WORMS. ZOOPHYTA. IT. Corallina. 211 



tapering tentacula surrounding the retracUle papil- 

 lary mouth. 



Pall, spicil. Zool. 10. p. 36. ^.tab. 4. /. 9. 



Resembles the last : capsules with muricate tentacula, prodifc- 

 cing eggs at the bafe. 



691. T. campamdata. Tentacula disposed in the form of 

 a crescent: body projecting beyond the sheath: 

 orifices of the sheath annulate: tube simple or palmate. 



Nat. Miscell. t, 354. Adams microfc. t. ti.f. 32. 



In stagnant waters, soft, transparent, inclofed in a bell-shaped 

 case, the plume with about 60 tentacula. 



692. T.flabelliformii. With fascicled parallel tubes dis- 

 posed in separate radiate bundles. 



Adams Linn. Transact. v.f>. 12. t. 2.f. 1204. 



Oji the Conferva rubra, minute : stem cylindrical, a little dilated 

 at the bafe, and becoming fuddenly dilated into a compressed fan- 

 shaped form, from which proceed 8 rays, each compofed of feveral 

 equal very minute cylindrical tubes. 



77. CORALLINA. Coralline. 



693. C. auricularifrformis. Stcmless, spreading like a 

 parasitical fungus, lobed, imbricate. 



Soiuerliy Brit. MisCtllany i. p 119. tab. ^6. 



Found fometimes incrusting other corallines, yellowish or red- 

 dish, in fomewhat circular patches, fmooth on both furfaces, with 

 minute cells in tranfverfe rows. 



694. C. sqnamata. Trichotomous ; the joints of the stem 

 roundly compressed and wedge-shaped, those of the 

 branches flatly compressed, term'mal-ones flattish and 

 sharply 2-edged. 



Ellis Corallines p. 49. tab. 24, n. 4-/. c. C. 

 On the Cornish toast, of a fea-green colour. 



695. C. elongata. Trichotomous; the joints of the siem 

 roundish-wedge-shaped, those of the branches cylin- 

 drical, terminal-ones rather obtuse and some of them 

 capitate. 



EUis Corallines p. 49. tab. 24. n. 3. 



Coral reddish or purplish, very slender, drooping, longer and 

 finaller than C. officinalis. 



696. C. officinalis. Doubly pinnate or trichotomous ; > 

 joints of the stem somewhat wedge-shaped or turbi- 

 nate, .those of the branches round, some of ,tbc 

 terminal-ones capitate. 



Ellis Corallines p. 48. tab. 24. /. a. A. Mat, Misc. t. 158. 



Coral growing in clustered tufts, 2-5 inches long, about the 

 thickness of a large thread, erect, white, greenish, yellowish, or , 

 purple, fometimes a mixture of all the colours. 



697- C. rubens. Dichotomous, riliform, flat-topped the 

 joints of the stem round, those supporting the divisi- 

 ons clavate ; some of the lower-ones 2-horned. 



Ellis Corallines p. 50. tab. 24. n. $./. e. E. 



About 2 inches long, red : terminal-joints notched. 



698. C. cristata. Dichotomous, filiform, in crested tufts, 

 with roundish joints, those supporting the last suUdi* 

 visions elevate. 



