100 



MR JAMES RITCHIE : SUPPLEMENTARY REPORT ON 



Measurements :- 



Stem iuteruodes, length 

 ,, breadth 



Hydroclade internodes, length . 



Hydrotheoa, depth 



,, vertical diameter at margin 



,, horizontal ,, „ 



0-29-0-35 mm. 

 0T3-0T6 „ 

 0-25-0-29 „ 



0-14 

 0T3-0-14 „ 



0'18 



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

 Fathoms, 36. Bottom deposit, coral. 20tli 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- 

 ischen Kiiste " (below 1905), or those in Nutting's "Monographs of the American Hydroids." 



Aldbr, J., 1857. Trans. Tyveside Naturalists' Field Club, vol. iii. pp. 93-160. 

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



,, 1871. A Monograph of the Gymnohlastic or Tuhularian Hydroids, London, Ray Society. 



,, 1877. Mem. Mus. Oomp. Zool. Harvard, vol. v.. No. 2. 



,, 1885. Jour. Liitn. Soc. London, Zool., vol. xix., pp. 132-161. 



,, 1888. Report Scientific Results, " Challenger," Zool., vol. xxiii. 



Bale, W. M., 1894. Proc. Roy. Soc. Victoria, vol. vi. 

 BjStbncouet, a., 1899. "Deuxieme Hste des Hydraires du Pas-de-Calais," Miscell. Biolog., T7-av. Soc. Zool., 



Wimereux, vol. vii. pp. 1-13. 

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

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



„ 1906," (2). Expedition A7itarctique Fran-Qaise, 1903-1905, "Hydroides." Paris, 1906. 



,, 1907. F.vpeditions scientificjiies du " Travailleur" et du " Talisman," tome viii. 



Beuce, W. S., 1894. "Antarctic Birds" in Knoioledge, Sept. 1, 1894, pp. 208-210. 

 Bosk, Geo., 1850. Rep. Brit. Assoc. Ado. Sc, 20 Meet. (London, 1851), pp. 118-120. 

 Clarke, S. F., 1879. Bull. Mus. Camp. Zool. Harvard, vol. v.. No. 10, p. 239. 

 Ellis, J., 1755. An Essay toxoard a Natural History of the Corallines, etc. London, 1755. 

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



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

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

 „ 1904. Residtats du voyage du S.Y." Belgica," Zool.," UyAmiAm." Anvers, 1904. 



„ 1905. "Fauna Chilensis " — Supplement vi., Zool. Jahr., 1905. 



HiCKSOK, S. J., and Gravely, F. H., 1907. " Hydroid Zoophytes, National Antarctic Expedition," Natural 



History, vol. iii. 

 HiNCKS, 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. Arkiv for zool., utg. af Kgl. Svenska Vetenskapsakad., Bd. i., pp. 259-312. 



