41 Mott . 
Subject Index. 
Epistetha a new genua of Gastropod, 
parasitic on Gonodactylus chiragra ; 
Preston, 493. 
Doux Mollusques parasites do Mollus- 
quos ; Pelseneer, 456. 
Gercaria blanchardi sp. n. parasitic 
in Planorbis bahiensis, Dunk. ; Piraj& 
da Silva, 477. 
Endogenous reproduction in larvae 
of T. unioni factor, a parasite of the 
pearl oyster; Southwell, 573. 
Coylon pearl inducing worm ; South- 
well, 580. 
Determination of adult of pearl- 
inducing worm; Southwell, 576. 
Rotifer parasitic in the eggs of 
Limncea auricularia, L. ; Stevens, 604. 
Descriptions of new species of certain 
parasites of Pinna and Mytilus from 
Ceylon. Ceylon Marino Biol. Rcpts. 
5 1911 pp. 226-227. 
Enemies, etc. 
Relation of certain predatory fish 
to Margaritifera vulgaris on Ceylon 
Pearl Banks ; Southwell, 577. 
Helix cantiana, Mont., eaten by 
birds. J. Conch. Leeds 13 pp. 323 & 
359. 
Physa gyrina , plovers feeding on ; 
Hinkley, 271. 
Economics. 
Pearl bearing Margaritana mar- 
garitifera, Lin. in Maine ; Allen, 6. 
Molluschi commestibili (spccialm. 
Ostrea), veleni batterici claborati c 
trattenuti nel loro interno ; Band!, 24. 
Protection of fresh water mussel 
beds ; Barret, 26. 
Schonzeit fiir Modiolus ; Bjerkan, 
43. 
Stabulation des huitres dans l’eau 
do mer artificiollo filtree ; Bodin, 46. 
Nouvolles oxpdrionccs sur l’6puration 
bacteriologique des huitres en eau 
filtree; Fabre-Domergue, 174. 
Certain W. African spp. used as 
food and in commerce ; Gruvel, 225. 
Helix hortensis und nemoralis als 
Kunstmaderinnen ; Gieseking, 211. 
2210 
Epuration bact6ricnno des huitres 
par la stabulation en eau do mer 
artificielle filtree; Fabre-Domergue, 
173. 
Food of Oyster ; Hoek, 274. 
A pearl from Nautilus pompilius ; 
Jameson, 300. 
Structure of shell and pearls of 
Margaritifera vulgaris , Schm. ; Jame- 
son, 301. 
Sewage contamination of mussel 
bods in Wyro Estuary ; Johnstone, 805. 
Molluschi cultura in laghi di Ganzirri 
e del Faro (Messina) ; Lo-Giudice, 380. 
Oyster culture experiments and 
investigations in Louisiana ; Moore, 
413. 
Industria delle lumache {Helix ) ; 
Mingioli, 409. 
Mitilicultura o Ostreicultura nol Mare 
piccolo di Taranto, provvedimenti in 
favoro; Mazzarelli, 402. 
t)bor den Schiffsbohrwurm und sein 
Vorkommen in Fischerfahrzeugen ; 
Redeke, 501. 
Zur Perlbildung bei Anodonta cyg- 
naea L. ; Schermer, 528. 
Placuna placenta in Philippine Isds. ; 
Seale, 543. 
Endogenous reproduction in larvee of 
T. unioni factor, a parasite of the pearl 
oyster ; Southwell, 673. 
Ceylon pearl banks, nautical notes 
oq ; Kerkham, 323 : Effects of currents 
on ; Southwell & Kerkham, 581 : 
Physical and biological conditions of ; 
Southwell, 578 : Cultching, trans- 
planting, trawling and dredging ; 
Southwell, 574 : Fauna of Paars, with 
notes on nature of sea bottom ; South- 
well, 579. 
Ceylon pearl inducing worm ; South- 
well/580. 
Relation of certain predatory fish 
to M argaritifera vulgaris on Ceylon 
Pearl Banks ; Southwell, 577. 
Determination of adult of pearl - 
inducing worm ; Southwell, 576. 
Margaritifera and Aviculoidca, notes 
on ; Southwell, 575. 
Choking of water mains by fresh- 
water mussels. Lancs. Nat. 5 pp. 98- 
99. 
