226 Mr. W. E. Hoyle on the 



coloured ground. One specimen has a purplish patch at 

 either side of the mantle-opening. 



Hab. The Reefs, Tongatabu. Three mutilated specimens, 

 1 <?,2 ?. 



Octopus vitiensis 7 n. sp. 



The Body is nearly oblong, but becomes somewhat narrower 

 posteriorly. The mantle-opening extends nearly one third 

 round the body, and terminates some distance below and 

 behind the eye. The siphon is long and acutely pointed, and 

 extends about halfway to the umbrella-margin. 



The Head is broader than the body, with large laterally 

 prominent eyes. 



The Arms are subequal, the two lateral pairs being a little 

 longer than the others ; on an average they are nearly three 

 times as long as the body, and taper rather rapidly about the 

 middle of their length and then evenly to fine points. The 

 vmbreUa extends nearly one third up the arms, least along 

 the dorsal pair. The suckers are sunken, comparatively large, 

 with a dark margin and very well-marked radial grooves. 

 The first two on each arm are in a single row, owing to the 

 compression of the arms laterally ; there are no enlarged 

 suckers on the lateral arms. The Tiectocotylus is not developed. 



The Surface of the dorsum of the body bears a few minute 

 warts scattered here and there ; over each eye there is a rather 

 large branched cirrus, with a few small ones scattered round it. 

 The internal surfaces of the arms are covered with minute 

 hemispherical warts, so as to resemble shagreen. 



The Colour is very dark grey, almost black on the dorsal 

 surface and outside the arms ; paler grey below and on the 

 inner surfaces of the arms. The dark covering of the body 

 is not continued over the inner surface of the membrane 

 covering the two dorsal arms. 



Hob. The Eeefs, Kandavu, Fiji. One specimen, ? . 



Octopus duplex, n. sp. 



The Body is short and evenly rounded, with the merest 

 trace of a median ventral groove. The mantle-opening ex- 

 tends about half round the circumference, and terminates 

 halfway between the siphon and the eye. The siphon is rela- 

 tively long, conical and pointed, and extends about halfway 

 to the umbrella-margin. 



The Head is small and the eyes rather prominent. 



The Arms seem to have been unequal, the lateral a little 

 the longest, but so many have been mutilated that it is diffi- 

 cult to be certain ; they are about four times the length of the 



