HOLOTHURIA. 49 
a. The Minch. J. Gwyn Jeffreys, Esq. 
b-c. Kilbrennan Sound, 50 fms. 3/4/88. John Murray, Esq. 
d-f. 4 miles S.E. Sanda, 30-38 fms. 19/3/88. John Murray, Esq. 
g-k. North of Scalpa, 40-60 fms, John Murray, Esq. 
2. Holothuria tremula. (Plate VI. fig. 4.) 
Holothuria tremula, Gunnerus, Vet.-Akad. Hdlg. xxviii. (1767) p. 119, 
pl. iv. fig. 3; Zann. Syst. Nat. xii. (1767) p. 1090 (partim) ; 
Ascanius § Rathke, Icones, (1805) pl. xliv.; Dib. § Kor. Vet.- 
Akad. Hadlg. 1844 (1846), p. 319, pl. iv. figs. 24-27; Sars, Norg. 
Ech, (1861) p. 118; Selenka, Zeit. f. wiss. Zool. xvii. (1867) p. 340, 
pl. xix. figs. 90-95; Norman, Ann. § Mag. vi. (1880) p. 435; 
Lampert, Seewalzen, (1885) p. 83; Théel, Chall. Rep. Hol. (1886) 
p. 212; Bell, Ann. § Mag. iv. (1889) p. 444; td. J. Mar. Biol. 
Assoc. i. (1890) p. 326. 
Holothuria elegans, O. F’. Miiller, Prod. Zool. Dan. (1776) p. 231; 
td. Zool. Dan, (1788) p. 1, pls. i-iii.; de Bl. Dict. Sct, Nat. xxi. 
(1821) p. 816; Jager, De Hol. (1833) p. 22. 
Holothuria (Thelenota) elegans, Brandt, Prod. descr, An. (1835) 
». 53. 
Fittularia elegans, Lamk. An. s. Vert. iii. (1816) p. 75. 
Body elongated, skin thick, with conical papille on the dorsal 
surface ; more or less extensive rosy patches which, after immersion 
in spirit, gradually become dark. The mouth surrounded by two 
circlets of papille. The ventral podia somewhat variable in size 
and number. The tables (PI. VI. fig. 4) have delicate disks with four 
large central and a varying number of smaller peripheral angulated 
holes; the margin with a number of angular projections. A number 
of simple or branched rods present near the podia. 
Distribution. Eastern side of North Atlantic from Bay of Biscay 
to Norway. 45-672 fms. 
a, 6. 45 miles off Blackrock, 500 fms, Royal Dublin Society. 
ce. 50 miles W. 5S. of Dursley Head, 325 fms. R. Irish Academy. 
d,e. 49° to 50° N., 9° to 11° W., 70-400 fms. G. C. Bourne, Esq. 
J, 9g. Ross of Mull, 45-60 fms. John Murray, Esq. 
3. Holothuria nigra. (Plate VI. fig. 5 & Plate VIII. fig. 5.) 
Holothuria nigra, auct. 
The Nigger or Cottonspinner, Peach, Ann. § Mag. N. H. xv. (1845) 
p- 171, pl. xiv. 
Cucumaria niger, Ainahan, Nat. Hist. Rev. vi. (1859) p. 369. 
Holothuria niger, Foot, op. cit. vii. (1860) p. 394. 
Holothuria nigra, Bell, P. Z. S. 1884, pp. 872 & 563; id. Nature, 
xxx, (1884) pp. 146 & 335; Lampert, Seewalzen, (1885) é; 92; 
Tregelles, Trans, Penzance Nat. Hist. Soc. ii. (1886) p, 204; id. 
tom. cit. (1888) p. 876; Macmunn, J. Mar. Biol. Assoc. i. (n. s.) 
(1889) p. 57; Minchin, Ann. §& Mag. N. H. x. (1892) p. 278. 
? Forbsia *, Couch, Cornish Fauna, ii. (1841) p. 73. 
* Not Psolus forbest as Peach cites it. 
