BIOLOGICAL SURVEY OF WOODS HOLE AND VICINITY. 
603 
Hippolhoa hyalina (Linnaeus). [Chart 40.] 
Verrill and Smith, 1873, p. 713, 403, etc. ( Mollia 
hyalina ); Osbum, 1912, p. 235. 
Buzzards Bay and Vineyard Sound, abundant. — 
Verrill. Taken by the Survey in various parts 
of Vineyard Sound; less frequently in Buz- 
zards Bay and mainly at inshore stations; 
abundant at Devils Bridge. Dredged in 1 to 
17 fathoms, on every sort of bottom, occurring 
for the most part on algae, but occasionally on 
hydroids, Bryozoa, shells, etc. Recorded, also, 
for Crab Ledge; Nantucket, in harbor, and at 
south shore; Great Round Shoal fishing ground, 
8 fathoms (very abundant on stems of hy- 
droids); likewise from various shores and 
wharves in the region, and from the Nantucket 
cable ; abundant on floating weed in Vineyard 
Sound. 
Fish Hawk stations: 7560, 7562 (on Chondrus 
crispus ), 7581 (on alga), 7582 (on Chondrus 
crispus), 7587, 7613, 7659, 7685, 7721, 7724, 
7727, 7771. Supplementary stations (1906): 
7723; (1907): 7526, 7581, 7783; (1909): 7627, 
7671. 
Phalarope and Blue Wing stations: 20, 24, 30, 44, 
45 . 46, 47 - 5 U 56 . 57 . 63, 64, 67, 83, 91, hi, 
163 (few). Supplementary station (1909): 83. 
Hippothoa divaricata Lamouroux. 
Osbum, 1912, p. 235. 
Vineyard Sound, near both ends, at Fish Hawk 
stations 7326 and 7723 (1906 repetition); like- 
wise at Crab Ledge in 18 fathoms. In all of 
these cases only small colonies of a few cells 
were noted. 
Cellepora americana Osburn. [Chart 44.] 
Verrill and Smith, 1873, p. 714, 312, etc. ( Cel- 
lepora ramulosa); Osbum, 1912, p. 238 (sp. nov.). 
Buzzards Bay and Vineyard Sound. — Verrill. 
Abundant throughout the Sound ; scarce in the 
Bay; dredged in 1 to 19 fathoms, on very vari- 
ous bottoms, commonly attached to hydroids, 
algae, or Bugula. — Survey. Also in drift on 
the shores of No Mans Land and Nantucket. 
Cellepora americana — Continued. 
Fish Hawk stations: 7523(7), 7532 (many on 
Eudendrium), 7533 bis, 7534, 7338 bis, 7340 
(few small masses on stems of Eudendrium), 
7547 bis, 7330, 7337 (abundant on Eudendrium ), 
7559, 7560 (on Bugula turrita), 7562 (abun- 
dant), 7364 bis, 7570, 7372 (on Eudendrium and 
Pennaria), 7574, 7576, 7579 (abundant), 7581, 
7591 (abundant on Bugula), 7594 (very abun- 
dant*), 7595 (many), 7598, 7616, 7618, 7656, 7660, 
7679, 7680, 7681, 7682, 7689, 7693, 7699, 7700, 
7701, 7704, 7706, 7707, 7709, 7718, 7719, 7724, 
77 2 5 . 773 °. 773 D 773 2 . 7733 . 7734 , 7739 - 774 U 
7742, 7744, 7753 (?), 7768, 7769, 7774, 7775, 
7781. Supplementary stations (1906): 7537, 
7567 , 7723 , 7745 ! (1907): 7526, 7538, 7549, 
755 1 » 758 i, 773 D 7739 . 7775 - 778o; (1909): 
7618, 7638, 7643, 7639, 7660, 7668, 7670, 7671, 
7672. 
Phalarope and Blue Wing stations: 5, 6, 7 (few 
pieces)?, 8, 46, 51, 113, 160. 
Cellepora canaliculata Busk. 
Osburn, 1912, p. 239. 
Crab Ledge, August 12, 1909, one large branched 
colony, and two of the ordinary pisiform type. 
Family Escharid^. 
Lepralia americana Verrill. « 
Verrill and Smith, 1873, p. 713, 420 (? Lepralia 
pallasiana ); Verrill, 1875, p. 415, pi. VII, 
fig. 4; Davenport, 1891, p. 47 (Lepralia pallas- 
iana); Osbum, 1912, p. 241. 
Unequivocal records for this species as follows: 
Western end of Vineyard Sound, at Fish Hawk 
station 7719; Buzzards Bay at 1909 repetitions 
of Fish Hawk stations 7657, 7668, 7671, 7672, 
and of Phalarope station 165; Woods Hole 
Harbor, on piles; Nantucket Harbor, on piles; 
Muskeget Channel, 7 fathoms; Great Round 
Shoal fishing ground, 8 fathoms; Crab Ledge. 
(For other possible records see below.) 
Lepralia pallasiana (Moll).& 
Leidy, 1855, p. 9, fig. 23 (Escharina pediostoma); 
Osbum, 1912, p. 240. 
a This species and the following were undoubtedly confused by Verrill, probably in the Vineyard Sound report, and cer- 
tainly in his later papers, in which he refers only to L. americana after his description of that species. In the 187s paper, for 
example, figure 4 can be identified with certainty as L. americana; but figure $ of the same plate, which is without doubt 
L. pallasiana Moll, is referred to as representing “ the same without ootheca” as figure 4. The present authors followed Verrill in 
their earlier records for this report, and the two species were thus confused. Hence, unfortunately, it is impossible to present 
the distribution of these forms separately. The resulting combined records are given below. A few unequivocal records for each 
species are likewise presented, however. 
b Concerning the confusion of this with the preceding species, see above. Leidy undoubtedly figured this species, recording 
it from Beesleys Point, N. J. Dr. Osburn has found it in the drift on the north shore of Cape Cod; likewise in Vineyard Sound, 
where it is not uncommon, ranging from the low-water mark to the deepest parts. « 
