248 Mr. H. J. Carter oh the Organization of Infusoria. 



sicula in plurality ; (c) podal prolongations with greenish elon- 

 gate " gnuiules ;" (rf) tricuspid form of opening of test; (p) lili- 

 ft)rin attachments of aiiimal to the test. Animal 1 -320th of an 

 inch long. 



Fig. 81. Ai/xehd qiiaihilineufa, II. J. C, showing two lateral vesicula: (a, a) 

 about to discharge theroselycs independently of the large, appa- 

 rently normal one {h). Animal about l-.'<50tli of an inch in length. 



Viffs. 82, K'l (Jhilodon cucuUulus, Ehr., two individuals to show linear con- 

 tinuation of circular sinuses in one (82), and the vesicula in its 

 nornuil position: (o) nucleus; (6) dental aj)i)aratus ; (c) vesi- 

 cula ; {d) lines of sinuses. 83. To show a])parent absence of 

 vesicula and irregular distribution of contracting sinuses. Animal : 

 largest size seen l-.32()th of an inch in length. 



Fig. 84. Spirostoma virens(l), Ehr. Posterior extremity to show dropsical 

 state of proximal sinuses and vesicula ; the former thus presenting 

 the appearance of an areolar structure round the latter. 



Fig. 85. Bursuria leucas (?), Ehr. : (o) nucleus ; (6) vesicula smTOunded 

 by six globular sinuses. 



Fig. 86. Himantophorus Charon, Ehr. ; vesicula of, surrounded by dilated 

 proximal sinuses. 



Fig. 87- Euglena spirogyra, Ehr., showing (a) posterior glair-cell with its 

 broad sni-face upwards, and cylindrical nucleus ; (a') anterior 

 glair-cell with its margin u])wards ; {b) " nucleus." Animal about 

 l-l.'j3rd of an inch in length. 



Fig. 88. Phacus pleuronectes, Duj. : (a) glair-cell and its nucleus; (6) sup- 

 posed position of " nucleus." Animal 1 -500th of an inch long. 



Fig. 89. Naviculafulva, Ehr., showing the form of its endochrome or 

 organ bearing this colour : («, a) glair-cells ; (i) nucleus sus- 

 pended by threads to the endochrome, like those of Spirogyra. 

 Frustule l-183rd of an inch long. 



Fig. 90. Amphiphora oblonga, 11. J. C. (n. sp.?), primary surface showing 

 form of endochrome after division : (a, a) glair-cells ; (a') one 

 more magnified. Largest specimen seen l-75th of an inch in length. 



Fig. 91. Ditto, lateral view ; the margin is of course angular. 



F\g. 92. Spherical cells or " bihary organisms:" («) one from Otostoma, 

 U.J. C, containing five or more cellula; filled with a bile-coloured 

 fluid ; (a') one from a binocular Planaria, showing {b) oil-glo- 

 bule, fc) bile-cellulic, {d) lash of cilia ; (e) another cell from the 

 same Planaria, containing four daughter-cells, each of which is 

 provided with a single bile-cellule; (/) ditto with a single 

 large bile-cellule in the centre, and several small oil-globules; 

 (g) s])herical cell from Brachionus Palu, Ehr., presenting one 

 large bile-cell filled with granules, also a la.sh of cilia; this bile- 

 cell has much the ap|)earancc of a granulating nucleus. 



Fign. 9.'i-98. Rhizopodous cell inhabiting the protoplasm of the Characea;, 

 under different phases to show the early stages of the develop- 

 ment of the monads. 93. The cell with single nucleus as it exists 

 in the living protoplasm : («) pellicula and diaphane ; {b) nucleus 

 in the cajjsule; (c) sarcode containing moleeulaj and greenish 

 " granules." 



Fig. 94. Ditto after having taken in food (the green cellules of the inter- 

 node at its death), which is represented by the dark shade: 

 (a) old pellicula or external cell ; («') secondary pellicular layer 

 or internal cell ; (b) food in the midst of the sarcode, which, with 

 the diaj)hane, now perishes ; (c) development of ])lasmic (?) zone 

 round the capsule of the nucleus now become globular; (d) nu- 



