OCR Text |
Show 276 ON THE ANATOMY 01<' ARAMUS SCOLOPACEUS. [Mar. 7, There are two carotid arteries; and the right jugular vein, as is frequent1y the case, is considerably the larger of the two. The trachea is simple (the specimen is a female); the syrinx is somewhat dilated; and a single pair of intrinsic muscles is continued to the bronchial half-ring. Filf·1. Fig-. 3. Fig. 1. Skull of Aramus scolopaceus, palatal view. 2. Ditto ditto lower jaw. 3. Ditto ditto top view. Myologically, the ambiens muscle is strong; the femoro-caudal (A) is absent, the accessory femoro-caudal (B) is thin and small ; the semitendinosus (X) and the accessory semitendinosus (Y) are fairly developed. Its muscle-formula II< is therefore B,XY. In all the Rallidre the formula is AB,XY, the femoro-caudal being large. In * Viele P. Z. S. 1874, p. 111. |