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As most of the Placentals have not this process, we can, with some probability, recognise the Marsupial from this feature alone. Most of the mammal remains that we have from the Jurassic and Cretaceous deposits are merely lower jaws, and most of the jaws found in the Jurassic deposits at Stonesfield and Purbeck have the peculiar hook-like process that characterises the lower jaw of the Marsupial.
Apart from a few details, which are of no importance here, we may repeat this sketch of the Anoxia-grub and we shall have, if the size be at least quadrupled, a picture of the larva of Oryctes nasicornis, the monstrous prey of the Garden Scolia. Its general appearance is the same: there is the same exaggeration of the belly; the same hook-like curve; the same incapacity for standing on its legs.
A Turik on the Baram River, in Borneo, refused to part with some hook-like stones, because they, as it were, hooked his soul to his body, and so prevented the spiritual portion of him from becoming detached from the material.
From the bases of the valves spring three or more pairs of hook-like processes which, if Fate decides upon a certain coral host, encircle a slim "twig," creating for the mollusc a curious resemblance to a short-limbed sloth hugging tightly the branch of a tree. When the spat happens to settle in places where coral is not available the hooks or arms are but crudely developed.
From his pocket the took out a knife containing a number of implements, amongst them a hook-like contrivance. "Have you a button-hook, Petrie," he asked, "or anything of that nature?" "How will this do?" said the Inspector, and he produced a pair of handcuffs. "They were not wanted," he added significantly. "Better still," declared Smith.
He does not scissor his way across, but bit by bit sinks the tip of one jaw, hook-like, into the surface, and brings the other up to it, slicing through the tissue with surprising ease. He stands upon the leaf, and I always expect to see him cut himself and his load free, Irishman-wise. But one or two of his feet have invariably secured a grip on the plant, sufficient to hold him safely.
Fritz Muller states that certain species of Melita are distinguished from all other amphipods by the females having "the coxal lamellae of the penultimate pair of feet produced into hook-like processes, of which the males lay hold with the hands of the first pair."
In the case of those composes of the other varieties of stone already named, the surface was commonly coated either with stucco or with marble facings attached by hook-like clamps fixed into the main structure Externally the appearance of Rome so far as its public buildings are concerned-was that of a city of marble.
The coxal lamellae of the penultimate pair of feet are produced into hook-like processes, of which the male lays hold with the hands of the first pair of feet. The two species in which I am acquainted with this structure are amongst the most salacious animals of their order, even females which are laden with eggs in all stages of development, not unfrequently have their males upon their backs.
The firefly has a hook-like integument on its body by which it is easily fastened to the hair or dress without any harm to itself. It seems as though nature had anticipated this peculiar use of the "lightning-bug," and so provided the necessary means for the purpose.
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