308 TAXIDERMY AND ZOOLOGICAL COLLECTING. 



Acerata. 



Class 1. CRUSTACEA (Barnacles, Crabs, etc.). 

 Class II. AKACIINIDA. 



Orders : 



1. Acarina (Mites). 



2. Araneina (Spiders). 



o. Pedipalpi (Whip-scorpions, etc.). 



4. Solpugae (Whip-scorpions). 



5. Pseudoscorpii (False Scorpions). 

 0. Scorpiodea (True Scorpions). 



Class III. PANTOPODA ( Pycnogonida, Sea-spiders). 



Class IV. TARDIGKADA (Macrobiotus, etc.). 



Class V. GIGANTOSTRACA (Horse-shoe Crabs, Tiilobites, etc.). 



Class VI. LINGUATULINA (Pentastoma, etc.). 



