20G AUSTRALIAN MALACOSTRACA. 



382. Lysiosquilla Brazieri. A.M. 

 Li/siosquilla Brazieri, Miers, Ann. Mag. N. H. (5), v., p. 11, 



pi. i., figs. 3-6. 



Carapace longer than broad ; posterior margin twice as broad 

 as the anterior, with the antero-lateral angles obtuse and the 

 postero-lateral rounded. Rostrum broader than long, with the 

 antero-lateral angles rounded and with a long median spine. A 

 small spine on each side of the antennal segment. Dactyli of 

 the raptorial limbs six-spined. Appendages of last pair of 

 thoracic limbs scarcely dilated, almost linear, two preceding pairs 

 ovate and broadly expanded. Telson twice as broad as long, 

 convex, with seven spinules disposed in a transverse series 

 behind the middle line ; the median flat, trigonous, and not 

 produced at the base, the next on each side produced at base on 

 its outer margin, the third somewhat thickened at base ; postero- 

 lateral margin with three narrow acute spines (the last mobile), 

 a single spinule between the anterior spines, three between the 

 posterior ; posterior margin without median sinus, armed with 

 about fourteen very minute spines. [Miers]. 



Port Jackson. 



383. Lysiosquilla acanthocarpus. 



Coronis acanthocarpus, Gray (hied.), White, List Crust. Brit. 

 Mus., p. 85 (1817). 



Li/siosquilla acanthocarpus, Miers, 1. c, p. 11, pi. i., figs. 7-9. 



Dilated basal portion of the rostral plate nearly quadrate, 

 antero-lateral angles right angles ; terminal median spine rather 

 short and somewhat triangular, broadest at base. Telson with 

 six small spines in a transverse series on its upper surface, with 

 three pairs of marginal spines, the median pair movable and 

 smaller than the rest, and with the interval between them finely 

 serrated ; two spinules between those and each lateral pair, one 

 spinule between the teeth of each lateral pair. Dactyli of 

 raptorial limbs with six spines, the last very small. [Miers.] 



Port Essington (Brit. Museum). 



Genus Chloridella, Eydoux et Souleyet. 

 Allied to SqitiUa, but with the eye-peduncles ovoid, dilated in 

 their middle, and constricted at the extremity. Rostral plate 

 and carapace very small. Cervical suture distinct posteriorly. 



