354 THE VOYAGE OF H.M.S. CHALLENGER. 



19. 1824. Quoy et Gaimaed, Voyage de l'Uranie et de la Physicienne, Zoologie, p. 577, pis. lxxxvi., lxxxvii. 



20. 1827. Quoy et Gaimard, Observations zoologiques faites a bord de l'Astrolabe dans le Detroit de Gibraltar. 



Ann. d. Sci. Nat. (ZooL), torn. x. (German translation, Oken's Isis, 1828, Bd. xxi. p. 330, Taf. 

 iii.-v.). 



21. 1825. Eschscholtz, J. Friedrich, Bericht tiber die zoologische Ausbeute der Reise. Oken's Ms, p. 743, 



Taf. v. figs. 14-17. 



C. Works treating of different single parts of the class, or of its general organisation, 

 all after Eschscholtz (1830-1888) :— 



22. 1830. Lesson, R. P., Voyage de la Coquille, Zoologie, tom. 2, ii., Zoophytes, chap. xv. pis. iv.-vii., xiv.-xvii. 



23. 1834. Meyen, F. J. F, Beitriige zur Zoologie. Nova Acta Acad. Nat. Curios., tom. xvi., Suppl. i. 



24. 1834. Blainville, Ducrotay de, Manuel d'Actinologie ou de Zoophytologie, pp. 111-140. 



25. 1835. Brandt, J. Friedrich, Prodromus descriptions animalium ab H. Mertensio in orbis terraruiu 



circuinnavigatione observatorum, pp. 31-41. 



26. 1840. Milne-Edwards, Sur les Acalephes hydrostatiques. Comptes rendus, tom. x. p. 780; l'lnstitut, tom. 



viii. p. 175. # 



27. 1846. Sars, Michael, Fauna littoralis Norvegias, Heft i. pp. 31-46, Taf. v.-vii. (Agalmopsis, Diphyes). 



Heft iii. (1877) p. 32, Taf. v., vi. {Physophora). 



28. 1848. Vogt, Carl, Ocean und Mittelmeer. Reisebriefe. Bd. i. pp. 309-330. 



29. 1851. Huxley, Thomas H, An account of Researches into the Anatomy of the Hydrostatic Acalepha'. 



Rep. Brit. Assoc, p. 78. 



30. 1851. Huxley, Thomas H., Uber die Sexual-Organe der Diphyiden und Physophoriden. Mutter's 



Archiv f. Anat. u. Physiol., p. 380. 



31. 1854. Gegenbaur, Carl, Uber einige niedere Seethiere. ZeitscJir. f. tciss. Zool., Bd. v. p. 103. 



32. 1859. McCrady, John, Gymnophthalmata of Charleston Harbour. Proc. Elliot Soc. Nat. Hist. 



Charleston, vol. i. pp. 139-147 (Velellidaj), pp. 169-181 (Siphouopkoras.) 



33. 1861. Keferstein und Ehlers, Zoologische Beitriige. I. Die Siphonophoren von Neapel und Messina, 



pp. 1-34, Taf. i.-v. 



34. 1860. Claus, Carl, Uber Physophora hydrostatica, nebst Bemerkungen iiber andere Siphonophoren. 



Zeitschr. f. wiss. Zool., Bd. x. p. 295, Taf. xxv.-xxvii. 



35. 1863. Claus, Carl, Neue Beobachtungen iiber die Structur und Entwickelung der Siphonophoren. 



Zeitschr. f. wiss. Zool., Bd. xii. p. 536, Taf. xlvi.-xlviii. 



36. 1862. Agassiz, Louis, Contributions to the Natural History of the United States of America. Vol. iv. 



pp. 333-336, and pp. 366-372. (Catalogue of the genera and species described.) 



37. 1865. Agassiz, Alexander, North American Acalepha?. Illust. Catal. Mus. Comp. Zool., Harvard Coll., 



No. II., pp. 199-218. (Nanomia cam, p. 200.) 



38. 1869. Haeckel, Ernst, Uber Arbeitstheilung in Natur und Menschenleben. (Anthemodes canarienxU.) 



39. 1871. Muller, P. E., Jagttagelser over nogle Siphonophorer (Calyconectw). Naturhist. Tidsskr. 



Kjijihenhavn, 2 R., Bd. vii. p. 261, Taf. xi.-xiii. 



40. 1878. Studer, Theodor, Uber Siphonophoren des tiefen Wassers (Bathyphysa, Rlrizophysa, «fcc.). 



ZeitscJir. f. iciss. Zool., Bd. xxxi. p. 1, Taf. i.-iii. 



41. 1879. Fewkes, J. Walter, Notes on Rhizophysa filiformis and Abyla pentagona. Proc. Boston Soc. Nat. 



Hist., vol. xx. pp. 292, 318. 



42. 1880. Fewkes, J. Walter, The Siphonophores. I. Agalma. American Naturalist, vols. xiv. and xv. 



(1881). II. Diphyes, Ibid., vol. xvi. (1882), vol. xvii. (1883), vol. xviii. (1884). 



43. 1881. Fewkes, J. Walter, Studies of the Jelly-Fishes of Narragansett Bay. Bull. Mus. Comp. Zool., 



vol. viii. No. 8, p. 163. 



44. 1881. Fewkes, J. Walter, Notes on Acalephs from the Tortugas, &c. Bull. Mus. Comp. Zool., 



vol. ix. No. 7, pp. 264-276, pis. v., vi.; No. 8, p. 302. 



