United States or Syria ? Vote for the TOP Country of the Week !


Caught by hook, 12th May, 1841. No. 54. Native name, MATCHET. "Common blue shark" of the settlers. Specimen four feet and a half long; have been seen longer. A female had four young alive when taken. Spiracles behind the eyes. Caught by hook, 16th August, 1841. No. 26 CESTRACION PHILIPPI, Mull. and Henle. Native names, MATCHET, KORLUCK, or QUORLUCK. "Bull-dog-shark" of the sealers.

Eschara disticha. White chalk. a. Natural size. b. Escharina oceani. a. Natural size. b. Part of the same magnified. A branching sponge in a flint, from the white chalk. From the collection of Mr. The general absence of univalve mollusca in the white chalk is very marked. Palatal tooth of Ptychodus decurrens. Lower white chalk. Cestracion Phillippi; recent. Port Jackson.

In Siluria, he understood, Sir Roderick Murchison called the horseshoe a Limulus , which helped nothing. Neither in the Limulus nor in the Terebratula , nor in the Cestracion Philippi ,any more than in the Pteraspis, could one conceive an ancestor, but, if one must, the choice mattered little. Cousinship had limits but no one knew enough to fix them.