- Stauridium productum, portion of the colony magnified; p, polyp; rh, hydrorhiza.
B, C. multicornis, natural size; p, polyp; gon, gonophores; rh, hydrorhiza.
Dz, by the hydranths, each with dactylozoid; gz, gastrozoid; b, mouth and tentacles; and, blastostyle; gon, gonophores; secondly, the " coenosarc," or rh, hydrorhiza.
The primitive cell sends colorless tubelets (rhizoids, rh.) into the mud on which it grows.
The basal cell has less chlorophyll than the others, and is expanded and fixed firmly to the rock on which the plant grows by the basal surface, rh, thus forming a rudimentary rhizoid.
Ax., Green axis creeping on the surface of damp soil; rh., colorless rhizoids penetrating the soil; asc. ax., ascending axes of green cells.
Pt, Ir, Pd, Rh, Ru, Os; Au, Fe, Ni; Sn, Te.
- Section through a portion of the lateral eye of Limulus, showing three ommatidia - A, B and C. hyp, The epidermic cell-layer (so-called hypodermis), the cells of which increase in volume below each lens, 1, and become nerve-end cells or retinula-cells, rt; in A, the letters rh point to a rhabdomere secreted by the cell rt; c, the peculiar central spherical cell; n, nerve fibres; mes, mesoblastic skeletal tissue; ch, chitinous cuticle.
Xxm MU - RV - 0 7u g xxo A=T 1 + h [4 8u - rh 13u + g07 80 65u 4-`644K640oa7u+...
Other complex cyanides are known which may be regarded as derived from the acids H2X(CN)4, X=Ni, Pd, Pt; H 4 X(CN) 6, X= Fe, Co, Ru; H 3 X(CN) 6, X=Fe, Co, Rh; and H 2 R(CN) 6 (see Abegg, Anorganischen Chemie).
Acid amides also react to form ketones (C. Beis, ibid., 1903, 1 37, 575): R Conh 2 - E Rr' :C(OMgX) NHMgX R'H--R CO.
Hydrogen combines with fluorine, even at very low temperatures, with great violence; it also combines with carbon, at the temperature of the electric arc. The alkali metals when warmed in a current of hydrogen, at about 360° C., form hydrides of composition RH(R = Na, K, Rb, Cs), (H.
Voiceless liquids: 11 (unilateral voiceless 1); rh (voiceless r).
Initial 1 and r became 11 and rh, as seen in examples in (I) above; but between vowels they remained.
The liquids 1 and r were brought into the system, the initial forms 11 and rh being regarded as " radical."
But the daily survey of the sun (occasionally also the function of the moon as measurer of time), together with his importance for life, secured him a high moral rank; and Rh, united with the Theban Ammon, became (under the New Empire) the leading god of Egypt for a thousand years, " He who hath made all, the sole One with many hands."