. Fig 0 Reconstruction of hinder part of body, showing trunk musculature and cardiac nerve supply seen from the animal's left side. The heart is machine stippled, attachment of pericardial floor to latera body wall- dim. dorsal longitudinal muscle; dorso-ventral body retractor muscle; branch ot lateral subpericardial muscle running to hepatic valve; lateral subpericardial muscle; anterior cardiac nerve; cardiac nerve; posterior cardiac nerve; pericardiac nerve; , fourth shell nerve; pericardio-furcal muscle.

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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti