DORIDID. 125 
sprinkled with numerous minute, almost microscopic, white dots; mantle 
smooth, not nearly so long as the foot, and not concealing the branchia ; 
oral veil broad, semicircular in front, and with a delicate fringed margin, 
produced at each side into a short tentacle like lobe ; buccal plates two, 
large, finely and regularly reticulated ; dorsal tentacles wide apart, short 
and stout, projecting outward, folded down the outer side ; tips obliquely 
truncate ; eyes minute, black, at the inner bases of the tentacles, quite 
internal and not to be seen, without dissection ; foot long, extremely 
flexible ; sole pale ashy grey. Shell none (Cheeseman. ) 
Auckland. Wellington. 
DIvISION—NUDIBRANCHIATA. 
Gills exposed, or contractile into cavities on the surface of the 
mantle. Adult animal without any shell. Larva shell bearing. Foot 
elongate, formed for walking. Hermaphrodite. 
SECTION—-ANTHOBRANCHIATA. 
Gills plumose on the hinder part of the mantle, disposed in a circle, 
or semi-circle, round the vent. 
FAMILY—DORIDID-. 
Teeth many in each cross series, sub-similar, inner often smaller. 
Mantle edge simple. Gills surrounding the vent, on the middle of the 
hinder part of the back, in a common cavity, retractile ; mantle large, 
either entirely or almost covering and concealing the foot. Skin 
strengthened with spiculz, more or less definitely arranged. 
Sub-Family—FPlatyglosse. 
Oral tentacles free; odontophore broad, with numerous spines in 
each transverse row. 
Genus, DORIS —Linneus. 
Tentacles (rhinophores) dorsal, sub-clavate, laminated, retractile 
within a cavity. Gills arborescent, retractile; vent in the centre of the 
gills; surface of the mantle smooth or tubercular; sheaths of the 
tentacles often crenate on their margins. 
D. punctata, Quoy and Gatmard, Voy. Astrol. Zool., i., p. 262, 
pl. 18, f. 8-10. Body elongated, soft, flat, broad behind, reddish, 
marked with red spots ; anus prominent ; tentacles laciniated. 
Length, 24 inches (Q. & G.) 
New Ireland. (Q. & G.) New Zealand. (Abraham.) 
D. tuberculata, Cuvier; Alder and Handcock, Monograph of 
Brit. Nudibranch, Moll., pl. 3. Elliptical, sub-depressed, lemon-yellow 
or buff-orange, often variegated on the upper side with blotches of sage- 
green, pink and greyish-brown; mantle thickly covered with flattish, 
spiculose, unequal tubercles, the smaller ones more numerous than the 
