. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. - ^'.:...%- '. -., S' '•::--.:-.:.::-':': I '• \v?;ffS';;;v • :•;• -; .'-«ilf ^r-l4 •'-: ^P;; •••!•/•! ^'•''•/j' '. a FIG. 6. Sixth stage of same, X45- The cephalo-thoracic appendages have been removed. Some of the details have been filled in from a study of serial sections. a, anus; ab2, second abdominal appendage ; et, anterior border of ectoderm grow- ing over first neuromere ; mx, maxillaria ; n20, twentieth neuromere ; ol, lateral eye ; si, semilunar lobe ; 4-13,4, anterior nerves of fourth to thirteenth neuromeres ; 3-
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. - ^'.:...%- '. -., S' '•::--.:-.:.::-':': I '• \v?;ffS';;;v • :•;• -; .'-«ilf ^r-l4 •'-: ^P;; •••!•/•! ^'•''•/j' '. a FIG. 6. Sixth stage of same, X45- The cephalo-thoracic appendages have been removed. Some of the details have been filled in from a study of serial sections. a, anus; ab2, second abdominal appendage ; et, anterior border of ectoderm grow- ing over first neuromere ; mx, maxillaria ; n20, twentieth neuromere ; ol, lateral eye ; si, semilunar lobe ; 4-13,4, anterior nerves of fourth to thirteenth neuromeres ; 3-7, 9-l$P, posterior nerves of corresponding neuromeres ; 20, twentieth body segment. FIG. 7. Seventh stage of same, X 45- Cephalothoracic appendages removed ; a, anus; ab2, second abdominal appendage ; chl, articulation of the chelicera ; «19+2 , fusion of the nineteenth and twentieth nerve centers ; ol, lateral eye ; omo, common neck of the two median eye sacs ; 15-20, fifteenth to twentieth body 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
