JOURNAL OF MICROSCOPICAL SCIENCE. 



EXPLANATION OF PLATE XVI, 



Illustrating Dr. Angelo Andres' paper on a New Genus and 

 Species of Zoanthina Malacodermata [Panceria spon- 

 giosa, sp. n.). 



Fig. 1 . — Panceria spongiosa, sp. n., natural size. 



Fig. 2. — Longitudinal section x 2 — t, tentacles ; s, stomach ; b, branchia- 

 like organs ; f, convoluted filaments ; m, anastomosing mesen- 

 teries ; a, (3, y, S, t, Z„ places corresponding to the sections of 

 following figures. 



Fig. 3 — 8. — Transverse sections at points a — ? of foregoing figures. 



Fig. 9. — Portion of section 5 much enlarced — a, cuticle ; b, subcuticle ; <?, 

 ectoderm; d, connective tissue; e, muscular lajer; f, endo- 

 derm. 



Fig. 10.— Cells of ectoderm (610 diam.). 



Fig. 11 — 20. — Various elements of mesoderm (610 diam.). 



