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Fig. 9. Glossosiphonia complanata. 
Fig. 10. Glossosiphonia complanata. 
Fig. 9. Glossosiphonia complanata. Diagram showing dorsal pattern and annulation. Somites 
numbered in Roman numerals and rings in figures. 
Fig. 10. The same. Ventral view of alimentary and reproductive systems, mth. Mouth, prb. 
Proboscis. Sal. g. Salivary glands. Gr. Crop. st. Stomach.' int. Intestine, an. Anus, vas d. Vas 
deferens, t 1, t 10, testes of the first and tenth pairs. Ov. Ovary. (Schematic.) 
