| Author Title Journal |
Girard CF (1854) Researches upon Nemerteans and Planarians. I. Embryonic development of Planocera elliptica. 27 pages, 3 tables, Philadelphia 1854. [Separately publ. J. Acad. Nat. Sc. Philadelphia. 2: 307-325] |
Abstract / Notes
reference from Graff Lv 1904-08 (citation)- p 1763.| Home page -- (Main hierarchy) |