98 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. 37. 



between islands, at North Point Copper Island, N. 84° E., 8.2 miles 

 (lat. 54° 51' 30" N. ; long. 1G7° 14' E.) . A large specimen, nuitilated, 

 comes from station 5084, off Omai Saki Light (20 to 40 miles distant), 

 N. 291° E., 41 miles (lat. 34° N.; long. 137° 49' 40" E.), at a depth 

 of 918 fathoms, which I have doubtfully referred to this species. 



Depth.— M4: fathoms; 244 fathoms; 482 fathoms; 135 fathoms; 24T 

 fathoms; 426 fathoms; 1,040 fathoms; in gray sand and green mud; 



in broken shells; in green and 

 brown sand; in gray mud, sand, 

 and pebbles; in fine gray sand; in 

 coarse pebbles. 



ARCTURUS GRANULATUS, new species. 



Body narrow, elongate, about 

 four times as long as broad, 4 

 mm. : 15| mm. Surface of body 

 rugose, with the anterior and pos- 

 terior margins of all the segments 

 furnished with a row" of tubercles. 

 Abdomen covered with low tu- 

 bercles. 



Head a little wider than long, 

 1^ mm. : 2 mm. Front deeply 

 excavate, with the antero-lateral 

 angles produced. There is a small 

 median point. The eyes are large, 

 round, composite, and paced close 

 to the lateral margin, about half- 

 way between the anterior and the 

 posterior margins. The rugosities 

 on the posterior half of the head 

 form two low elevations, one on 

 either side of the median line. 

 The first pair of antennse have the 

 basal article large and dilated; 

 the next two articles are slender 

 and subequal ; the fourth article is 

 about twice as long as the preced- 

 ing article and extends to the end of the .second article of the second 

 pair of antennae. The second pair of antennae have the first article 

 very short; the second is longer and is about 1^ mm. long; the third 

 is 2h nun. in length; the fourth is tAvice as long as the third, beinsT 

 5 mm. long; the fifth is almost as long as the fourth, being 4| mm.; 

 the flagellum is 2 mm. long and is composed of seven articles. 



Fig. 2.3. — Aucturvs graxulatus. X 4 

 (Drawn by Miss V. Dandridge.) 



