The Cambridge natural history, Vol. 04 (of 10)Note 223 — Chapter X · ARACHNIDA (CONTINUED)—DELOBRANCHIATA = MEROSTOMATA—XIPHOSURAReading editionQuart. J. Micr. Sci. xxxi., 1890, p. 317.◇Copy noteReturn to CHAPTER X ARACHNIDA (CONTINUED)—DELOBRANCHIATA = MEROSTOMATA—XIPHOSURA