Pine: 
EXPLANATION OF PLATE XVIII. 
7.—Palaemon scabriculus, Heller. 
7d.—Left larger chelipede of ~ , nat. size. 
7¢.—Right short chelipede of o , nat. size. 
7/.—Left larger chelipede of o , nat. size. 
7¢.—Ischium of ¢@ , nat. size. 
7h.—Right larger chelipede, nat. size (9 measuring 46 mm.). 
7k.—Right regenerated chelipede, nat. size (@ measuring 53 
mm.). 
71.—Apex of telson X 3 (@” measuring 62 mm.) showing 
7m.—Apex of telson X 3 (@ measuring 75 mm.) { variation 
7n.—Apex of telson X 3 (~ measuring 45 mm.) | in telson 
7p —Apex of telson of @ X 3 tip. 
. 8.—Palaemon dolichodactylus, Hilg. 
8a.—Left larger chelipede, nat. size (@” measuring 75 mm.). 
8b.—Right short chelipede, nat. size (o&” measuring 75 mm.). 
. 9.—Palaemon dubius, n. sp. 
ga.—Cephalic region, nat. size (o measuring 75 mm.). 
9b.—Left larger chelipede, nat. size (~ measuring 75 mm.). 
gc.-—Right short chelipede, nat. size (# measuring 75 mm.). 
od.— Right chelipede, nat. size (@ measuring 43 mm.). 
