10 LIBRI IN INGLESE ASSOCIATI CON «TETRACTINE»
Scopri l'uso di
tetractine nella seguente selezione bibliografica. Libri associati con
tetractine e piccoli estratti per contestualizzare il loro uso nella letteratura.
1
Memoirs of the Museum of Comparative Zoölogy at Harvard College
Middle-sized, fairly regular, dermal tetractine (stauractine) of specimen B;
magnified 600; phot. Zeiss, apochr. 4, compens. oc. 12. 2. — Small dermal
tetractine with rudiment of a fifth ray, of specimen B; magnified 600; phot. Zeiss,
H. I. apochr.
Harvard University. Museum of Comparative Zoology,
1915
Bathydorus laevia spinosissimus Lnmnzm-m.n. l.— Middle-sized, fairly regular,
dermal tetractine (stauractine) of specimen B; magnified 600; phot. Zeiss, apochr.
4, compens. oc. 12. 2.— Small dermal tetractine with rudiment of a fifth ray, ...
Harvard University. Museum of Comparative Zoology,
1915
21) are obviously tetractine-derivates, in which one of the rays has quite
disappeared. They are more frequent in var. robusta than in var. gracilis,
measure in both 330-760 n in total length, and have rays about 37-42 n thick in
the former, and ...
4
Bulletin of the American Museum of Natural History
Tetractine. — By the suppression of two arms of the Triaxon a Tetractine is
formed, in which the following modifications may take place: 1. Tricene. — Three
short arms and one long arm, not in same plane. Identical in form but not in
derivation ...
5
A Monograph of the Horny Sponges
A tetractine spicule. The rays at right angles in a Darwinella australiensis. X 50.
Darwinella australiensis. Darwinella australiensis. Darwinella australiensis.
Darwinella aurea. plane. X 20. Darwinella aurea. A hexactine spicule. The rays
form ...
6
Report on the scientific results of the voyage of H.M.S. ...
Group IL Classification op the Tetraxons. 1. Tetractine. — When all four actines of
a tetraxon are present it is of course a tetractine, but as the full designation of this
required to distinguish it from a tetractinose 1 Of course the plural form should ...
Great Britain. Challenger Office, Sir Charles Wyville Thomson, Sir John Murray,
1888
7
Report on the scientific results of the voyage of H.M.S. ...
Tetractine. — When all four actines of a tetraxon are present it is of course a
tetractine, but as the full designation of this required to distinguish it from a
tetractinose 1 Of course the plural form should be "desmata," but in this and all
similar ...
Great Britain. Challenger Office, Sir Charles Wyville Thomson, Sir John Murray,
1888
( l998) tested the monophyly of the order Tetractinell- ida. as well as the
monophyly of different taxa within this order. and the homology of tetractine
spicules and of different asterose microscleres. The monophyly of Tetractinellida
was supported ...
Antonio M. Solé-Cava, Claudia A.M. Russo, John P. Thorpe,
2000
9
Radiolarian biostratigraphy of middle-upper Jurassic pelagic ...
exquisitum I-Iull, IN 3, UAZ D, x200 SPONGE SPICULES (PORIFERA) 4 -
Criccorhabd (Diactine), BB 21, UAZ E-F, x200 5 - Tylostyle (Monoactine), VN 6.10
, UAZ D, x100 6 - Anatriaene (Tetractine), CI 14, UAZ E, x50 7 - Criccorhabd (
Diactine), ...
10
Treatise on Invertebrate Paleontology
The calthrops (or regular tetractine) and branched variants; 1, simple calthrops
with unbranched rays; 2, dichocalthrops with each ray branched dichoto- mously;
3-7, lophose tetractines with rays divided into groups of 4 branches; 3, ...