AUSTKALIAN MALACOSTBACA. 197 



367. Palsemon Danse. 



Paleemon Dance, Heller, Eeise der Novara, Crust., p. 120, 

 pi. xi., fig. 3. 



Eostrum ensif orm, the apes a little reflexed, not sliorter than ' 

 the appendage of the antennae, above slightly convex and armed 

 with 10-11 teeth, the teeth almost equidistant and continued on 

 the third part of the dorsum of the carapace, the first smaller 

 and approximated to the apex ; the lower border a little arched, 

 tridentate. First pair of feet scarcely extending beyond the 

 rostrum. Second pair of feet longer than the rostrum, cylindrical, 

 smooth, the propodos reaching the apex of the rostrum. \_H.~] 



Sydney (Heller). 



368. PalsBmon, sp. 



Tasmania (Australian Museum). 



Family V. PANBALIBM. 



Anterior legs very slender, not chelate ; the second pair 

 filiform, the carpus annulated. Eostrum long, compressed, and 

 toothed. 



Genus Pandaltjs, Leach. 



Eostrum toothed above and below. Eyes thick, short, and 

 free. Superior antennae similar to those of Palmmon, but with 

 only two flagella. External maxillipedes slender and pedif orm. 

 Abdomen as in the Palcemonidw. 



369. Pandalus leptorhynchus. 



Pandalus leptorhynchus, Stimpson, Proc. Acad. Nat. Sci. 

 Philad., Vol. xii., Sp. 447. 



Body very slender. Carapace scarcely crested, armed with 

 one dorsal spine in the gastric region, anterior margin with 

 supra-orbital, antennary, and pterygostomial spines. Eostrum 

 very slender, almost filiform, not shorter than the carapace, 

 armed above towards the base with a single anteriorly directed 

 tooth, with two minute teeth below, one about the middle, the 

 other near the acute apex. Peduncle of the antennules very 

 slender, one-fourth shorter than the rostrum, with a broad basal 



