318 BULLETIN: MUSEUM OF COMPARATIVE ZOÓLOGY. 
base a specific description upon. It resembles Stilifer (Mucronalia) thomasiae 
Sowerby, of the West Indies, and is fixed to one of the arms of the erinoid. If 
the species is hereafter recovered it might appropriately take the specific name of 
bathymetrae. 
Janthinidae, 
JANTEHINA (Botren) LAMARCK. 
Janthina, Bolten (first section) Mus. Boltenianum, 1798, p. 75; type, Helix Janthina 
Linné; Lamarck, Prodrome, 1799, p. 75, same type. 
lanthina Jeffreys, 1867, p. 174. 
The second section of Bolten's genus was composed of helices. Lamarck, the 
following year, adopted Bolten's genus with its first species as type, aud this 
arrangement is universally accepted. 
" 
Janthina pallida Harvey. 
Janthina pallida Harvey, in Thompson's Annals of Nat. Hist., 1817, 5, p. 96, pl. 2, 
fig. 2; Thorpe, Brit. Marine Conch., 1844, p. 152. 
U. S. S. “Albatross,” station 3381, East of Malpelo Island, Gulf of Panama. 
U. S. N. Mus. 123,024. 
This species of worldwide distribution was described from specimens cast up 
on the shores of Ireland, aud has even been reported from the Straits of 
Magellan. 
Taenioglosga. 
Septidae, 
DISTORSIO Borren. 
Distorsio Bolten (first section) Mus. Boltenianum, 1799, p. 193; first species, Murex 
anus Gmelin. 
Distortriz Link, Besch, Rostock Samml., 1807, p. 122. 
In 1889, discussing the synonymy of this genus, I stated that the name given 
by Bolten was a “ pure catalogue name,” having neither description or figure, and 
for that reason did not adopt it. But Bolten gives references to Gmelin's 
description and the figures of Martini and. Knorr, and names thus validated, by 
the general consent of naturalists and the development of the international code 
of rules for biological nomenclature, have come to be considered admissible, and I 
therefore have been obliged to modify my views based upon the original code of 
1842. 
