1916.| A. L. Massy: Cephalopoda of the Indian Museum. 18g 
mim. 
Length of funnel iy ay 8 
Diameter of eye ve Aa 4 
J ,, largest sucker ,,, os ee I 
ist right arm to expanded portion 12 
and 5; ‘ ae 4 18 
ard ” ” oar 15 
Attn } 15 
rst left ,, to expanded portion {2 
2nd ,, sF 19 
3rd ” ” seF 16 
athe 55 7 14 
Distyihution.—Mauritius and Chagos Islands (Smith) ; Masbate, 
Philippines (Smith, Hidalgo); China Sea and Australia (Smith) 
Hawaiian Islands (Berry). 
’ 
Family POLY PODIDAE., 
Polypus rugosus (Bosc) d’Orbigny. 
Sepia vugosa, Bosc, Actes Soc. d'histoire nat, Paris, p. 24, pl. 5, figs 
1, 2(1792); Octopus rugosus, d’Orbigny, Céphalopodes achabuliferes, 
p- 45, pls. 6, 23, fig. 2 (1838); Brock, Zool. Fahrb., I, pp. 591-614, 
taf. 16, figs. 1-4, Jena (1887); Joubin, Aull. Soc. Zool. France, XKMI, 
p- 99 (1897); Octopus granulatus, Lamarck, Mém. Soc, d'histoire 
nat, Paris, p. 20(1799); Hoyle, ' Challenger’ Rep. XVI (Cephalopoda), 
pp. 80-81 (1886); Goodrich, Trans. Linn. Soc. Zool., VAI, p- 1g 
(1396); Wilker, Abb, d. I/, Kl. d. kh. Ak. d. Wiss., IIL Suppl.-Bd., 
1 Abh., pp. 5, © (1910); Octopus boscit var. pallida, Hoyle, Lc., 
pp. 81-83, pl. 1, pl. 3, fig. 2: Octopus polyzenia, Gray, British Museum 
Catalogue, p. 13 (1849); KE. A. Smith, Rep, Zool. Coll. Indo-Pacific 
Ocean during voyage H.M.S. ‘Alert,’ p. 34, pl. 4, fig. A (1884) ; 
(7) Octopus kagoshimensis, Ortmann, Zool, ‘Fahrb., V, p. 644, pl. 21, 
fig. 2 (1888), 
M 477° ‘ Investigator,’ Palk St,. Ceylon, Marine Survey of India-—One @ . 
M 49) ‘ Investigator’ station 267; g-iv-1goo, W. of Ceylon, 7° 2/ 30% 
N., 79° 30’ K., 457-589 fathoms—One 3. 
M #221 Persian Gulf (Townsend)—One 9 , 
M 427% Off Santapily, Madras Presidency, x-1g00, trawler ‘ Golden 
Crown,’ Bengal Kish. Dept-—One J, 
M ##2° Persian Gulf, 19-v-1g14, R.1.M.5. ‘ Palinurus'—One J. 
These possess a round body with ventral furrow, a narrower 
head, and robust arms tapering to fine points, and measuring 
about two and a half times the length of the ventral mantle. 
The umbrella, which 1s about one-quarter the length of the 
arms, and extends on their outer margins nearly to the tip, is 
lowest dorsally and about equal on the other arms It is tuber- 
cled and covered with chromatophores inside and outside between 
the dorsal pair, and smooth and colourless elsewhere. 
The mantle opens just below the eye and about half way between 
eye and siphon. Siphon conical, free for half its length and 
extending to, or above, the level of the eyes, and less than half way 
to umbrella margin; funnel organ W-formed and composed of 
narrow bands. MHectocotylized arm with well-marked sperm 
canal and very small terminal organ. Some suckers are enlarged 
on the lateral arms of both male specimens. In colour, all show 
