of Edinburgh , Session 1880-81. 
81 
Boltenia legumen , Lesson.* 
Station 312 (Straits of Magellan), 10 to 15 fathoms, one speci- 
men. 
Station 315 (East of Falkland Islands), 5 to 10 fathoms, eight 
specimens. 
Station 316 (East of Falkland Islands), 4 to 5 fathoms, one 
specimen. 
Boltenia pacliydermatina , n. sp. 
External appearance. — Shape of body ovate to fusiform, com- 
pressed laterally; posterior (upper) end bluntly pointed, anterior 
end narrow, becoming gradually continuous with the stalk ; dorsal 
edge more convex than ventral. Stalk long, thick, twisted, and 
creased, rather tapering downwards towards the point of attachment. 
Apertures conspicuous but not prominent, not distant, placed at 
the points of junction of the middle with respectively the anterior 
and posterior thirds of the body. Surface of body smooth but 
deeply grooved longitudinally, stalk closely wrinkled transversely. 
Colour of the body dull creamy-white, of the stalk yellowish- brown. 
Length of body, 10 cm. ; breadth, 5 cm. ; length of stalk about 
20 cm. 
Test very thick and stiff, between cartilaginous and coriaceous, 
tough ; white and glistening on the inner surface. 
Mantle thin but muscular, slightly adhering to the test. 
Branchial sac with about six folds on each side. Internal longi- 
tudinal bars numerous, about eight on the folds and six in the 
interspace. Meshes transversely elongated, containing each about 
nine stigmata, always divided horizontally by a narrow bar. 
Tentacles compound, densely branched, sixteen in number, placed 
large and small alternately. One tentacle much larger than any of 
the others. 
Olfactory tubercle large, circular, the surface marked with a close 
and elaborate pattern. 
One large and one small specimen from Canterbury, JSTew 
Zealand. 
* Centime Zoologique, p, 149, pi. liii. fig. 1, 1830. 
