- Head and Jaws of Cockroach (Blatta).
In reference to the structure From Nussbaum in Miall and Denny, The Cockroach, Lovell Reeve & Co.
The pulvillus is From Miall and Denny, The Cockroach, Lovell Reeve & Co.
From Miall and Denny, The Cockroach, Lovell Reeve & Co.
- Brain of Cockroach from side.
- Cross section of Embryo of German Cockroach (Phyllo- labrum represent, as already said, an unpaired median outgrowth dromia).
In the cockroach embryo, before the segmentation of the germ-band has begun, the primitive germ-cells can be recognized at the hinder end of the mesoderm, from whose ordinary cells they can be distinguished by their larger size.
The American cockroach (Periplaneta americana) is larger than the former, and is not uncommon in European seaports trading with America, being conveyed in cargoes of grain and other food produce.
On the moors in late summer the mantis (kama-kiri-niushi) is commonly met with, and the cricket (kurogi) and the cockroach, abound.
In Trinidad the young are esteemed a great delicacy for the table by many, though some persons object to their peculiar scent, which resembles that of a cockroach (Blatta), and consequently refuse to eat them.
Usually present on the thighs, shins and feet so delicate as to be termed " hairs," others After Miall and Denny, The Cockroach, Lovell Reeve & Co.
- Legs and Ventral Thoracic Sclerites of Female Cockroach (Blatta).
On the inner surface are two horn-like processes in contact with a After Miall and Denny, The Cockroach, Lovell Reeve & Co.
From Miall and Denny (after Newton), The Cockroach, Lovell Reeve & Co.
The dorsal vessel is prolonged anteriorly into an aorta, through which the blood is propelled into the great After Miall and Denny, The Cockroach, Lovell body-cavity or haemoReeve & Co.
- Ovaries of Cockroach, with Oviducts Od and Colleterial Glands CG.
The From Nussbaum in Miall and Denny's, Cockroach, Lovell outer of these two Reeve & Co.
- Cross sections through Abdomen of German Cockroach Embryo.
Denny, Structure and Life-history of the Cockroach (London, 1886); B.
Denny's Cockroach (London, 1886), and L.
COCKROACH 1 (Blattidae), a family of orthopterous insects, distinguished by their flattened bodies, long thread-like antennae, and shining leathery integuments.
The common cockroach (Stilopyga orientalis) is not indigenous to Europe, but is believed to have been introduced from the Levant in the cargoes of trading vessels.
See generally Miall and Denny, The Structure and Life History of the Cockroach (1887); G.
Eugereon is a remarkable Permian fossil, with jaws that are typically hemipterous except that the second maxillae are not fused and with cockroach-like wings.
Information as to the internal structure of a typical orthopteron - the cockroach - will be found under Hexapoda.
- Egg-purse of American Cockroach (Periplaneta americana).
Denny, The Cockroach (London, 1886); E.
- Common Cockroach (Blatta orientalis); a, female: b, male; c, female (side view); d, young.