76 A SYNONYMIC CATALOGUE 
CRISIA EBURNEA (continued)— 
Cellaria eburnea, Solander, Zooph. 24. 
Bosc, Vers, iii. 111. ; 
Lamk, An. s. V. ed. I. ii. 138. 
Lamk. An. s. V. ed. 2. ii. 184. 
Johnston, Trans. N. H. Soc. Newe. ii. 262. 
Cellularia eburnea, Pallas, Elenchus, 75. 
Pallas, Elenchus, ed. Wilckens, 110. 
Bruguiére, Ency. i. 442 et 452. 
Hogg, Nat. Hist. Stock. 35. 
Crista gracilis, Romer, Nord-deutsch. tert. 221. 
Coralline a touffe, couleur a’ tvoire, Ellis, N. H. C. 54. 
Corallina cellifera, Ellis, N. H.C. Eng. ed. 39. 
Ellis Noe Cir, edi 54. 
Tufted Ivory Coralline, Ellis, N. H. C. 39. 
Couch, Corn. Faun. ili. 99. 
Kuifachtig tvoor-koraal, Ellis, bl. 51. No. 6. Plate xxi. a. A. 
Pallas, Plantd. bl. 92. No. 33. 
[jvoor-korallijn, Houttuyn, xvii. bl. 594. No. 39. 
lvoor-korallijn, Benn. en Oliv. xv. 2. bl. 199. No. 29. 
499a. C. EBURNEA, var. ACULEATA, HassaL_; Hks. B. M.P. 421. 
Busk, B. M. C. iii. 4. 
Crista aculeata, Hassall, A. M. N. H. vi. 170. 
Hassall, A. M. N. H. vii. 366. 
Johnston, B. Z. ed. 2. 285. 
Landsb. B. Z. 282. 
Gray, B..M. C. 1..136. 
Crista eburnea, M. Edw. An. Sc. N. 2. ix. 198. 
M. Edw. Sur les Crisies, 6. 
Crista aculeata, Busk, B. A. Rep. 1859. 146. 
Crista eburnea, B. cornuta, Smitt, K. S. B. 1864. 117. 
4996. C. EBURNEA, var. LAXA, BUSK, ‘ Challenger,’ 1. 4. 
499c. C. EBURNEA, var. PRODUCTA, SMITT; Hincks, B.M. P. 421. 
Norman, B. A. Rep. 1868. 309. 
Freese, Bry. Ostsee, 31. 
Crista producta, Busk, B. M. C. iii. Io. 
Smitt, K. S. B. 1864. 116. 
——— Vigelius, ‘Wm. Barents,’ 2. 
— Winther, Bry. Danmark, sep. 3. 
Waters, A. M. N. H. 5. ili. 268. 
‘The position of this form is doubtful. Busk makes it a 
variety of C. cornuta; Norman refers it to cburnea, Smitt places 
) ; Pp 
it between the two.—HINCKS, l. c. 422. 
