306 PROCEEDINGS OF THE NATIONAL MUSEUM. VOL. XXXIV. 
Sagami Bay; 35° 11" north latitude, 139° 45’ east longitude; 50 
fathoms; June 30, 1901. (Owston collection, No. 6147.) 
One specimen. 
Suruga Guf, April 12, 1903. (Owston collection, No. 7892.) 
One specimen. 
COMASTER JAPONICA (J. Miiller). 
Tokyo Gulf; Uraga channel; 25 fathoms; June 16, 1901. 
One specimen with 22 arms. 
Sagami Bay, 35° 11’ north latitude, 139° 44’ east longitude; 140 
fathoms; May 25, 1902. (Owston collection, No. 6929.) | 
One specimen, approaching C.. solaster, with 20 arms. 
Sagami Bay; 300 fathoms (%%); May 5, 1902. (Owston collec- 
tion, No. 6932.) 
One specimen, approaching (@. robustipinna, with 29 arms. 
Sagami Bay; 35° 04’ north latitude, 138° 48’ east longitude; 80 
fathoms; August 10, 1902... (Owston collection, No. 7194.) 
One specimen, with the carimation of the proximal pinnule joints 
much more marked than usual. 
Sagami Bay; 35° 03’ north latitude, 138° 47’ east longitude; 110 
fathoms; August 15, 1902. (Owston collection, No. 7011.) 
One specimen. 
COMASTER PARVICIRRA (J. Miiller). 
Sagami Bay; 35° 02’ north latitude, 188° 50’ east longitude; 55 
fathoms. (Owston collection, No. 7036.) 
One specimen with exactly 30 arms, the distichals 4 (3+4), the 
palmars, which are only developed on the inside of the rays, in 1, 2, 
Yo.  Oeclere, 2 | 
Sagami Bay; 35° 06’ north latitude, 189° 42’ east longitude; 30 
fathoms; April 24, 1902 (Owston collection, No. 7215); or 34° 59’ 
north latitude, 139° 33’ east longitude; 60 fathoms; April 20, 1902. 
(Owston collection, No. 7214.) 
One specimen with 30 arms, similar to the preceding. 
COMASTER IMBRICATA, new species. 
The centro-dorsal is large, discoidal, the dorsal surface flat, bear- 
ing a single, somewhat irregular, row of cirrus sockets. 
There are twenty-five cirri, 20 mm. to 30 mm. long, with twenty- 
two to thirty (usually about twenty-five) joints; those in the basal 
half are squarish, those in the distal are not quite so long as broad; 
after the eighth joimt the distal edges begin to project dorsally in 
the shape of a broadly rounded serrate ridge, appearing like a 
spine in lateral view; this ridge gradually moves nearer and. nearer 
the middle of the dorsal surface, and in the terminal joints occupies 
