Biology ((c1917)) (19759425494)

Title: Biology
Identifier: biologycalk00calk (find matches)
Year: (c1917) ((c10s)
Authors: Calkins, Gary N. (Gary Nathan), b. 1869
Subjects: Biology
Publisher: New York, H. Holt and company
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library



Text Appearing Before Image:
NERVOUS SYSTEM OF THE EARTHWORM 151 ns.
Text Appearing After Image:
vn.c. FIG. 60.—Anterior part of the worm laid open to show the ventral organs, c.c., Circum-oesophageal commissures; e.g., cerebral ganglia; ds., dissepiment; /, funnel of nephridium; np, nephridium; o, ovary; od, oviduct; ph, pharynx; ps, prostomium; r.s., seminal receptacle; s.d., sperm duct; s.f., sperm funnel; s.v.L, lateral seminal vesicle; t, testis; v.g. and v.n.c., ventral nerve cord. (From Sedgwick and Wilson.)