CHAMBERLIX: MYRIOPODA OF THE AUSTRALIAN REGION. 17 



ventral surface about twelve spinules in two irregular series; mesal 

 surface with five or six spines; one spine at distomesal angle above. 

 Length, 39 mm. 



36. Rhysida kurandana, sp. nov. 



Type.— M. C. Z. 2,151 Queensland: Kuranda, 2,000 ft., Septem- 

 ber, 1914 (H. L. Clark). 



Head sparsely punctate. Antennae composed of eighteen articles, 

 short, reaching only to, or but slightly beyond, the end of the fourth 

 tergite. Dorsal plates from third segment on sulcate, those from sixth 

 on margined. All tergites smooth, without trace of carinae or tub- 

 ercles. Prosternal teeth 5 + 6, the two innermost on each side 

 almost completely fused; the caudal limiting furrows of the dental 

 plate forming an obtuse angle at the middle; dental plates broader 

 than long. Ventral plates without sulci excepting for the usual short 

 traces on anterior border. Last ^"entral plate ob^•iously narrowed 

 caudad, sides convex, the caudal margin weakly concave.- Pseudo- 

 pleural process short, triangular, ^^•ith tip bispinous, two ventral 

 marginal spines of which one is well towards apex. Legs from first 

 to seventeenth with two tarsal spines, twentieth with a tarsal spine. 

 Femur of anal legs ventrally with four denticles or spines of which 

 three are in an oblique proximal row and one alone toward middle; 

 in addition there are along the mesoventral side seven teeth, three 

 pairs and a single one at end of the joint. 



Length, 48 mm. 



Apparently nearest to R. subijiennis (Meinert). 



37. Rhy'sida defecta, sp. nov. 



Type.— M. C. Z. 1,928. New South Wales: Southerland (W. M. 

 Wheeler) . 



Color brown, with the head and two first tergites greenish; posterior 

 legs also greenish. 



Head nearly wholly smooth, the puncta being vague and scat- 

 tered. Antennae consisting of twenty-one articles, the three proximal 

 of which are naked; reaching to the seventh tergite. Dorsal plates 

 bisulcate from the third one on, margination beginning with the 

 seventh. Tergites all smooth, ^Nithout trace of keels or tubercles. 

 PrOsternal teeth in type 4 + 5 (or 6), the two outermost on the left 



