322 RECORDS OF THE AUSTRALIAN MUSEUM. 



Euplax, H. M. Edw. ( = Chce no stoma, Stimpson). I have com- 

 pared it with E. boscii, Audouin. If, then, we accept de Man's 

 identification, your species would be known as Euplax tridentata, 

 A. Milne Edwards, with the type locality probably Australia." 



The types of M. hirsutimana were taken on the mudflats at 

 the mouth of Auckland Creek, Port Curtis, Queensland, where 

 it was common. I have since collected it at Ryde and Parra- 

 matta, Parramatta River, New South Wales, where it burrows 

 in the mud among the mangroves just below the high water 

 mark. Its colour when alive is brownish grey, with darker 

 marblings on the carapace and legs ; the external maxillipeds 

 and pterygostomian regions are white with a broad brown longi- 

 tudinal bar on either side of the buccal cavern. The abdomen 

 and hands of the males are violet, and the fingers orange. 

 Length of carapace, 10 '5 mm. 



Family GRAPSID^E. 



Sesarma smithii, Milne Edwards. 



Sesarma smithii, Milne Edwards, Arch. Mus. Paris, vii., 1855, 

 p. 149, pi. ix., fig. 2. Id., Ortmann, Zool. Jahrb., vii., 1894, 

 p. 722 — references. 



The Australian Museum collection includes two Queensland 

 examples of this species ; one from Yeppoon, near Rockhamp- 

 ton, and another from the Annan River, Cooktown (Coll. Hedley 

 and McCulloch, Aug., 1906). It has not been previously recog- 

 nised from Australia. 



Sesarma meinerti, de Man. 



Sesarma meinerti (de Man), Alcock, Journ. Asiat. Soc. Bengal, 

 lxix., 1900, p. 417. 



Three fine specimens are in the collection from Cooktown, 

 which were received from Mr. E. A. C. Olive. They are ap- 

 parently the first of this species recorded from Australia. 



Of the nine species of Sesarma recorded from Australia, only 

 five are in the Australian Museum ; they may be distinguished 

 as follows : — 



a. Upper surface of the hand of the male with oblique 

 comb-like ridges. 



b. Sides of the carapace without teeth. ..eryt/tro I 'art yla. 



bb. Sides of the carapace with one tooth behind the 

 orbital angle ►. hidens. 



