CowLEs: Tropical Crustacea, II.] 



[Phil. Journ. Sci., X, D, No. 1. 



Fig. 1. A band of crabs on a tide flat. 





Fig. 2. Piles of sand above the burrows of Myctiris. 



Fig. 3. A vertical median section of a burrow. 

 PLATE II. MYCTIRIS LONGICARPUS LATREILLE. 



