332 
bulletin oe the bureau of fisheries. 
Material examined.— The single specimen was taken from the surface at Albatross station 3926, 
latitude 21° 13' N., longitude 158° 41' W., between Honolulu and Laysan Island [S. S. B. 276]. 
Remarks. This specimen is clearly immature and withal very poorly preserved. The tentacles 
are missing and the integument disfigured with a whitish deposit, badly obliterating some of the impor- 
tant features. It is undoubtedly a young Abraliopsis , however, and is very close to the stage described 
by Pfeffer as Micrabralia. 
Subfamily PYROTEUTHINiF Pfeffer 1912. 
PterygiomorphcB Chun 1908, p. 86. 
PterygiomorphcB Chun 1910, p. 58, 108. 
PyroieuihincB Pfeffer 1912, p. 124, 189, 773. 
Body sliarply pointed posteriorly, notably exceeding the large round separate tins. Buccal mem- 
brane joined with the basal web of the arms; dorsal lappets close together and coherent at base. Photo- 
genic organs lacking from the outer integument, but numerous and polymorphic 
on the eyeball as well as within the pallial chamber. 
Genus PTERYGIOTEUTHIS H. Fischer 1895 . 
Pterygioteuthis H. Fischer 1895, p. 205. 
Pterygioteuthis Pfeffer 1900, p. 165, 166. 
Pterygioteuthis Hoyle 1904, p. 39. 
PterygioteiUkis Chun 1910, p. 58, 108. 
Pyroteutkis {Pterygioteuthis) Pfeffer 1912, p. 193, 204, 774, 
Ventral arms naked or with suckers only; remaining arms with a few of the 
middle suckers transformed to hooks. Tentacle club with four rows of suckers 
and no hooks; fixing apparatus composed of a very few suckers and pads. Left 
ventral arm hectocotylized, and furnished with a conspicuous glandular fold or 
swelling. 
Type. — Pterygioteuthis Giardi Fischer 1895 (monotypic); described from off 
the coast of Morocco. 
Pfeffer has placed this genus under Pyroteutkis Hoyle 1904 as a subgroup; 
but even should this arrangement be accepted as zoologically correct, the name 
Pterygioteuthis has nine years’ priority and should therefore be given precedence. 
Pterygioteuthis microlampas Berry 1913. (PI. lii, fig. 1-3.) 
Pterygioteuthis giardi Berry 1909, p. 419 (locality record only). 
Pterygioteuthis microlampas Berry 1913, p. 566. 
Animal small, fragile, with a cylindro-conical body terminating posteriorly 
in asharp spinelike process, which extends between the fins and well past them; 
mantle about one-third as wide as long. Fins rather large, prominent, longer 
than broad, circular, not adnate, attached along their inner margins for less than 
half their total length; anterior and posterior lobes about equal. 
Head large, rounded, but little narrower than the mantle. Eyes large, prominent. Funnel large, 
broadly conical in outline; aperture small. 
Arms short, nearly of a length, their order of relative length 3, 2=4, i; outwardly keeled by a very 
fragile trabeculated membrane (most conspicuous on the arms of the third pair). Dorsal arms bare 
for the basal one-fourth of their length; at this point occur two very minute somewhat distant suckers, 
succeeded distally by six pairs of much larger suckers alternating in two series; the ventral members 
of the succeeding three pairs are transformed into hooks, after which the remaining suckers (about 
eight in number) steadily diminish in size to the extremity of the arm, there being 14 pairs of suckers 
or their homologues on the entire arm; distally a wide delicate trabeculated membrane (mostly tom 
away) occupies the ventral margin of the sucker-bearing area; the larger suckers have about four large 
long bluntly squarish teeth along the upper border of their homy rings. Arms of second and third pairs 
essentially similar in all respects to the dorsal arms, although larger and stouter. Ventral arms squarish, 
Fig. 35. — Pterygioteuthis mi- 
crolampas, ventral view 
of female [278], X 2. 
Drawn by R. L. Hudson. 
