Quotes4study

sf, The sub-frontal median sclerite. Ch, The chelicerae. cam, The camerostome or upper lip. M, The mouth. pmst, The promesosternal sclerite of chitinous plate, unpaired. mets, The right and left metasternites (corresponding to the similarly placed pentagonal sternite of Scorpio). Natural size. Entry: 5

Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral"     1910-1911

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