254 1"^^ Philippine Journal of Science 



mossy forest. Apparently not at all common, only a few females 

 being encountered. Types in coll. Baker. 



Parorchestia lagunse sp. nov. 



Color pale olive-green; eyes large, round, black. Side plates 

 subuniform, their lower margins in line. 



Antenna I (Plate III, fig. 2) with joint 3 of peduncle very 

 slightly longer than 2; flagellum shorter than joints 2 and 3 

 together, 8-jointed, the second joint longest. Antenna II (Plate 

 III, fig. 1) not as long as head and first three segments of pereion 

 together; third joint of peduncle as long as joints 1 and 2 to- 

 gether; flagellum about once and a fourth as long as peduncle, 

 about 14-jpinted, the joints very thick. Lower lip deeply simply 

 lobed. Gnathopod I in 5 (Plate III, fig. 6) with sixth joint 

 much shorter than fifth, greatly broadened apically, the palm 

 concave, the finger not reaching apex of palm. Gnathopod II 

 in S (Plate III, fig. 7) with joint 6 very large, oval in outline, 

 the palm oblique and fringed with a row of short, stout teeth, the 

 finger very long and slender toward the tip, surpassing the 

 palm. Pereipod 5 but little longer than 4, but both 4 and 5 

 much longer than 3. Pleopods (Plate I, fig. 12) large and 

 normal. Uropods I and II (Plate III, figs. 10 and 11) with rami 

 longer than peduncle, the other ramus without lateral spines. 

 Uropod III (Plate III, fig. 8) as in P. luzonensis, but somewhat 

 stouter. Telson narrowly rounded at tip, entire, and with few 

 inconspicuous hairs. 



Length, 9-10 mm. 



Luzon, Laguna Province, shores of Bay Lake, under stones at 

 water margin. Only encountered on rocky shores. Types in 

 coll. Baker. 



