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7-20-8

(1907), a “comedy of to‐day” by Augustin Daly. [Daly's Theatre, 49 perf.] Portrait of a Lady, picture #728 at the annual Academy exhibition, so lovingly depicts a beautiful woman ...

divisive method

divisive method  

A system of hierarchical classification that proceeds by subdividing the whole into successively smaller and more homogeneous units.
nomen substitutum

nomen substitutum  

In taxonomy, a new, replacement name, published as a substitute for an invalid one (e.g. a junior synonym).
nomen illegitimum

nomen illegitimum  

In taxonomy, a name that must be rejected under the rules of the Code and is therefore illegitimate.
centric fusion

centric fusion  

The whole-arm fusion of chromosomes by the joining together of two acentric chromosomes to form one metacentric chromosome.
Pyrus

Pyrus  

(pears; family Rosaceae)A genus of deciduous, sometimes thorny trees and shrubs, that have simple leaves and flowers borne in umbel-like clusters. There are 5 sepals, 5 petals, 20–30 purple stamens, ...
nomen invalidum

nomen invalidum  

In taxonomy, a name that has not been published properly, or is unavailable, and which is therefore invalid.
imitation

imitation  

The acquisition of patterns of behaviour by repeating similar behaviour observed in others, not necessarily of the same species.
holozoic

holozoic  

Describing organisms that feed by ingesting complex organic matter, which is subsequently digested and absorbed. See heterotrophic nutrition; ingestion.
palaeospecies

palaeospecies  

The successive species in a phyletic lineage that are given ancestor and descendant status according to the geological strata in which they appear. See anagenesis.
Antipatharia

Antipatharia  

; phylum Cnidaria, class Anthozoa)An order of colonial, branching corals in which the polyps are small, with few tentacles (six simple, or eight branched) and few unpaired mesenteries (6, 10, or 12). ...
pectinolytic

pectinolytic  

Capable of digesting pectin, the material that acts as a kind of cement between the cells of higher plants.
Sindora

Sindora  

(family Fabaceae, subfamily Caesalpinoideae)A genus of big trees which have pinnate leaves. There are 4 sepals, 1 petal, 9 fused stamens, and 1 free stamen. The fruit is a flat, rounded, woody, ...
resting cell

resting cell  

Any cell (nucleus) not undergoing division. The cell (nucleus) is nevertheless very active metabolically. See cell cycle.
telolecithal

telolecithal  

An egg in which the yolk occurs at one end of the cytoplasm, giving rise to a vegetal pole. Mesolecithal and macrolecithal eggs are also telolecithal. Compare isolecithal.
oosphere

oosphere  

The female gamete contained within an oogonium. Fertilization of an oosphere is followed by the development of an oospore.
neutralism

neutralism  

The situation in which two species populations coexist, with neither population being affected by its association with the other.
nomen neglectum

nomen neglectum  

In taxonomy, a name that was published at some time in the past, but has subsequently been overlooked.
molecular hybridization

molecular hybridization  

The artificial synthesis of double strands of polynucleotide molecules by binding together complementary strands of RNA and/or DNA. Such techniques permit the estimation of genetic similarity between ...
pulvillus

pulvillus  

The last segment of the foot in an insect. It has a pad with a claw on either side.
phalanger

phalanger  

; order Marsupialia (or Diprotodontia), superfamily Phalangeroidea)A family of mainly arboreal, herbivorous marsupials in which the hallux is well developed and often opposable and the tail is long ...

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