Oxyuris, see Vermes, Nematoda 
Parasitism and symbiosis, review of book by Caullery (1922). 
Passeromyia, see Insecta, Diptera, Myiodaria 
Philornis, see Insecta, Diptera, Myiodaria 
Phytomyza, see Insecta, Diptera 
Polymorphus phippsi n. sp., see Vermes, Acanthocephalidae 
Portraits published in this volume 
. Beneden, Pierre Joseph van (1809-1894) XII, faces p. 94 . 
. Cobbold, Thomas Spencer (1828-1886) XX, follows XIX . 
. Dufour, Jean-Marie-L6on (1780-1865) XV, faces p. 176 
. Goodsir, John (1814-1867) XVII, follows X VI .... 
. Leuckart, Rudolph (1822-1898) XIII, follows XII 
. Lewis, Timothy Richards (1841—1886) XIX, follows XVIII 
. Siebold, Carl Theodor Ernst von (1804-1885) XVI, follows XV 
. Sonsino, Prospero (1835-1901) XIV, follows XIII 
. Spallanzani, Lazzaro (1729-1799) XVIII, faces p. 412 
Protocalliphora, see Insecta, Diptera, Myiodaria 
PROTOZOA 
. Balantidium blattarum n. sp. in Blatta americana 
ovatum n. sp. in Blatta americana .... 
. Coccidia, discovery of. 
. Hepatozoon muris in rats, England. 
Entamoeba ,, . 
. Trichomonas ,, . 
. Octomitus ,, . 
Giardia ,, . 
. Chilomastix ,, . 
. Eimeria „ . 
Grahamella ,, . 
. infesting fox. 
Leptospira icterohaemorrhagiae in rats, incidence and transmission 
. Leptotheca ohlmacheri (Gurley) [Myxosporid.] in Rana spp. 
. Nosema apis and bee-disease. 
Pyxinia anobii n. sp. in Anobium (beetle) ..... 
. Pyxinia spp. compared. 
. Trypanosoma lewisi in rats in England. 
equiperdum , biology, in horse. 
PYXINIA, see Protozoa 
220 
Biography on 
99 
99 
99 
99 
99 
99 
99 
99 
99 
99 
99 
99 
99 
99 
99 
99 
93 
417 
174 
176 
94 
413 
175 
95 
409 
15 
. 371 
342 
289, 293 
9Q9 
• —v*- 
. 292 
. 292 - 
. 292 
. 292 
. 292 
. 292 
27 
283, 293 
. 221 
53 
. 299 
305 
284, 293 
. 315 
Quick Professorship, etc., Cambridge (portrait of Founder, pi. IV) .... 98 
Rats, their ecto- and endoparasites in England.282 
see Vermes, Cestoda, Nematoda, Protozoa, Bacteria parasitic in 
Schistosoma, see Vermes, Trematoda 
Siebold, von, see Portraits 
Somateria spp., hosts of Acanthocephalidae, q.v. 
Sonsino, see Portraits 
Spallanzani, see Portraits 
