The elasmobranch fishes (1934) The elasmobranch fishes elasmobranchfish03dani Year: 1934 THE ELASMOBRANCII FISHES 105 Superfieial to this ventral region in tlie rays, arising from the fascia of the ventral longitndinal nmscle (the coraeomandihnlaris), is a depressor rostri {, fig. 107). This is inserted far forward between the end of the propter- ygium and the tip of the rostrum {Raja). It has a balancing effect on the levator rostri (see fig. 105, ) previously described. Deeper Muscles of Pharynx The interbranchials of more specialized Elasmobranchs are usually more completely separa

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The elasmobranch fishes (1934) The elasmobranch fishes elasmobranchfish03dani Year: 1934 THE ELASMOBRANCII FISHES 105 Superfieial to this ventral region in tlie rays, arising from the fascia of the ventral longitndinal nmscle (the coraeomandihnlaris), is a depressor rostri {, fig. 107). This is inserted far forward between the end of the propter- ygium and the tip of the rostrum {Raja). It has a balancing effect on the levator rostri (see fig. 105, ) previously described. Deeper Muscles of Pharynx The interbranchials of more specialized Elasmobranchs are usually more completely separated from the constrictors into distinct bundles than are

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