358 
DR JAMES COSMO MELVILL AND MR ROBERT STANDEN ON THE 
dredged either from the same or neighbouring localities, but none in a condition to 
examine seriously. 
Sub-order PTEROPODA. 
Section Thecosomata, de Blainville. 
Cavolina tridentata: (Forskal). 
1773. Anomia tridentata, Forskal, Descriptiones animalium que in itinere orientali observavit, 
p. 124. 
1791. Cavolinia natans, Abildgaard, ‘“‘Nyere Efterretning om det Skaldyr som Forskal har 
beskrevet under Navnet Anomia tridentata,” Skriv. naturhist. Selsk., Bd. i., Heft 2, 
pl. x. 
1801. Hyalza cornea, Lamarck, Syst?me des animaux sans vertébres, p. 140. 
1804. Hyalza papilionacea, Bary de St Vincent, Voyage dans les quatre principales iles des 
mers d’ Afrique, t. i. p. 137, pl. v. fig. 1. 
1810. Hyale teniobranche, Péron et Lesueur, ‘Histoire de la famille des Mollusques 
Ptéropodes,” Ann. Mus. Hist. Nat. Paris, t. xv., pl. ii. fig. 13. 
1813. Hyalza peroni, Lesueur, ‘“‘Mémoire sur quelques animaux mollusques, etc.,” Nouv. 
Bull. Soc, Philom., t. iii. p. 284. 
1813. Hyalxa chemnitziana, Lesueur, ibid., p. 284. 
1816. Hyalza australis, Péron, Voyage de découvertes aux terres australes, t. 1, pl. xxxi. fig. 5 
(sine descriptione). 
1821. Hyalza forskahlii, Lesueur, MS., in de Blainville, ‘‘ Hyale,” Dict. d. Sci. Nat., t. xxii. 
p. 79. ; 
1836. Hyalzxa affinis, VOrbigny, Voyage dans Amérique méridionale, t. v. p. 91, pl. v. 
figs. 6-10. 
1848. Hyalea truncata, Krauss, Siid-africanische Mollusken, p. 34, pl. ii. fig. 12 (non 
Lesueur). 
1859. Cavolinia telemus, A, Adams, “On the Synonyms and Habits of Cavolinia, Diacria, and 
Pleuropus,” Ann. and Mag. Nat. Hist., ser. 3, t. iii. p. 44. 
1877. Hyalza cumingit, Sowerby, in Reeve, Conchologia iconica, t. xx., Pteropoda, fig. 5. 
Hab.—Lat, 39° 58’ S., long. 8° 36’ W., tow-net, surface, temp. 55°°2. 
Many living specimens, large and fine. Between Stations 470 and 471. 
Class SCAPHOPODA. 
Dentalium eupatrides, M. and St. 
Dentalium eupatrides, Melvill and Standen, Trans. Roy. Soc. Edin., vol. xlvi., part i, p. 142, 
pl. fig. 12 (1907). 
Hab.—The original locality of this fine smooth abyssal species was accidentally 
omitted in our first paper. It occurred, with the other species chronicled, 
D. megathyris, Dall, in lat. 71° 22’ S, long. 16° 34’ W., at 1410 fathoms, 
Station 
417. Many fragmentary portions of probably the same shells have been 
dredged up from Station 420, at 2620 fathoms. 
