Smithsonian Institution · Washington : Smithsonian Institution · leaf 408
e animals without exception. It is also wanting in the Amphioxua, the connecting links between Fishes and the higher forms of the Mollusca. In the Cyclostomi and Lepadogaster, it is said to be of such small size as to be readily overlooked. It varies much in size, form, and position, in different… … Fig. 22. Stomach, spleen, and pancreas of the Hammerhead Shark (Zi/gmnn malleus) reduced one-half diameter. A. Superior portion of stomach. B. Stomach. C, C. Spleen. D, D, D. Small intestine. 1', P, P. Pancreas. Fig. 23. Stomach, spleen, and pancreas of Congo Snake (Amphiuma means) reduced one-half…
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