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cob•ble•stone (ˈkɒb əlˌstoʊn) n. a naturally rounded stone, larger than a pebble and smaller than a boulder, formerly used in paving. [1400–50; late Middle English cobylstone]
cob•ble•stone (ˈkɒb əlˌstoʊn)
n.
a naturally rounded stone, larger than a pebble and smaller than a boulder, formerly used in paving.
[1400–50; late Middle English cobylstone]

A Photo a day (276 of 365)

Cockroach Common household roaches A) German cockroach B) American cockroach C) Australian cockroach D&E) Oriental cockroach (♀ & ♂) Scientific classification Kingdom: 	Animalia Phylum: 	Arthropoda Subphylum: 	Hexapoda Class: 	Insecta Subclass: 	Pterygota Infraclass: 	Neoptera Superorder: 	Dictyoptera Order: 	Blattodea Families Blaberidae Blattellidae Blattidae Cryptocercidae Polyphagidae Nocticolidae Tryonicidae Lamproblattidae Cockroaches are insects of the order Blattaria or Blattodea, of which about 30 species out of 4,500 total are associated with human habitats.
Cockroach
Common household roaches
A) German cockroach
B) American cockroach
C) Australian cockroach
D&E) Oriental cockroach (♀ & ♂)
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Subclass: Pterygota
Infraclass: Neoptera
Superorder: Dictyoptera
Order: Blattodea
Families
Blaberidae
Blattellidae
Blattidae
Cryptocercidae
Polyphagidae
Nocticolidae
Tryonicidae
Lamproblattidae
Cockroaches are insects of the order Blattaria or Blattodea, of which about 30 species out of 4,500 total are associated with human habitats.