120 bulletin: museum of comparative zoology. 



340. Strongylosoma longesignattt]m (Silvestri). 



Eusirongylosoma longesignatum Silvestri, Ann. Mus. civ. Genova, 1898, 38, 

 p. 442.1 



Locality. — British New Guinea: Buccajon.^ 



341. Strongylosoma orthogona (Silvestri). 



Eustrongylosoma orthogona Silvestri, Ann. Mus. civ. Genova, 1898, 38, p. 442.^ 

 Locality. — New Guinea: Ramoi.^ 



342. Strongylosoma ensiger Karsch. 



PoJydesmus {Strongylosovia) ensiger Karsch, Archiv nat., 1881, 47, p. 42. ^ 

 Locality. — New^ Zealand.^ 



343. Strongylosoma nigrovirgatum Carl. 

 Rev. Suisse zool., 1902, 10, p. 567, pi. 10, fig. 1, 2.i 

 Locality. — Victoria : Melboiu-ne.^ 



Phlyctodesmus, gen. nov. 



Resembling Strongylosoma but characterized by having head, all 

 metazonites (excepting sternites), and the anal tergite and valves 

 densely granular as in Microporus, the tubercles setigerous in part. 

 Keels wholly lacking, the tergites at most somewhat angularly thick- 

 ened at level of pores. The poces not elevated. The keel-like thick- 

 ening of second tergite extended forward at lower end against or over 

 inferior end of first tergite and the border of cardo of mandibles. 

 Tergites without transverse sulci. Body narrowest in region of third 

 and fourth somites. Composed of head and twenty segments. Pores 

 on segments five, se^'en, nine, ten, tweh-e, thirteen, and fifteen to 

 nineteen. Prozonites sharply set off from the metazonites. An- 

 tennae short, clavate, the sixth article much the longest. Telopodite 

 with the femoral region constricted proximally, strongly clavately 

 widened distad, convex anteroectally, concave on the opposite face, 



