42 Prot . xvm. protozoa. [1904] 
In Padda oryzivora , blood, Trypanosoma paddce n. sp., Laver an & 
Mesnil (176). 
In Scops bakkamcena (an owl), blood, Halteridium danilewskyi , Castel- 
lani & Willey (63). 
Mammalia*. — In Mus muscidus , intestine, Dicercomonas muns and 
D. intestinalis , Foa (109). 
In white rats, blood, Trypanosoma lewisi , Laveran & Mesnil (175). 
In the rat, intestine, Octomitus intestinalis n. sp., Prowazek (278). 
In a rabbit, blood, a Trypanosome, Petrie (266). 
In man, blood (free and endoglobular), Piroplasma hominis n. sp., Wilson 
& Chowning (360) ; (probably Spermophilus columbianus , in whose blood 
the parasites also occur, is the “ natural ” vertebrate host). 
In buccal cavity of man, in relation with the teeth (caries, cement), 
Entamoeba buccalis n. sp., Prowazek (279). 
IV. SYSTEMATIC. 
[Note. Only new forms, forms whose occurrence is of special interest, 
and forms described and figured are mentioned specifically.] 
A. PROTOZOA IN GENERAL . 
[For lists of Protozoa from various localities, see under Plankton (n. c. 1) 
and Distribution (ill. a.).] 
Protozoa, their role in purifying rivers, Weigelt (354) pp. 507-514, with 
figg. 57-77 illustrative of different forms. 
B. GYMNOMYXA. 
1. MYCETOZOA. 
(a) Protomyxidea : — 
Biomyxa vagans, note on occurrence, Smith (325) p. 48. 
Vampyrella Jlabdlata n. sp., occurrence and description, Cash (60) p. 224, 
pi. xxvi, figg. 5 & 6. 
(b) Mycetozoidea : — 
Allied to Mycetozoidea. 
Chlamydomyxa montana , general account of, Penard (260) pp. 296-334, 
19 text-figg. 
2. RIIIZOPODA. 
(a) Lobosa : — 
Amoeba coli , of so-called tropical dysentery, specific characters described, 
Verdun (350) pp. 184 & 185; A. dumetosa n. sp., p. 392, 6 text-figg., 
A. pulverulenta n. sp., p. 395, 4 text-figg., occurrence and diagnoses, 
Penard (259) ; A. pilosa n. sp., occurrence and description, Cash (60) 
p. 219, pi. xxvi, fig. 8; A. pi'oteus , evidences of a sexual cycle in the 
life-history of, Calkins (57) pp. 1-16, 3 pis., 1 text-fig. ; A. jt?., division, 
especially of the nucleus, described, Averintzev (7) pp. 399 & 400 ; 
A. terricola , discharge of the contractile vacuole in, described, Penard 
( 261) pp. 659-662, 2 text-figg. ; A. viridis } notes on, and nuclear 
infection of, by a Fungal parasite, Gruber (128) pp. 67-76, pi. vii. 
Cochliopodium ambiguum n. sp., p. 405, 4 text-figg., G. spumosum n. sp., 
p. 401, 5 text-figg., occurrence and diagnoses, Penard (259). 
