Even in the closely-related lobster (Homarus) the mid-gut may be 2 or 3 in.
When the eye-stalk is removed from a living lobster or prawn, it is found that under certain conditions a many-jointed appendage like the flagellum of an antennule or antenna may grow in its place.
There is every reason to believe 2, Gastric teeth of common that, in the primitive Arthropoda, lobster, Homarus vulgaris.
Giesbrecht, displacing the older name Ascomyzontidae, assigns to this family 21 genera in five subfamilies, and suggests that the long-known but still puzzling Nicothoe from the gills of the lobster might be placed in an additional subfamily, or be made the representative of a closely related family.
Many of the larger species of Crustacea are used as food by man, the most valuable being the lobster, which is caught in large quantities on both sides of the North Altantic. Perhaps the most important of all Crustacea, however, with respect to the part which they play in the economy of nature, are the minute pelagic Copepoda, of which incalculable myriads form an important constituent of the " plankton " in all the seas of the globe.
- Abdominal Somite of a Lobster, separated and viewed from in front.
We need only mention the Mysis-stage (better termed Schizopodstage) found in many Macrura (as, for example, the lobster), which differs from the adult in having large natatory exopodites on the thoracic legs.
The earliest forms, from the Lower Oolite and later, belonging chiefly to the extinct family Prosoponidae, have been shown to have close relations with the most generalized of existing Brachyura, the deep-sea Homolodromiidae, and to link the Brachyura to the Homarine (lobster-like) Macrura.
For the protection and promotion of the lobster fishery the United States government has established a lobster hatchery at Boothbay Harbor; and the state legislature enacted a law in 1895 prohibiting the taking of lobsters less than 102 in.
In length (one effect of this law being to drive the lobster-canning industry from the state) and another law in 1903 for the protection of lobsters with eggs attached.
On account of the importations from Canada, Chesapeake Bay and the Great Lakes, the mackerel, cod and menhaden fisheries declined, especially after 1860, and the oyster and lobster fisheries are not as important as formerly.
They had decided on baked stuffed lobster and Crème Brûlée, two of his favorites.
Jessi fumbled with the lobster clasp on the black cord necklace, completely shaken by his size and heat.
The herring, cod, lobster and crab fisheries are prosecuted.
Thele is no lobster on the coasts of Japan, but there are various species of cray-fish (Palinurus and Scyliarus) the principal of which, under the names of ise-ebi (Palinurus japonicus) and kuruma-ebi (Penaeus canaliculatus) are greatly prized as an article of diet.
The early larval stage of the " Lobster Moth " (Stauropus fagi), for example, presents a general resemblance, due to a combination of shape, colour, attitude and movements, to black ants, the swollen head and the caudal disk with its two tentacles representing respectively the abdomen and antenna-bearing head of the model.
- The Separated Somites and Appendages of the Common Lobster (Homarus gammarus).
A curious form (Stichocotyle) described in an immature condition by Cunningham from the lobster and Norway lobster probably belongs to this order.
The huge beak, looking like the great claw of a lobster, more than 8 in.