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But his limbs became numb, and when they laid him down on the shore of the lake he stayed moveless. Soon he grew cold. They dug a grave for Nauplius beside the lake, and in that desert land they set up his helmsman's oar in the middle of his tomb of heaped stones.
In the Hermit Crabs a similar, usually moveable, spiniform process occurs as the remains of the scale; their Zoeae have a well-developed but inarticulate scale. A precisely similar scale is possessed by the adult Prawns, in the Zoeae of which it exists still in a jointed form, like the outer branch of the second pair of feet of the Nauplius or Peneus-Zoea.
But not all of them reached the Argo. On his way back to the ship, Nauplius, the helmsman, met his death. A sluggish serpent was in his way it was not a serpent that would strike at one who turned from it. Nauplius trod upon it, and the serpent lifted its head up and bit his foot. They raised him on their shoulders and they hurried back with him.
To such a generalized embryonic form to which the insects may be referred as the descendants, we would give the name of Leptus, as among Crustacea the ancestral form is referred to Nauplius, a larval form of the lower Crustacea, and through which the greater part of the Crabs, Shrimps, Barnacles, water fleas, etc., pass to attain their definite adult condition.
And after him Erginus and Nauplius and Euphemus started up, eager to steer. But the others held them back, and many of his comrades granted it to Ancaeus. So on the twelfth day they went aboard at dawn, for a strong breeze of westerly wind was blowing.
The larva still continues like a Nauplius, as the three anterior pairs of limbs represent rowing feet; at the next moult it is converted into the youngest Cyclops-like state, when it resembles the adult animal in the structure of the antennae and buccal organs, although the number of limbs and body segments is still much less, for only the rudiments of the third and fourth pairs of natatory feet have made their appearance in the form of cushions fringed with setae, and the body consists of the oval cephalothorax, the second, third, and fourth thoracic segments, and an elongated terminal joint.
The Nauplius form of the embryo or larva of nearly all Crustacea, also points back to the worms as their ancestors, the divergence having perhaps originated, as we have suggested, in the Rotatoria.
But he neither made any inquiry after the authors, nor when information was laid before the senate against some of them, would he allow a severe sentence to be passed. Isidorus, the Cynic philosopher, said to him aloud, as he was passing along the streets, "You sing the misfortunes of Nauplius well, but behave badly yourself."
He who had braved so many seas and so many storms lost his life away from the ship. The Argonauts made a tomb for him on the shore of that land a great pile of stones, in which they fixed upright his steering oar. Then they set sail again, and Nauplius was made the steersman of the ship. The course was not so clear to Nauplius as it had been to Tiphys.
He assumes that the primary stock of the whole group was a crustacean, having that Nauplius form in which Fritz Müller has shown that so many Crustacea commence their lives. All the Entomostraca arose by the modification of some one or other of these Naupliform "Archicarida." Other Archicarida underwent a further metamorphosis into a Zoaea-form.
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