The first rib is a very stout, strongly curved, compressed bone, thirteen inches in length from tip to tip, while the fifth, which is longest, is twenty-six inches. Only the first seven have a double articulation with the vertebral column. The sternum consists of three segments, and shows four articulations, its total length being sixteen inches. The hyoid is a crescentic bone twelve inches in length. The pelvic bones are prismatic styliform bones, nine inches in length. The scapular is triangular and strongly ridged, the posterior edge forming an angle of 35° to the plane of the articulation. Acromion thin, expanded, and incurved; corocoid thicker; both three inches long, or one-fifth the length of the superior edge. Humerus and arm bones firmly united. Manus long and pointed, the second digit being the longest. The number of phalanges is as follows:— I., 4; II., 13; III., 10; IV., 3; V., 1. Description of Plates. Sketch of the External Form, pl. XIII. Cervical mass. Pl. XIIIa., Fig. 1. 13th vertebra. Fig. 2. 23rd " Fig. 3. 39th " Fig. 4. Scapula Fig. 5. 1st rib. Fig. 6. 5th Rib. Fig. 7. Sternum. Fig. 8. Hyoid bone. Fig. 9. Pelvic bone. Fig. 10, a, male; b, female.

Art. LXVII.—Fish and their Seasons. By P. Thomson. [Read before the Otago Institute, August 1st, 1876.] The following table had its origin in a conversational discussion which took place at one of the meetings of the Institute during last session. It was mentioned, among other things, that there was a good deal of doubt about the times when the ordinary food fishes were actually in season, and a few particulars as to the length of time they were to be caught might be useful. In the hope that the following may go some way towards supplying what was wanted, I venture to bring it before the members of the Institute. I may state that the mode adopted in gathering the information was by noting down the various sorts of fish exposed for sale in the windows of the fishmongers' shops, as well as by occasional enquiries elsewhere. The work was begun on the 1st August, 1875, and was continued daily till the 31st July of the present year. During a short absence from Dunedin the notes were taken by a friend, who adopted the same method.