78 MR JAMES RITCHIE: SUPPLEMENTARY REPORT ON 



Measurements : 



Stem iiiternodes, lengtli . . . 0'29-0'35 mm. 



breadth . . . CH3-0-16 



Hydroclade iiiternodes, lengtli .... P 25-0'29 ,, 



Hydrotheca, depth . . . . 0-14: 



vertical diameter at margin . . (H3-O14 ,, 



,, horizontal ,, ,, . O'lS ,, 



Locality. Station 81, Abrohlos Bank, Brazil. Lat. 18 14' S., long. 37 58' W. 

 Fathoms, 36. Bottom deposit, coral. 20th December 1902. 



Distribution. The only record given by NUTTING is from the Caribbean Sea near the 

 Isthmus of Panama (lat. 9 32' N., long. 79 55' W. 36 fathoms). The present 

 locality, also a shallow water one, is off the coast of Brazil near Porto Alegre a consider- 

 able southwards extension of the known range. 



LITERATURE. 



Mere mention is here made of the memoirs alluded to in this paper. For their titles reference must be 

 made to such bibliographies as that in HARTLAUB'S " Die Hydroiden der magalhaenischen Region und chilen- 

 isclien Kiiste " (below 1905), or those in NUTTING'S "Monographs of the American Hydroids." 



ALDER, J., 1857. Trans. Tyneside Naturalists' Field Club, vol. iii. pp. 93-160. 

 ALLMAN, J. G., 1864. Ann. Mag. Nat. Hist. (3), vol. xiii. pp. 345-380. 



,. 1871. A Monot/raph of the Gymnolilastic or Tubularian Hydroids, London, Ray Society. 



,, 1877. Mem. Mus. Comp. Zool. Han-ard, vol. v., No. 2. 



,, 1885. Jour. Linn. Sor. London, Zool., vol. xix., pp. 132-161. 



1888. Report Scientific Results, " Challenger," Zoo/., vol. xxiii. 

 BALE, W. M., 1894. Proc. Roy. Sor. Victoria, vol. vi. 

 BETKNCOURT, A., 1899. "Deuxieme liste des Hydraires du Pas-de-Calais," Miscell. Biolog., Trav. Soc. Zool., 



Wim?reux, vol. vii. pp. 1-13. 



BONNEVIE, K., 1899. Den Norske Nordhavs Expedition, 1876-1878, No. 26. Christiania. 

 BILLARD, A., 1906, (1). Actes Soc. Linn, de Bordeaux, vol. Ixi. pp. 69-76. 



1906, (2). Expedition Antarctique Franfaise, 1903-1905, "Hydroides." Paris, 1906. 



,, 1907. Expeditions scientifigues du " Travailleur" et du " Talisman," tome viii. 



BRUCE, W. S., 1894. "Antarctic Birds" in Knowledge, Sept. 1, 1894, pp. 208-210. 

 BUSK, GEO., 1850. Rep. Brit. Assoc. Adv. Se., 20 Meet. (London, 1851), pp. 118-120. 

 CLARKE, S. F., 1879. Bull. Mus. Comp. Zool. Harvard, vol. v., No. 10, p. 239. 

 ELLIS, .1., 1755. An Estsmj toward a Natural History of the Corallines, etc. London, 1755. 

 FEWKBS, J. W., 1881. Bull. Mus. Comp. Zool. Harvard, vol. viii., No. 7, p. 127. 

 HARTLAUB, C., 1900. "Revision der Sertularella-Arten," Abh. naturw. Ver. Hamburg, vol. xvi. pp. 1-143. 



1901. Zool. Julir., vol. xiv., Syst., pp. 349-379. 



1904. Ri'niillatt du voyage du &.Y. " Belijictt," Zool., " Hydroiden." Anvers, 1904. 



1905. "Fauna Chilensis" Supplement vi., Zonl. Jahr., 1905. 



HICKSON, S. J., and GRAVELY, F. H., 1907. " Hydroid Zoophytes, National Antarctic Expedition," Natural 



History, vol. iii. 

 UINCKS, T., 1861. Ann. Mag. Nat. Hist., ser. iii. vol. viii. p. 251. 



1868. A History of the British Hydroid Zoophytes. London, 1868. 



JADERHOLM, E., 1903. Arhivfiir zool., utij. af K<jl. Srenska Vetenskapsakad., Bd. i., pp. 259-312. 



(ROY. SOC. EDIN. TRANS., VOL. XLVII., 100.) 



