CORTICATA. 
Prot. 19 
Mastigamoeba, n. sp., Clostonema, n. g., Paramonas alata , u. sp. 
(Stokes, A. 0.). 
Trentonia Jlagellata , n. sp., &c. (Stokes, A. C.). 
2. Euglenoidea. 
Euglence sereal rather than aquatic, supported above water of tanks 
(Calcutta) by floating scum (Cunningham, D. D.). 
Euglenacece (Hiibner, E.). 
Buccal apparatus of Euglence and Astasias (Khawkine, W.). 
Trachelomonas crenilatocollis , n. sp. (Maskell, W. M.). 
Laguncula piscatoris, Fisher, is a species of Trachelomonas — T.pisca- 
toris (Stokes, A. C.). 
Cgclanura, n. g. (Stokes, A. C.). 
3. Heteromastigoda. 
Cercobodo lacinicegerens, n.g.& sp., lowest ©f Bodowm<z(Krassilstschik, J.). 
Ileteromita variabilis , &c., n. sp. (Stokes, A. C.). 
4. ISOMASTIGODA. 
Infusoria. Flagellate Protozoa in blood. Genus, Trichomonas ; sub- 
genus, T. sanguinis : elongated, tapering, polymorphic, with spiral or longi- 
tudinal membrane, terminating in a rigid filament, and an anterior 
flagellum. Species : T. cobitis ( Ilcematomonas cobitis , Mitrophanow), in 
mud-fish ; T. carassii (ET. carassii , Mitr.), in carp ; T. lewisi (Herpeto- 
monas lewisi , Kent), in rat and hamster ; T. evansi ( Spirochceta evansi , 
Steel), in horse, mule, camel (pathogenic). (Crookshank, E. M.). 
Isomastigod nomad parasite ( Ilexamitius ) in Eurydes and Ranee 
(Danilewsky, B.). 
Ilaimatococcus butschli , n. sp. 
. Tetramitus variabilis , n. sp. (Stokes, A. C.). 
CIIOANOFLA GELLATA. 
Monosiga limnobia , n. sp., equatorial contractile vacuoles ; Salpingceca 
eury stoma, n. sp., wide mouth and everted edge of lorica ; Desmarella 
irregularis , n. sp., colonies of 50 or more, food ingested at external base 
of collar, on which the currents are reversed (Stokes, A. C.). 
IX. — DINOFLAGELLATA. 
DINIFERA. 
Dinoflagellata , division (Bergh, R. S.). 
Gymnodinium polyphemus, P. : its eye (Pouchet, G.). 
Peridinium , structure (Stokes, A. C.). 
X. — CILIATA. 
Affinities between Ciliata (Canu, E.). 
1. Peritricha. 
Origin and morphology of Vorticellince. Ciliated organ dorsal. 
(Butschli, 0.) 
Vorticellidee : V. plicata , V. anomala, n. spp. Zoothamnium plicatum , 
