. Annals of the Carnegie Museum. Carnegie Museum; Carnegie Museum of Natural History; Natural history. 78 Annals of the Carnegie Museum. its base to the dorsal; skull slightly rounded, narrowed forward; frontal fontanel extending to above the anterior margin of the pupil, narrower ^--•v.^ than the parietal, but of about equal length; mouth very oblique, narrow, a distinct angle be- tween the premaxillary and the maxillary, the upper anterior margin of which is rounded; lower jaw with about ten conical teeth, the first small, the next two larger and equal, the third very long, the middle one of


. Annals of the Carnegie Museum. Carnegie Museum; Carnegie Museum of Natural History; Natural history. 78 Annals of the Carnegie Museum. its base to the dorsal; skull slightly rounded, narrowed forward; frontal fontanel extending to above the anterior margin of the pupil, narrower ^--•v.^ than the parietal, but of about equal length; mouth very oblique, narrow, a distinct angle be- tween the premaxillary and the maxillary, the upper anterior margin of which is rounded; lower jaw with about ten conical teeth, the first small, the next two larger and equal, the third very long, the middle one of the remainder largest; a pair of small conical teeth behind the first pair of the front series; premaxillary with three con- ical teeth in an outer series and four long conical teeth graduated from the large first one, a min- ute notch on one or both sides of these teeth near their tip; maxillary with about twenty con- ical teeth, smallest and close-set near the pre- maxillary ; second suborbital leaving a wide naked margin; gill-rakers 7 + 13, the lower limb of the arch long; adipose lid leaving only the pupil free. Lateral line complete, sharply decurved on its first four scales and then running straight to the middle of the lower caudal lobe; fins naked; axillary scales large; a large flap just above the pectoral more than half the length of the head. Dorsal very small, its origin equidistant from base of middle caudal rays and head or nearer the former; adipose fin small; anal low, its origin under the origin of the dorsal; ventrals very small, almost half as long as the head; pectorals large, longer than head. A dusky stripe from upper angle of opercle to the middle of the Fig. I. Mouth oiA. anchovia Eig. (greatly enlarged). 2. Corydoras metae Eigenmann. (Plate XIV, Fig. i.) Only the type of this species is known. The description in the Indiana University Studies, No. 23, 1914, p. 230, is supplemented by the figure cited above. 3. Otocinclus spectabilis Eigenma


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectnaturalhistory, booky