EXPLANATION OF PLATE Vila. 



ACTINIARIA. 



Fig, i. — Gyrostoma glaucum, sp. nov. 

 A specimen from the main area of the Chilka Lake, x 2. 



Fig 2. — -Metridium schillerianum (Stoliczka). 



Thick vertical section through one half of the column of a specimen with fully 



expanded tentacles (enlarged) ; mounted unstained in Canada balsam. 



The section passes through an intermesenterial chamber. The dark mass in the chamber is a 

 much contorted acontium. 



Figs. 3, 3a, 3b. — Phytocoetes gangeticus, sp.nov. 



3. — Type-specimens of the species preserved in formalin, x 2. 

 3«. — A living specimen attached to the root of a reed and half buried in mud ; the 

 tentacles retracted, x 2. 

 In this figure the cinclides appear as small white spots on the upper part of the column. 



3&. — A young specimen stained with borax-carmine and mounted in Canada 

 balsam, x ca. 5. 



Fig. 4. — Phytocoetes chilkaeus, sp. nov. 

 Type-specimens from the main area of the Chilka Lake, x ca. 2. 



Fig. 5 — Edwardsia tinctrix, sp. nov. 



Transverse section (somewhat oblique) through the lower extremity of the 

 stomodaeum, highly magnified. 



All the figures in this plate are from direct photographs of specimens or preparations. 



Lettering. 



b. = basal disk: c.= fold of body- wall that appears when the tentacles are 

 extruded: sp. = sphincter : st. = lower extremity of stomodaeum. 



