BIOLOGICAL, SURVEY OE WOODS HOLE AND VICINITY. 
631 
Parasabella microphthalmia — Continued. 
Hole Harbor*, Vineyard Haven* and Edgar- 
town*, on piles, and from Nobska Point and 
beach*. 
Fish Hawk stations*: 7616 (2 small), 7625 (1), 
7634 (3). 775 ° (*)> 778 i (1 young). 
Phalarope stations*: 1 (several), 2 (rather com- 
mon), 3 (rather common), 8 (2), 87 (2), 120 (1 
young), 148 (1). 
Pseudo potamilla oculifera (Leidy). [Chart 80.] 
Verrill and Smith, 1873, p. 617, 322, etc. 
(Potamilla oculifera ); Hargitt, 1906, p. 310 
(Potamilla oculifera). 
Vineyard Sound; off Buzzards Bay, in 25 fath- 
oms. — Verrill. Abundant and generally dis- 
tributed in Vineyard Sound; less frequent in 
Buzzards Bay and mainly confined to inshore 
stations; Crab Ledge at four stations; dredged in 
2 to 25 fathoms, on every sort of bottom; also 
recorded from piles at Vineyard Haven*. 
Fish Hawk stations: 7521 bis (several tubes), 
7522 bis (2 tubes), 7526 (1), 7528 (3), 7531 (2), 
7534 (tubes), 7535 bis (1 tube), 7544 bis (2 
tubes), 7560 (x), 7561 (1), 7570 (tubes), 7572 
(tubes), 7594 (burrows in shells), 7595 (1 tube), 
7597 (several tubes and worms), 7606 (3), 7607 
(several tubes), 7608 (3 tubes), 7609, 7612 
(several), 7613 (1), 7616 (plentiful, attached 
to shells), 7618 (1), 7621 (several), 7625 (sev- 
eral), 7629 (1), 7679 (common), 7680 (common), 
7681 (2), 7700 (several), 7702 (1), 7706 (several, 
some with eggs), 7707 (many attached to 
sponge), 7708 (1 tube), 7709 (1), 7730 (many 
tubes), 7732 (several), 7737 (tubes), 7742 (1 
tube), 7744 (1 tube), 7747 (common), 7748 (1), 
7756 (few), 7757 (1), 7767 (few), 7768 (com- 
mon), 7769 (common), 7770 (several), 7772 
(few), 7773 (few), 7777 (1), 7782 (several 
tubes). 
Phalarope and Blue Wing stations: 1 (several), 
2 (several), 3 (several), 7 (4 tubes), 8 (several), 
11 (1 tube), 12 (1), 14, 15 (several tubes), 16 
(several tubes), 22 (1), 25 (several), 36 (1), 52 
(1), 53 (colony on Venus), 63 (1), 66 (1 tube), 
67, 80, 81, 84 (2 tubes), 107 (1 tube), 113 (1 
tube), 114 (2 tubes), 116 (1), 118 (1), 138 (1 
tube), 151, 165 (tubes). 
This worm constructs familiar tough flexible 
tubes, attached to stones and shells, often 
penetrating the latter. 
Fahricia stellaris Blainville. 
Verrill and Smith, 1873, p. 619, 323 (Fabricia 
leid-yi, sp. nov.). 
Vineyard Sound, at and below low- water mark. — 
Verrill. Abundant on piles. — Moore. 
Family SERPUUm®;. 
Pro tula sp. 
Near West Chop (Fish Hawk stations 7525* and 
7525 bis*), 7 to 10 fathoms, sand; 1 tube at 
each dredging. 
Filograna implexa Berkeley. 
Crab Ledge at five stations.— Survey. Off 
Sankaty Head. — Moore. Taken in 16 to 25 
fathoms, on bottoms of gravel and stones, 
forming fine calcareous tubes in compact 
masses. 
Fish Hawk stations*: 7603 (clump of tubes), 
7605 (several clumps of tubes on shells), 7606 
(tubes), 7608 (tubes), 7609. 
Chcetinopoma greenlandica (Morch). 
Crab Ledge at Fish Hawk stations 7605*, 7609*, 
17 to 25 fathoms, stones, gravel, and shells; 
calcareous tubes attached to the last (only 
tubes found ) . Living specimens taken at same 
point, August 12, 1909. 
Hydroides dianthus (Verrill). [Chart 81.] 
Verrill and Smith, 1873, p. 620, 322 (Serpula 
dianthus, sp. nov.); Hargitt, 1906, p. 295etseq. 
Eastern half of Vineyard Sound, abundant and 
universally distributed; in western half curi- 
ously restricted to inshore stations; in Buz- 
zards Bay abundant at inshore stations, 
less frequent in the deeper waters; dredged in 
from 2 to 15 fathoms (only one record for a 
greater depth); perhaps in equal abundance 
on every kind of bottom, adhering to stones and 
shells. — Survey. Collected from piles and 
shores throughout the region. 
Fish Hawk stations: 7521 (few), 7521 bis (many), 
7522 (many), 7522 bis (many), 7523 bis (many), 
7524 (many), 7524 bis (many), 7525 bis (few), 
7526 (very abundant), 7527 (several clusters of 
tubes), 7528 (few tubes), 7530 bis (few tubes), 
7531 (several tubes), 7531 bis (few tubes), 
7532 (few tubes), 7532 bis (several), 7533 bis 
(several), 7534 (abundant), 7534 bis (abun- 
dant), 7535 (several tubes), 7535 bis (few 
tubes), 7536 (several tubes), 7537 (many), 7537 
bis (many), 7538 (numerous), 7538 bis (few), 
7539 (numerous), 7539 bis (few tubes), 7541 
(many), 7541 bis (few), 7543 (numerous), 7544 
(numerous), 7545 (many), 7545 bis (several), 
7547 bis (several tubes), 7548 (few), 7549 
(many) 7549 bis (many), 7550 (few), 7551 (1), 
7551 bis (few), 7552 (many), 7553 bis (few), 
7554 bis (few), 7557 (few), 7558, 7561 (many), 
7562 (many, some on algae), 7563 (many), 7565 
(few), 7573 (1 tube), 7595 (few tubes), 7596 (1 
tube), 7613 (large cluster of tubes), 7614 (1), 
