I to VI, The six prosomatic limbs cut short. o, The eyes. b, c, Demarcated areae of the cephalic or first prosomatic plate corresponding respectively to appendages I, II, III, and to appendage IV. d, Second plate of the prosoma-carrying appendage V. e, Third plate of the prosoma-carrying appendage VI. The prae-genital somite is absent.
1, First somite of the opisthosoma.
2, Second do.
S, Prosomatic tracheal aperture between legs IV and V.
S′ and S″, Opisthosomatic tracheal apertures.
10, Tenth opisthosomatic somite.
This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.