REPORT ON THE BRACHYURA. 
271 
Sesarma schiittei, Hess. 
Sesarma schiittei, Hess, Archiv f. Naturgesch., vol. xxxi. p. 150, pi. vi. fig. 11*, 1865. 
„ „ Kingsley, torn, cit., p. 217, 1880. 
„ „ Haswell, Cat. Aust. Crust., p. 109, 1882. 
New South Wales, Hawkesbury, brackish water (an adult male). 
This specimen is without the chelipedes, but it agrees in all particulars with the 
description of Hess. The colour (in spirit) is purplish or blackish-brown. 
Adult $ . Lines. Millims. 
Length of carapace, nearly . . . . . . 8-|- 17 '5 
Breadth of carapace, nearly . . . . . .10 20 - 5 
Sesarma ( Holometopus ) aubryi, A. Milne Edwards. 
Sesarma ( Holometopus ) aubryi, A. Milne Edwards, Nouv. Archiv. Mus. Hist. Nat., vol. v., 
Bulletin, p. 29, 1869 ; vol. ix. p. 307, pi. xvi. fig. 3, 1873. 
,, aubryi, Kingsley, tom. cit., p. 214, 1880. 
New Hebrides, Api (in sea- water), a series of specimens (males and females) ; Arrou 
Islands (a female); Wild Islands, Admiralty Island (on the beach), several specimens, 
males and females. 
Adult $. 
Lines. 
Millims. 
Length of carapace, about 
41 
10 
Breadth of carapace, about 
5 
11 
Length of a chelipede, . ... 
H 
11*5 
Length of first ambulatory leg, . 
61 
13-5 
Subfamily 2 . Plagusiin^e. 
Plagusiinse, Dana, U.S. Explor. Exped., vol. xiii., Crust. 1, p. 333, 1852. 
„ Miers, Ann. and Mag. Nat. Hist., ser. 5, vol. i. p. 147, 1878. 
„ Kingsley, tom. cit., p. 223, 1880. 
Carapace much depressed ; antennules transverse, and exposed and visible in a dorsal 
view in deep longitudinal clefts or sinuses of the front. 
This subfamily includes only the genera Plagusia, Latreille, and Leiolophus, Miers 
( = Acanthopus, de Haan, nom. prseoc.). 
Plagusia, Latreille. 
Plagusia, Latreille (pt.), Gen. Crust, et Ins., vol. i. p. 33, 1806. 
„ Milne Edwards (pt.), Hist. Nat. Crust., vol. ii. p. 90, 1837 ; Ann. d. Sci. Nat., ser. 3, 
Zool., vol. xx. p. 178, 1853. 
„ Miers, Ann. and Mag. Nat. Hist., ser. 5, vol. i. p. 148, 1878, et synonyma. 
Carapace depressed, and little, if at all, broader than long ; with the antero-lateral 
margins dentated, and slightly divergent to the bases of the third pair of legs. The front 
