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Show 6 2 MR. F. E. BEDDARD OX THE ENCEPHALIC [M a y 1 6 , cerebellar arteries, which latter, as in other Lizards, are smaller than the posterior pair. The place at which the carotids join the circle of Willis is only just behind the third pair of cerebral Text-fig. 16. Text-fig, 17 Text-fig. 16.-Eumeces algeriensis. Ventral aspect of brain, showing chief arteries. ca. Carotids; op. Optic nerves; opth. Ophthalmic arteries; 3, third nerves. Text-fig. 17.- G er rho sau rus jlavigularis. Ventral aspect of brain, showing chief arteries. Lettering as in text-fig. 16. nerves. The order in which the remaining arteries of the brain arise is quite similar to that of the other Lizards described here, and there are 110 particular comments to be made upon them. § Brain of Tupinambis nigropunctatus. The most important branches arising on either side from the |