. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. ACTINOPTERYGIAN InTERRELATIONSHII'S • Ldudcv (iml IJou 157. Figure 43. Cardiac morphology in the gobiesociforms Alabes dorsalis and Gobiesox papillifer. A. ventral view of the heart and great vessels in Alabes; B. ventral view of the heart and great vessels in Gobiesox. C. dorsal view of the heart and great vessels in Alabes. D. lateral view of the right side of the heart of Alabes. Abbreviations: ABA,.,, afferent branchial arteries 1-3; ACC, accessory common cardinal chamber; ACV, anterior car- dinal vein; AT, atrium

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. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. ACTINOPTERYGIAN InTERRELATIONSHII'S • Ldudcv (iml IJou 157. Figure 43. Cardiac morphology in the gobiesociforms Alabes dorsalis and Gobiesox papillifer. A. ventral view of the heart and great vessels in Alabes; B. ventral view of the heart and great vessels in Gobiesox. C. dorsal view of the heart and great vessels in Alabes. D. lateral view of the right side of the heart of Alabes. Abbreviations: ABA, ., , afferent branchial arteries 1-3; ACC, accessory common cardinal chamber; ACV, anterior car- dinal vein; AT, atrium; BA, bulbus arteriosus; ES, esophagus; HV, hepatic vein; PCV, posterior cardinal vein; SV sinus venosus; V, ventricle; VA, ventral aorta. acter coinple.xes occur in two functional dorsalis muscle (Fig. 44:RD) that inserts units: the pharyngeal jaw apparatus and principally or entirely on the third pha- the oral jaw mechanism. ryngobranchial. In addition, the second The upper pharyngeal jaw apparatus is and third epibranchials are enlarged, characterized by a specialized retractor forming the principal structural support. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum