siphono-comb. form

1842 W. T. Brande Dict. Sci., Lit. & Art 1120/2 Siphonobranchiates, Siphonobranchiata,..an order of Gastropods, including those in which the branchial cavity terminates in a tube or siphon more or less prolonged, by which the respiratory current of water is received and expelled.

1849 J. Craig New Universal Dict. Siphonobranchiate a.

1898 H. C. Porter tr. E. Strasburger et al. Text-bk. Bot. 431 The pollen-tubes..conduct the two generative cells to the egg-cell. The Phanerogams have accordingly been termed by Engler, Siphonogams.

1900 B. D. Jackson Gloss. Bot. Terms 242/1 Siphonogamic.

1891 Nature 17 Sept. 484 From another point of view karyogamy is..Siphonogamous: karyogamy is effected by a tubular outgrowth from one or both of the gametes.

1900 B. D. Jackson Gloss. Bot. Terms 242/1 Siphonogamy.

1894 Jrnl. Marine Zool. 1 78 The single siphonoglyph giving attachment to the ventral pair of directive mesenteries.

1883 Philos. Trans. (Royal Soc.) 174 693 On the Ciliated Groove (Siphonoglyphe) in the Stomodæum of the Alcyonarians.

1883 Philos. Trans. (Royal Soc.) 174 694 I propose to call this groove ‘the siphonoglyphe’.

1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 725 [One end of the mouth] leading into well marked grooves strongly ciliated known as gonidial grooves or siphonoglyphes.

1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 775 A Siphonophoran has been variously regarded (1) as an assemblage of organs, or (2) as a colony of polymorphic zooids.

1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 775 (note) The Siphonophoran tentacle..is sometimes attached directly to the coenosarc.

1842 W. T. Brande Dict. Sci., Lit. & Art 1120/2 Siphonophores, Siphonophora,..a name given by Escholtz to an order of Acalephes, to which he refers those species that have no central digestive cavity, but simply isolated tubes.

1883 Cent. Mag. Sept. 733/2 The vapory, translucent siphonophores..lived contentedly in their glass prison.

1884 Riverside Nat. Hist. I. 106 The Siphonophore fauna of the Mediterranean Sea.

a1836 Encycl. Metrop. (1845) VII. 267/1 The Siphonophorous Order are..distinguished by the absence of any stomach.

1881 Encycl. Brit. XII. 555/1 The variously modified units of the siphonophorous colony.

1881 Encycl. Brit. XVI. 684/1 In embryo Siphonopods..the sucker-bearing lobes of the fore-foot are truly podial structures.

1881 Encycl. Brit. XVI. 669/1 Siphonopodous Cephalopods in which the inflected lateral margins of the mid-foot are fused so as to form a complete tubular siphon.

1902 Encycl. Brit. XXV. 414/2 (caption) Typical siphonostele (represented as mesarch) with internal phloem.

1969 F. E. Round Introd. Lower Plants x. 123 The central tissue in the siphonosteles is often sclerified.

1899 E. C. Jeffrey in Mem. Boston Soc. Nat. Hist. V. 160 The two primitive types of stele described above may..be appropriately designated, protostelic and siphonostelic respectively.

1969 F. E. Round Introd. Lower Plants x. 123 A simple stele is formed. This consists either of a stellate mass of xylem surrounded by a few rows of simple phloem cells or, in the aerial parts of Psilotum and Tmesipteris, becoming siphonostelic.

1899 E. C. Jeffrey in Mem. Boston Soc. Nat. Hist. V. 160 The primary vascular axes of living Lycopodiales rarely present the phenomena of siphonostely.

1872 H. A. Nicholson Man. Palæontol. 244 In a second group the aperture of the shell is notched in front; and the shell is said to be ‘siphonostomatous’.

1837 Penny Cycl. IX. 460/1 Latreille..admitted into the class Crustacea 12 orders,..the Ostrapods, the Xyphosures, and the Siphonostomes.

1842 W. T. Brande Dict. Sci., Lit. & Art 1120/2 Siphonostomes, Siphonostoma,..a family of Crustaceans, comprehending those which have a siphon-shaped mouth for suction.

1842 W. T. Brande Dict. Sci., Lit. & Art 1120/2 Siphonostomes... By M. de Blainville the term is applied to those Gastropods which have the opening of the shell prolonged into a siphon.

a1836 Encycl. Metrop. (1845) VII. 278/1 All the pieces of the mouth can be accounted for in the Siphonostomous Order.

1855 J. Ogilvie Suppl. Imperial Dict. Siphonostomous, a designation of animals with a siphon-shaped mouth for suction.

1949 H. H. Strain in Franck & Loomis Photosynthesis in Plants vi. 162 Siphonaxanthin. Green algae of the order Siphonales yield significant quantities of this ketonic pigment that closely resembles fucoxanthin with respect to spectral absorption properties.

1964 Oceanogr. & Marine Biol. 2 217 Within the Chlorophyta, the Siphonales differ from the other members in possessing siphonein and siphonoxanthin.

1973 V. J. Chapman & D. J. Chapman Algae (ed. 2) vi. 137 The discoid chloroplasts..lack siphonaxanthin so characteristic of the siphonaceous Chlorophyceae.

1881 H. N. Moseley Corals in Rep. Sci. Results Voy. Challenger 1873–6 II. 118 I propose to term in the case of Alcyonarians, in which there are two kinds of zooids,..the aborted polyps (zooids of Kölliker) ‘siphonozooids’.

1881 H. N. Moseley Corals in Rep. Sci. Results Voy. Challenger 1873–6 II. 119 The siphonozooid cavities are only about one-fifth the length of the autozooid cavities.

1896 J. W. Kirkaldy & E. C. Pollard tr. J. E. V. Boas Text Bk. Zool. 114 The constant presence, in various Alcyonarians, of arrested individuals (siphonozooids).