Proceedings of the California Academy of Sciences (Series 4), Vol. 65

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Excerpt from Proceedings of the California Academy of Sciences (Series 4), Vol. 65: September 28, 2018, Nos. 1-4, Institute for Biodiversity Science and SustainabilityPremaxillary teeth with two short canines in a cluster of teeth near tip of jaw, followed by smaller conical teeth posteriorly, and ¿anked medially by a narrow inner band of small teeth. Dentary teeth composed of 4 - 6 short recurved and spaced canines interspersed with much smaller teeth in one row. Vomer with cluster of small teeth in broadly V-shaped patch. Palatine teeth all small, in an elongated lens - shaped band.Body scales large, ctenoid, covering most of body, scales absent on top of head, snout, subor bital region, jaws, gular and branchiostegal membranes, interopercle bone, and in larger specimens, broad outer margin of preopercle, a narrow area behind orbit, and lower margin Of subopercle. No scales on dorsal and anal fins, but small scales present at bases of pectoral, pelvic, and caudal fins.First 4 - 6 spines of dorsal fin graduated, the spines following subequal, the segmented rays Slightly higher, forming a Slight notch in profile of dorsal fin. Anal-fin spines graduated, the first less than half length of second and third spines, segmented rays longer than spines, the last three or four segmented rays longest. Pectoral fin broad-based, its origin slightly behind that of pelvic fin and about on same vertical as origin of dorsal fin, its distal tip extending close to or over origin of anal fin. Tip of second pelvic-fin ray developed into a Short filamentous streamer. Caudal fin lunate, upper caudal lobe with a Short filamentous streamer and longer than lower lobe.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.