6oo 



BULLETIN OF THE BUREAU OF FISHERIES. 



Membranipora pilosa Continued. 



gravel. Survey. Recorded also from Woods 

 Hole Harbor, on piles; Nobska Beach; Vine- 

 yard Haven, on piles; Lagoon Pond, on piles 

 Nan tucket Harbor, on piles; Great Round 

 Shoal fishing ground, 8 fathoms, on shells; 

 Cedar Tree Neck; No Mans Land, shore; sur- 

 face of Vineyard Sound, on floating weed; 

 Great Pond; Scraggy Neck. 



Fish Hawk station: 7533 bis, 7536 (on alga), 

 7557 ( nn eel grass), 7559 ? (on eel grass), 7560 

 (on Chondru? .crispus), 7562 (on Chondrus 

 crispus), 7567 (on alga), 7574 (many patches), 

 7579 (?) ( on Laminarid), 7581 (on alga), 7582 ? 

 (abundant on Laminaria and on Chondrus 

 crispus), 7584 (on Chondrus crispus), 7585 ? (on 

 Laminaria), 7587 (abundant on algae), 7589 ? 

 (abundant on Laminaria), 7592 ? (on Lamina- 

 ria), 7611, 7614, 7615, 7619, 7630, 7636, 7639, 

 7656, 7659, 7667, 7678 (on Polynices shell), 7685, 

 7701, 7706, 7708, 7710, 7718, 7720, 7721, 7722, 

 77 2 3> 77 2 4. 77 2 8. 7739. 7764. Supplementary 

 stations (1906): 7723; (1907): 7581, 7731, 7739, 

 7761, 7783; (1909): 7659. 



Phalarope and Blue Wing station: i, 2, 3, 16, 32, 

 36, 44, 45, 46, 47, 51, 56, 57, 58, 64, 67, 74, 82, 

 83, 87, 91, in, 116, 117. Supplementary sta- 

 tion (1909): 83. 



Membranipora craticula Alder. 

 Osburn, 1912, p. 229. 



Great Round Shoal fishing ground, in 8 fathoms, 

 on shells and on Bugula murrayana. Also 

 from Crab Ledge, Muskeget Channel, No Mans 

 Land and Nantucket Shoals. 



Membranipora lineata (Linnaeus). 



Verrill and Smith, 1873, p. 712, 406, etc.; Osburn, 



1912, p. 228. 



Vineyard Sound. Verrill. Large colony, grow- 

 ing on Laminaria, taken at Devils Bridge 

 (Blue Wing station 46), in 2 to 3>< fathoms, 

 sandy bottom. Also dredged at Crab Ledge, 

 in 15 fathoms, and collected at Woods Plole 

 Harbor on Fucus, Vineyard Haven and Nan- 

 tucket on piles; not common. 



Membranipora unicornis (Fleming). 

 Osburn, 1912, p. 230. 

 Dredged at the Great Round Shoal fishing ground 



in 8 fathoms, several fine colonies incrusting 



shells. 



Membranipora monostachys Busk. [Chart 33.] 



Osburn, 1912, p. 277. 



Vineyard Sound at scattered stations throughout 

 its length; Buzzards Bay, at a few widely sepa- 

 rated points; dredged by the Survey in 3 to 

 19 fathoms, chiefly on sandy bottoms; grow- 

 ing upon shells, rarely upon algae, the egg cases 

 of skates, or the carapace of Limulus. Re- 

 corded, also, from Muskeget Channel and 

 Great Round Shoal, from among drift on the 

 shore of No Mans Land, and from Woods Hole 

 Harbor and Nantucket, on piles. 



Fish Hawk stations: 7532 bis, 7533 bis, 7558 (on 

 mussel shell), 7680, 7683, 7697, 7709, 7722 

 7727> 7777. 7779- Supplementary stations 

 (i907): 7538; (1909); 7059. 7660, 7671. 



Phalarope stations: 3,164. Supplementary sta- 

 tions (1909): 83, 146. 



Membranipora lacroixii (Adouin). 



Osburn, 1912, p. 227. 



A fine colony, 6 inches in diameter, found by 

 Mr. E. D. Congdon in the estuary of the 

 Weweantic River, incrusting a stone, collected 

 at low tide. This species not previously 

 recorded for the American coast south of the 

 St. Lawrence River. 



Membranipora tennis Desor. [Chart 34.] 



Desor, 1848, p. 66 (sp. nov.); Verrill and Smith, 



J 873> P- 7 12 , 420; Osburn, 1912, p. 231. 

 Muskeget Channel. Desor. Vineyard Sound. 

 Verrill. Common throughout Vineyard 

 Sound; taken at frequent stations in the Bay, 

 though apparently lacking in the central 

 parts; recorded, also, from Muskeget Channel, 

 in 7 fathoms, and Great Round Shoal fishing 

 ground, in 8 fathoms. Stones and shells bear- 

 ing this species dredged in 2 to 19 fathoms, on 

 various bottoms. Survey. 



Fish Hawk stations: 7532 bis, 7533 bis, 7543 (on 

 shell of Modiolus), 7545 bis, 7547 bis, 7659, 

 7666, 7678 (on Polynices shell), 7679, 7680, 7682. 

 7686, 7698, 7699, 7700, 7703, 7706, 7707, 7708, 

 7709, 7717, 7720, 7722, 7727, 7730, 7731, 7734, 



7735- 7740, 7741, 7749. 7755. 7759. 77 6 . 7766, 

 7767, 7768, 7769, 7774, 7775, 7776, 7777, 7780, 

 7781, 7782, 7783. Supplementary stations 

 (1906): 7525, 7723, 7731; (1907): 7521, 7526, 

 753 s . 7542, 7543. 7549. 75 Sl . 77*8, 7766, 7770, 

 7775. 7776, 7780; (1909): 7624, 7629, 7634, 7636, 

 7 6 53. 7 6 59. 7 6 7. 7 6 / 1 . 7 6 72. 



Phalarope stations: 2, 6, 15, 24, 68, 83, 109, 150, 

 152, 163 (common), 165 (few), 167 (few). Sup- 

 plementary station (1909): 83. 



