6o6 



BULLETIN OF THE BUREAU OF FISHERIES. 



Family VESICULARIID>B. 

 Amathia dichotoma (Verrill). 



Verrill and Smith, 1873, p. 709, 389, etc. 

 (Vesicularia dichotoma, sp. nov.), Osburn, 

 1912, p. 254. 



Survey records: Woods Hole Harbor, Katama 

 Bay, Edgartown, Nantucket Harbor; in each 

 case growing on piles, not taken during the 

 dredgings. Verrill gives no specific local 

 records for this region, but notes that it is a 

 very common species, growing under a con- 

 siderable variety of conditions. 



Bowerbankia gracilis Leidy. [Chart 45.] 



Verrill and Smith, 1873, p. 709, 389 (Vesicularia 

 gracilis); Osburn, 1912, p. 253. 



Vineyard Sound. Verrill. Occasional records 

 for Vineyard Sound and Buzzards Bay; 

 dredged by the Survey in 4 to 15 fathoms, on 

 various bottoms. Recorded also from the 

 piles of piers at New Bedford (abundant); 

 Round Hill Point; Woods Hole; Vineyard 

 Haven and Nantucket. 



Fish Hawk stations: 7533 bis, 7610, 7613, 7619, 

 7644, 7702, 7735; also 1906 repetitions of 

 75 6 7. 779. and 7723. 



Phalarope stations: 7, 65. 



Bou'erbankia gracilis caudata (Hincks). 



Osburn, 1912, p. 254. 



Dredged by the Survey both in Vineyard Sound 

 and Buzzards Bay, at Fish Hawk stations 

 7613, 7626, and 7760; also at 1906 repetitions of 

 stations 7567 and 7723. Recorded, likewise, 

 from New Bedford, on piles, sometimes com- 

 pletely covering hydroids and algae; Woods 

 Hole, on United States Bureau of Fisheries 

 pier; West Falmouth Harbor; Vineyard 

 Haven; Nantucket Harbor. 



? Vesicularia familiaris (Gros). 



Verrill and Smith, 187^, p. 710, 487 (Farrella 



familiaris); Osburn, 1912, p. 255. 

 Vineyard Sound. Verrill. Not noted in the 

 Survey dredgings. 



Family VALKERIID^. 

 Valkeria u~va ( Linnaeus). a 



Verrill and Smith, 1873, p. 709, 389, etc. (Vesi- 

 cularia cuscata); Osburn, 1912, p. 255. 

 Vineyard Sound, "found on hydroids attached 

 to floating eelgrass, . . . also dredged in 

 6 to 8 fathoms, on algae, Sertularia argentea, 

 and other hydroids. ' ' Verrill. Not recorded 

 in the Survey collection. 



. JeiJy (Syn. Catalogue of Marine Bryozoa, p. 267-269) gives Vesicularia cuscata Linnaeus as synonymous with Valkeria 

 u-ja. The genus Valkeria is distinguished from Vesicularia by the absence of a gizzard. Since, however, none of the species 

 taken by the Survey, which could, by any possibility, fall within this genus, have been found to be destitute of a gizzard, it seems 

 probable either that VerriEl was wrong in placing the Vineyard Sound specimens in Vesicularia cuscata, or else that Miss Jelly 

 is in error in her synonymy. To allow, nevertheless, for the possibility ot the species having been overlooked by us, we will 

 include Verrills statement, as above. 



fAkyonidium hirsutum (Fleming). 



Verrill and Smith, 1873, p. 708, 404, etc.; Os- 

 burn, 1912, p. 252. 



Vineyard Sound. Verrill. This species has not 

 been identified in the Survey dredgings. Ac- 

 cording to Verrill, it is found "living under 

 the same circumstances as the last [.4. hispi- 

 dum], and sometimes associated with it, both 

 above and below low- water mark." 



fAkyonidium gelatinosum (Linnaeus) 



Verrill and Smith, 1873, p. 709, 496; Osburn- 

 1912, p. 252. 



"A few small specimens, apparently belonging 

 to this species, were dredged in the deeper 

 parts of Vineyard Sound," on red alga?. Ver- 

 rill. Not identified in the survey dredgings, 

 Alcyonidium parasiticum (Fleming). 



Verrill and Smith, 1873, p. 708, 404; Osburn, 

 1912, p. 251. 



Vineyard Sound, on rocky bottoms, at depths 

 of a few fathoms, "forming thin crusts on 

 algae and hydroids, which generally become 

 coated with a layer of fine sand or dirt."- Ver- 

 rill. Crab Ledge, August 12, 1909; several 

 colonies on hydroids; recorded also from two 

 uncharted stations (7784 and 7785), which, 

 strictly speaking, lie outside of the limits of 

 the region treated in the present report (off 

 No Mans Land, S. by W., 29 fathoms). 

 Akyonidium mytili Dalyell. 



Verrill, 1879, p. 188 (Alcyonidium rubrum); 

 Osburn, 1912, p. 251. 



" Long Island Sound to Nova Scotia, common 

 all along the coast." Verrill. Dredged by 

 the Survey at the western end of Vineyard 

 Sound, 13 to 16 fathoms; also near the entrance 

 of Woods Hole passage; one good-sized col- 

 ony taken at Great Round Shoal fishing 

 ground, in 8 fathoms, on a shell. Likewise 

 found in abundance, incrusting barnacles on 

 piles in New Bedford Harbor, and not in- 

 frequently occurring on the legs and carapace 

 of Libinia, occasionally even in the branchial 

 chamber. 



Family CYLINDROSCID^E. 



A nguinella palmata Van Beneden. 

 Osburn, 1912, p. 253. 



Two colonies taken July 20, 1909, at a repetition 

 of Fish Hawk station 7659 in Buzzards Bay. 

 Previously recorded from this coast only at 

 Charleston, S. C. 



