70 Prot. 
XVIII. PROTOZOA. 
described, Mjnkevich (266 & 267) ; E. charon , p. 455, fig. 52, E. harpa , 
p. 455, fig. 53, Woods Hole, diagnosed, Calkins (47); E. charon and 
E. harpa , experiments on transferring from salt to fresh water, 
Enriques (99). 
Gastrostyla sterkii n. sp., described, Wallengren (401) pp. 21-26, pi. i, 
fig g- 13-16. 
Holosticha decolor n. sp., pp. 16-19, pi. i, figg. 11 & 12, //. rubra Ehrbg., 
pp. 8-16, pi. i, figg. 5-10, described, Wallengren (401). 
Peritromus emmce , Woods Hole, diagnosed, Calkins (47) p. 452, fig. 49. 
Stylonychia mytilus , nuclear structure in, Kunstler & Gineste (191) 
pp. clxxii & clxxiii, text-figg. 1 & 2; S. m., degenerative hyperre- 
generation in, Prowazek (305) pp. 60-63, 4 text-figg; S. pustulata , 
variability in, Entz (105) fig. 1 ; S. sp., action of magnetic field on, 
Ch^neveau & Bohn (60) pp. 800 & 801. 
Vronychia setigera n. sp., Woods Hole, diagnosed, Calkins (47) p. 457, 
ng. 55; U. transfuga , described, Wallengren (401) pp. 36-46, pi. ii, 
figg. 7-9. 
(d) Peritricha : — 
Carchesium brevistylum , Patagonia, noted, Entz (102) pp. 445 & 446, fig. 2- 
Cothurnia crystallina , p. 462, fig. 62. G. imberbis , p. 462, fig. 63, G. nodosaj 
p. 463, fig. 64, Woods Hole, diagnosed, Calkins (47) ; G. crystallina , 
variability in, Entz (105) figg. 9 & 10; from Patagonia, noted, Entz 
( 102) p. 449, fig. 5. 
Gothurniopsis imberbis , Asia Minor, note on, Daday (72) p. 143, pi. i, fig. 3. 
Epistylis articulata , Patagonia, noted, Entz (102) pp. 446 & 447, fig. 3; 
E. branchiophila , variability in, Entz (105) fig. 2; E. brevipes , 
Patagonia, remarks on, Entz (102) p. 448, fig. 4. 
Hastatella radians , variability in, Entz (105) figg. '4 & 5. 
Lagenophrys vaginicola, variability in, Entz (105) fig. 8. 
Licnophora auerbachii } pi. i, fig. 2, pi. iii, figg. 21 & 24-29, pis. iv & v, L. 
conklini , pi. ii, pi. iii, figg. 22 & 23, L. macfarlandi ', pi. i, figg. 1 & 4, 
pi. iii, figg. 16-20, described, Stevens (371) pp. 2-31 ; L. macfarlandi , 
Woods Hole, diagnosed, Calkins (47) p. 459, fig. 58. 
Rhabdostyla congregata n. sp., Klinker pond, Plon, diagnosed, Zacharias 
(419). 
Trichodina sp., occurrence in urinary bladder of Perea , Voigt (395) p. 96. 
Vorticella marina , p. 461, fig. 60, V patellina , p. 461, fig. 59, Woods Hole, 
diagnosed, Calkins (47); V. microstoma , cytological details in, 
Prowazek (302) pp. 208-210, pi. vi, figg. 61-69; V. sinuata n. sp., 
East Holstein, diagnosed, Zacharias (421) p. 239, pi. ii, fig. 11; 
V. sp., nature of the contractile stalk in, Br Andes (34) pp. 459 Sc 460, 
and Strehl (373) p. 189. 
Vorticellids, action of magnetic field on, Ch^neveau & Bohn (60) 
pp. 800 & 801. 
Zoothamnium arbuscula, variability in, Entz (105) fig. 3; Z. elegans , 
p. 461, fig. 61, Woods Hole, diagnosed, Calkins (47); Z. geniculatum 
n. sp., description and occurrence, Ayrton (10) pp. 407-410, pi. xxi; 
Z. sp., attempts to transfer from salt- to fresh water, Enriques (99). 
2. SUCTORIA (TENTACULIFERA). 
Acineta divisa , p. 465, fig. 67, A. tuberosa, p. 465, fig. 68, Woods Hole, 
diagnosed, Calkins (47); A. tripharetrata n. sp., from Patagonia, 
described, Entz (102) pp. 449-462, pi. i and pi. ii, figg. 1-4, text- 
figg. 6. 
Ephelota coronata } Woods Hole, diagnosed,. Calkins (47) p. 464, fig. 66. 
