HYDROZOA CRASPEDOTA. 779 



A. N. H. (5), xvi. 1885. Gigantic Monocaulus, Nature, xii. 1875, p. 555, Hydra 

 and Cordylophora of Australia, von Lendenfeld, Spengel's Zool. Jahrbiicher, ii. 1886. 



Sarcothecae, or machopolypes, von Lendenfeld, Z. W. Z. xxxviii. 1883, transl. 

 A. N. H. (5), xii. 1883 ; Mereschkowsky, A. Z. Expt. x. 1882 ; cf. Metschnikoff, 

 Q. J. M. xxiv. 1884, p. 91. 



Medusa. Laodice (Cosmetira) salinarum, du Plessis, A. N. H. (5), iii. 1879 ; 

 Mnestra parasites, Glaus, Verhandl. z. b. Ges, Wien, xxv. 1876, Fewkes, American 

 Naturalist, xviii. 1884, pp. 197-8; Orchistoma, Keller, ' Mittheilungen,' Recueil Zool. 

 Suisse, i. 1884 ; Aequorea and its development, Glaus, Untersuchungen iiber die 

 Organisation, &c., der Medusen, Leipzig, 1883, pp. 61 et seqq. ; Octorchis with 

 Campanopsis, Irene (=Tima), Phialidium, Id. Arb. Zool. Inst. Wien, iv. 1882; 

 Gastroblasta timida, Keller, Z. W. Z. xxxviii. 1883, p. 622 ; history and development 

 of Turritopsis and Eutima, W. K. Brooks, Mem. Boston Soc. Nat. Hist. iii. 1886, 

 pp. 386-404; ' Notes,' &c., Id. Studies Biol. Lab. Johns Hopkins University, ii. 1883; 

 'Notes,' Fewkes, Amer. Naturalist, xviii. 1884; Eleutheria, Hartlaub, Z. A. ix. 1886. 



Deep-sea forms, Haeckel, Challenger Reports, iv. 1882, pp. 1-9. 



Fission in Medusae, Lang on Gastroblasta Raffaelei, with lit. cited, J. Z. xix. 

 1886. Gemmation in ditto, see table in Bohm, J. Z. xii. 1879, p. 136; Brooks, 

 American Naturalist, xiv. 1880, p. 670 ; Allman, Gymnoblastic Hydroids, Ray Soc. 

 1871, p. 82 ; Haeckel, 'System,' Pis. I and VI. 



Egg and development, Metschnikoff, Embryologische Studien an Medusen, 

 Wien, 1886 ; of Hydra, pp. 328-9, ante of Tubularia, Ciamician, Z. W. Z. xxxii. 

 1879, Conn, Z. A. v. 1882 ; of Myriothela, Korotneff, Z. A. ii. 1879, cf. Allman, 

 Ph. Tr. 1875 ; of Obelia, Mereschkowsky, Bull. Soc. Zool. France, viii. 1883 ; of 

 Turritopsis and Eutima, Brooks, Mem. Boston Soc. Nat. Hist. iii. 1886, (supra]. 



Migration of sexual cells in Obelia, Hartlaub, Z. W. Z. xii. 1885. 



Origin of sexual cells ; with many facts relating to the structure of the colony, 

 the development of the egg, and Medusa, as well as to the structure of the sexual 

 zooid, Weismann's Entstehung der Sexualzellen bei den Hydromedusen, Jena, 1883. 



Hydrocorallina, Moseley, Challenger Reports, ii. 1881 (cf. Milleporidae, Ph. 

 Tr. 167, 1877, and Stylasteridae, Ph. Tr. 169, 1878). Milleporidae, Quelch, Reef 

 Corals, Challenger Reports, xvi. 1886, p. 190; ampullae in M. Murrayi, Id. p. 192 

 of Reef Corals, or in Nature, xxx. p. 539 ; generative capsules, Hickson, P. R. S. xl. 

 1886, p. 325. New Stylasteridae, Quelch, A. N. H. (5), xiii. 1884; xvi. 1885. 



Graptolithidae s. Rhabdophora, Zittel, Handbuch der Palaeontologie, Abth. i, 

 Palaeozoologie, i. p. 290, or Nicholson's Manual of Palaeontology, 1879, i. p. 162; 

 Lap worth, Geological Magazine, x. 1873 ; Id. on the geological distribution of ditto, 

 A. N. H. (5), iii. and iv. 1879; v. and vL 1880. Cf. Allman's critical remarks in 

 the Gymnoblastic Hydroids, pp. 176-186, and p. 769, ante. Other fossil forms, Zittel, 

 op. cit. ; and cf. note i, p. 756, ante. 



III. Siphonophora. Oceanic Hydrozoa (with lit. p. 139), Huxley, Ray Society, 

 1858; Neue Beitrage, &c., Gegenbaur, Nova Acta, xxvii. 1860. Zur Kenntniss der 

 Siphonophoren von Nizza, Leuckart, A. N. xx. (i), 1854 ; Zool. Untersuchungen, Id. 

 Giessen, 1853. Schwimmpolypen von Messina, Kolliker, Leipzig, 1853. Siphono- 

 phora of deep waters, Studer, Z. W. Z. xxxi. 1878. Cf. Fewkes, Bull. Mus. Harvard, 

 ix. pp. 246, 302. 



