BEYOZOA OF THE CAPE VERDE ISLANDS. 43 



closely allied to Barentsia discreta, which he, however, distinguishes by the 

 number of tentacles, his species having 20-24, whereas Busk describes 

 B. discreta as having 16-20 ; it, however, seems doubtful whether they should 

 be separated, and Harmer also unites the two species. 



Loc. Tristan da Cunha, 100-150 fath. (Busk) ; China Seas, 27 fath. 

 (Kirkpatrick) ; Ceylon, India, Chile, Cape Horn, 40 met. (Jullien) ; Vineyard 

 Sound and Buzzard Bay, Beaufort, N.C., and Tortugas Isl., Florida, 

 18 fath. (Osburn) ; 5° 28' S.-134 53' E., 57 met.; 1° 42' S.-130 47' E., 

 32 met. ; Makassar, 0-32 met. ; Saleyer, 0-36 met. (Harmer) ; St. Vincent 

 Harbour, Cape Verde Islands, from under stones, collected by Crossland. 



Pedicellina cernua (Pallas), Smitt. 



For synonyms see Miss Jelly's Catalogue, and add : — 



Uljanin, " Anat. & Entw. Gesch. der Pedicellina," Bull. Soc. Imp. de Natur. de Moscou, 

 1870, pis. 5, 6 ; Harmer, " Life-Hist. of Pedicellina," Q. Journ. Micr. Sc. 1886, p. 239 ; 

 Jullien, Mission du Cap Horn, Bryozoaires, p. 9 (1888); Seeliger, " Ungesch. Verm der 

 Endoproct. Bry.," Zeit. Wissen. Zool. vol. xlix. (1889) pis. 9, 10 ; Levinsen, Zool. Danica, 

 ' Mosdyr,' vol. iv. p. 96, pi. 9. figs. 18-29 (1894); Calvet, " Bry. Mar. de la Reg. de Cette," 

 Trav. Inst. Zool. de l'Univ. de Montpellier, ser. 2, mem. 11, p. 94 (1902); Jull. & Calvet, 

 Bry. prov. des Camp, de 1'Hirondelle, p. 25 (1903) ; Norman, "Nat. Hist. East Finmark," 

 Ann. Mag. Nat. Hist. ser. 7, vol. xi. (1903) p. 574; Osburn, " Bry. of Woods Hole Reg.," 

 Bull. Bur. of Fisheries, vol. xxx. (1912) p. 213, pi. 18. figs, 3a-d; Osburn, "Bry. of 

 Tortugas Isl., Florida," Pub. Carnegie Inst. p. 185 (1914). 



The specimens on Scrupocellaria Bertlwletti, Hincks, from St. Vincent, 

 Cape Verde, are about - 4 mm. long, whereas British forms in my collection 

 are about l'6-2 mm. long. 



Loc. Northern Seas ; British and French coasts, Mediterranean, Australia 

 (Kirkpatrick) ; Senegal, Gulf of Guinea, Liberia, Egj r pt, Smyrna (Jullien § 

 Calvet) ; Canary Islands (Jullien) ; Woods Hole Region (Coburn) ; Cape 

 Verde Islands (Jullien 8f Calvet) ; St. Vincent, Cape Verde Islands, 

 collected by Crossland. , 



EXPLANATION OF THE PLATES. 



Plate 1. 



Fig. 1. Buffida dentata, X 25. The tissues drawn dark are coloured a dark blue, and 

 this coloration is specially marked in the growing tissue and tips of the 

 tentacles. 



2. Beania hirtissima, X 25. Dorsal surface. 



3. Scrupocellaria Macandrei. (a) Operculum, x 250; (b) seta, x 85; (c) base of 



seta, X 250; {d) mandible of lateral avicularium, x 250: (e) mandible of anterior 

 avicularium, x 250. 



4. Bo. do. Avicularian chamber decalcitied, X 250. 



5. Bo. do. Base of seta with muscles and lateral chitiu pieces (ch.), x 250. 



