Order (vi.) Chernetidea (= Pseudoscorpiones).

Order (vii.) Podogona.

Order (viii.) Phalangidea (= Opiliones).

Order (ix.) Acarina.

Appendices

(i.) Tardigrada.

(ii.) Pentastomida.

CHAPTER X
ARACHNIDA (CONTINUED)—DELOBRANCHIATA = MEROSTOMATA—XIPHOSURA

SUB-CLASS I.—DELOBRANCHIATA = MEROSTOMATA.

Order I. Xiphosura.[[206]]