46 
PACIFIC SCIENCE, Vol. II, January, 1948 
36, fig. 13, 14, pi. 37, fig. 30; Berkeley, 1930: 
70; Berkeley, 1932^: 315. 
Parasabella maculata Bush, 1904: 201, pi. 28, 
fig. 8, 9, pk 33, fig. 8, 12, 33, pi. 34, fig. 2, 
pi. 36, fig. 12, 15, 16, 21, 22. 
Sabella media Hartman, 1942: 79-80, fig. 159, 
160 . 
Collection. Canoe Bay (1). 
The single collection is from Alaska, from a 
previously reported locality. 
Sabella crassicornis Sars 
Sabella crassicornis Sars, 1851: 202-203; Jo¬ 
hansson, 1927: 119-121; Hartman, 1942: 
78-79. 
Sabella elegans Bush, 1904: 194-195, pi. 26, 
fig. 2, pi. 27, fig. 6, pi. 33, fig. 20, 21, pi. 34, 
fig. 1, 4, 5, 10; Moore, 1908: 359; Berkeley, 
1930: 70. 
Sabella leptalea Bush, 1904: 195-196, pi. 27, 
fig. 6. 
Collections. Station 60-40 (2); Seldovia 
( 2 ). 
This species is common in cold waters of both 
northern Pacific and Atlantic oceans; the present 
records are near the known range; they come 
from Leonard Harbor in 20 to 25 fm. and from 
the beach at Seldovia. 
Genus POTAMILLA Malmgren 
Potamilla neglecta (Sars) 
Sabella neglecta Sars, 1851: 203. 
Aspeira modesta Bush, 1904: 202-203, pi. 25, 
fig. 3, pi. 36, fig. 27-31, 33-35. 
Potamilla neglecta Johansson, 1927: 143-145; 
Hartman, 1942: 81. 
Collection. Station D 15-41 (1). 
This has been reported from Kadiak, Alaska 
(Bush, 1904); the present record is from 20 
miles north of St. Lawrence Island, Bering Sea, 
in 15 to 16 fm. 
Genus PSEUDOPOTAMILLA Bush 
Pseudopotamilla intermedia Moore 
Pseudopotamilla intermedia Moore, 1905 b\ 
562-564, pi. 37, fig. 15-22; Hartman, 1938;*: 
19, 25, 26. 
Pseudopotamilla reniformis Moore, 1908: 359- 
360; Berkeley, 1930: 70; Berkeley, 1932;*: 
315. 
Collections. Stations 20-40 to 22-40 (frag¬ 
ment); 60-40 (many). 
The type locality is Afognak Bay, Alaska, in 
14 to 19 fm. (Moore, 1908: 359). Present 
records are from Canoe Bay, in 15 to 40 fm., 
and Leonard Harbor, in 20 to 25 fm. 
Pseudopotamilla occelata Moore 
Pseudopotamilla occelata Moore, 1905£: 559- 
562, pi. 37, fig. 8-14; Berkeley, 1930: 70; 
Hartman, 1938;*: 19, 20, 25, 26, 27, pi. 2, 
fig. 6, 7. 
Pseudopotamilla brevibranchiata Moore, 1905A: 
555-559, pi. 37, fig. 1-7. 
Collections. Stations 61-40 (2); Mist Har¬ 
bor (2). 
These records, Cold Bay, in 15 to 30 fm., and 
Mist Harbor, are within known ranges. 
Genus SCHIZOBRANCHIA Bush 
Schizobranchia insignis Bush 
Schizobranchia insignis Bush, 1904: 206-207, 
pi. 24, fig. 1, 2, pi. 27, fig. 1, pi. 28, fig. 5, 
pi. 35, fig. 2, 12, 13, 15, 16, 26, 27; Hartman, 
1942: 82-83; Berkeley, 1942: 206. 
Schizobranchia nobilis Bush, 1904: 207, pi. 24, 
fig. 3, pi. 28, fig. 7, pi. 33, fig. 22, pi. 35, 
fig. 1, 3-6, 8, 10, 11, 23; Berkeley, 1930: 71. 
Collections. Stations 61-40 (1); under the 
dock at Sand Point (1). 
Both individuals have eight thoracic setig- 
erous segments; tentacular radioles are split 
three to five times. These records are within 
the known range. 
