New Zealand Porifera — Bergquist 
47 
GENUS Plakina (Schulze) 
Plakina monolopha ( Schulze ) 
Synonymy: See Burton, 1929, p. 4 14. 
OCCURRENCE: Rangitoto; midlittoral. 
REMARKS: A small yellow incrustation. 
DISTRIBUTION: Mediterranean; Atlantic coast 
of France; West Indies; Antarctic; Japan. 
Plakina trilopha (Schulze) 
Synonymy: See Burton, 1929, p. 4 14. 
OCCURRENCE: Rangitoto; midlittoral. 
REMARKS: A small incrustation, cream to deep 
purple. 
DISTRIBUTION: Mediterranean; Antarctic. 
REFERENCES 
Bowerbank, J. S. 1864. A Monograph of the 
British Spongiadae, Vol. I. Roy. Soc. Lond. 
Pp. 1-290, 37 pis. 
1866. A Monograph of the British 
Spongiadae, Vol. II. Roy. Soc. Lond. Pp. 1-388. 
Br0ndsted, H. V. 1923. Sponges from the 
Auckland and Campbell Islands. Vidensk. 
Medd. Kbh. 75: 117-167. 
— 1924^. Sponges from New Zealand, Part 
I. Vidensk. Medd. Kbh. 77: 435-483. 
— 1924 A Sponges from New Zealand, Part 
II. Vidensk. Medd. Kbh. 81: 295-331. 
— - — 1927. Antarctic and Subantarctic 
sponges. Ark. Zool. Stockh. 19A(6) : 1-6. 
Burton, M. 1926. Observations on some British 
spp. of sponges belonging to the genus 
Reniera. Ann. Mag. Nat. Hist. ser. 9, 17: 
415-424. 
— 1929. Porifera, Part II. Antarctic 
sponges. Brit. Antarct. Terra Nova Exped. 6 
(4): 393-458, 5 pis. 
1932. Sponges. Discovery Rep. 6: 237— 
392, 24 pis. 
— 1934. Sponges. Gr. Barrier Reef Exped. 
Sci. Rep. 14: 513-614, 2 pis. 
1935. The family Plocamiidae with 
description of four new genera of sponges. 
Ann. Mag. Nat. Hist. 15(90): 651-653. 
Carter, H. J. 1885. Descriptions of sponges 
from the neighbourhood of Port Phillip Heads, 
South Australia. Ann. Mag. Nat. Hist. ser. 5, 
15: 107-117, 196-222, 301-321, 6 pis.; ser. 
5, 16: 277-294, 347-368. 
1886. Descriptions of sponges from the 
neighbourhood of Port Phillip Heads, South 
Australia. Ann. Mag. Nat. Hist. ser. 5, 17: 
40-53, 112-127, 431-441, 502-516. 
Dendy, A. H. 1894-1895. Catalogue of non- 
calcareous sponges collected by J. Bracegirdle 
Wilson, Esq., M.A., in the neighbourhood of 
Port Phillip Heads, Part I. Proc. Roy. Soc. 
Viet. ser. 2, 7: 232-260. 
— 1885, 1896. Catalogue of non-calcareous 
sponges collected by J. Bracegirdle Wilson, 
Esq., M.A., in the neighbourhood of Port 
Phillip Heads, Part II. Proc. Roy. Soc. Viet, 
ser. 2, 8: 14-51. 
1897- Catalogue of non-calcareous 
sponges collected by J. Bracegirdle Wilson, 
Esq., M.A., in the neighbourhood of Port 
Phillip Heads, Part III. Proc. Roy. Soc. Viet, 
ser. 2,9: 230-259. 
1924. Porifera, Part I. Non- Antarctic- 
sponges. Brit. Antarct. Terra Nova Exped. 
6(3): 269-392, 15 pis. 
Dickinson, M. G. 1945. Sponges of the Gulf 
of California. Allan Hancock Pacif. Exped. 
11 ( 1 ). 
Haeckel, E. 1889- Report on the deep sea Kera- 
tosa collected by H.M.S. "Challenger” during 
years 1873-1876. Rep. Sci. Res. Challenger 
Zool. 32, part 82: 1-92. 
Kirk, H. B. 1911. Sponges collected at the Ker- 
madec Islands by Mr. W. R. B. Oliver. Trans. 
N.Z. Inst. 43: 574-581, 1 pi. 
Laubenfels, M. W. de. 1930. The sponges of 
California. Stanf. Univ. Bull. ser. 5, 5(98): 
24-29. 
1932. The marine and fresh water 
sponges of California. Proc. U.S. Nat. Mus. 
no. 2927, 81: 1-140. 
— 1934. New sponges from the Puerto 
Rican deep. Smithson. Misc. Coll. 91(17): 
1-28. 
