. •5 mm ^O Fig. 4. Euphrosyne arctia. a. Gill. b. "Ringent" bristle, c. " Ringent" bristle, d. Smooth dorsal bristle. e. Intermediate dorsal bristle. partly hidden behind the front of the buccal folds: the mouth reaches to the anterior border of the 5th chaetiger. The caruncle is high, and apparently composed of a single lobe superficially divided by longitudinal grooves running along both sides; it reaches to the anterior border of the 6th chaetiger. The branchiae begin on the ist chaetiger and are arranged in transverse rows of five trunks on either side. These trunks (Fi
. •5 mm ^O Fig. 4. Euphrosyne arctia. a. Gill. b. "Ringent" bristle, c. " Ringent" bristle, d. Smooth dorsal bristle. e. Intermediate dorsal bristle. partly hidden behind the front of the buccal folds: the mouth reaches to the anterior border of the 5th chaetiger. The caruncle is high, and apparently composed of a single lobe superficially divided by longitudinal grooves running along both sides; it reaches to the anterior border of the 6th chaetiger. The branchiae begin on the ist chaetiger and are arranged in transverse rows of five trunks on either side. These trunks (Fig. 4, a) branch four times and end in curious
Size: 1372px × 3644px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectscientificexpedition
