Note 236 — Chapter XI · ARACHNIDA (CONTINUED)—DELOBRANCHIATA = MEROSTOMATA (CONTINUED)—EURYPTERIDA
Reading edition
Peach, Nature, xxxi., 1885, p. 295; Pocock, Quart. Journ. Micr. Sci. xliv., 1901, p. 291; Laurie, Trans. Roy. Soc. Edinb. xxxix., 1899, p. 575.