SYRINGOPORA (Gr. _surigx_, a pipe; _poros_, a pore). A genus of
Tabulate Corals.
TABULAE. (Lat. _tabula_, a tablet). Horizontal plates or floors
found in some Corals, extending across the cavity of the "theca"
from side to side.
TEGUMENTARY (Lat. _tegumentum_, a covering). Connected with the
integument or skin.
TELEOSAURUS (Gr. _teleios_, perfect; _saura_, lizard). An extinct
genus of Crocodilian Reptiles.
TELEOSTEI (Gr. _teleios_, perfect; _osteon_, bone). The order
of the "Bony Fishes."
TELSON (Gr. a limit). The last joint in the abdomen of _Crustacea_;
variously regarded as a segment without appendages, or as an
azygous appendage.
TENTACULITES (Lat. _tentaculum_, a feeler). A genus of _Pteropoda_.
TEREBRATULA (Lat. _terebratus_, bored or pierced). A genus of
_Brachiopoda_, so called in allusion to the perforated beak of
the ventral valve.
TEST (Lat. _testa_, shell). The shell of _Mollusca_, which are
for this reason sometimes called "_Testacea_;" also, the calcareous
case of _Echinoderms_; also, the thick leathery outer tunic in
the _Tunicata_.
TESTACEOUS. Provided with a shell or hard covering.
TESTUDINIDAE (Lat. _testudo_, a tortoise). The family of the
Tortoises.
TETRABRANCHIATA (Gr. _tetra_, four; _bragchia_, gill). The order
of _Cephalopoda_ characterised by the possession of four gills.
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