ISUBJECT-INDEX.— CHiETOGNA^HA, ROTIFERA. Verm. 33 
Alternating sexual phases in Geonemcrtes, Coe (88). 
Cycle of hosts in life-history of Ichthyonema , Monticelli (293). 
Ova of Ankylostqma developed in a completely liquid medium, AlessAn- 
drini (4). 
Embryology, Development, &c. 
Anatomy and development in terrestrial Nemertean, Bermuda, Coe (86). 
Oogenesis and embryology in Distomum, hepaticum Mongr., Schubman 
(389). 
Development of fin as a basis of classification, Abrio (3). 
CH/ETOGNATHA. 
Chcetognatha , general morphology, Grobben (176). 
Reaction to light, rain, &c., in epiplanktonic Sagitta, Fowler (132). 
Distribution. 
Falkland Islands, Chcetognatka, Fowler ((32). 
Seasonal appearances on Scottish Coasts, Browne (52). 
Sagitta in North Sea, occurring in Wadden, but not in Zuider Zee, 
van Breem (46). 
Vertical distribution of Chcetognatha , Biscay, Fowler (132). 
Deep-sea dredging in Atlantic, Chcetognatha y Richard (372). 
ROTIFERA. 
Distribution. 
Danish Seas, Wesenberg-Lund (445). 
Noordzee, Holland, van Breem (46). 
Iceland lake, Wesenberg-Lund (446); Icelandic lakes, Thingvallavatn 
and Myvatn, Wesenberg-Lund & Ostenfeld v 322). 
St Kilda, Murray (311). 
Norfolk Broads, Freeman (135). 
Tyrolese lakes, with biology, Huber (204a). 
Alpine lakes, Monti (292), p. 87. 
Swiss and Italian lists of Rotifera, Zacharias (453). 
Swiss lake- plankton, Brehm & Zederbauer (47). 
Paraguay, von Daday (97). 
Balkan lakes, Ghorghevygha (143). 
Scottish lakes, Ploesoma hudsoni and P. truncatum in ; note on 
uniformity of plankton organisms, Murray (309). 
Summary of distribution of Conochiloides J natans and bibliogr., Hlava 
(199). , 
Parasitism and Symbiosis. 
NeW Rotifer parasitic in Stylaria lacustris , Hlava (198). 
Two parasitic forms and their adaptations, Beauchamp (14). 
A form of Proales parasitic on Heliozoa, PenArd (327). 
Morphology (Rotifera). 
Post-cerebral organ in some Rotifers ; possibly sensory, de Beauchamp 
(13). ,.r 
Water- vascular system, with notes on some Floscularia, Milne (288). 
Detailed morphology of Conochiloides natans , Hlava (199). 
