NoTAMiA. Z. ASCIDIOIDA. 268 



bushy, dichotomously divided, the branches inclining- inwards ; the 

 joints jet-black ; the internodes narrow at their origin, widened up- 

 wards ; the cells entirely adnate, tubulous, semi-alternate, with round 

 even apertures. This, though in many respects similar to the pre- 

 ceding-, is yet essentially different, and has been well characterized by 

 Dr Fleming-. It is of a denser texture ; the branches, or rather the 

 spaces between the joints, are longer, broader and thicker in the mid- 

 dle ; the cells are more closely connected ; their orifices are not de- 

 tached from the sides, and the joints are black, so that the polypidom 

 appears dotted to the naked eye. 



* * * Cells ternate, with a joint above and below. 

 (Tricellaria.) 

 5. C. ? TERN ATA, " cclls lengthened, rounded at top, with spi- 

 nous processes." Dr David Skene. 



Cellaiia ternata, Ellis and Soland. Zooph. 30 — Seitularia ternata, Turt. 



Gmel. iv. 687. Stew. Elem. ii. 449. Turt. Br. Faun. 217 Crisia 



ternata, Corall. 61 Tricellaria ternata, Flem. Br. Anim. 240. La 



Tricellaire ternee, Blainv. Actinolog. 438. 

 Hah. From Aberdeen, Skene. Zetland, Fleming. 

 " Height scarcely an inch, dichotomously branched ; the cells en- 

 large gradually in breadth towards the top, which is armed with two 

 or three spines ; when the outermost one is short, the cell external- 

 ly has an angulated appearance ; at the joints the stem is narrow." 

 Dr Fleming. 



27. NoTAMiA,* Fleming. 

 Character. Polypidom plant-like, suhcalcareous, rather soft 

 and flexible ichen dry, much branched dichotomously : cells gemi- 

 nate, exactly opposite, united hack to back with a thick dissepi- 

 ment, a joint above and below each pair.— Polypes ascidian. 



1. N. loriculata, cells subcylindrical and obliquely truncated, 

 the aperture plain. Doody. 



Plate xxxi. Fig. 12, 13. 



Muscus coralloides mollis elatior ramossissimus, Doody in Rail, Syn. 1. 



.34, no. 6 Coat of Mail Coralline, Ellis, Corall. 40. no. 7, pi. xxi.fig. 



h, B Sertularia loriculata, Lin. Syst. 1314. Turt.Gme\. iv. 684. 



Berk. Syn. i. 219. Turt. Br. Faun. 216. Wern. Mem. i. 564. Stew. 



Elem. ii. 447 Cellularia loriculata, Pa//. Elench. 64 Hogg's Stock. 



33 Cellaria loriculata, Ellis and Soland- Zooph. 24- Bosc, Vers, iii. 



133. Lam. Anim. s. Vert. ii. 136. 2deedit. ii. 179. JoAhs^oh in Trans. 



• From " r«T8f, dorsum, and tc«ui(oi', cella," Fleming. 



