I9I5. | W. E. Connince: Indian Terrestrial Isopoda. 145 
Philoscia tenuissima, n. sp. 
(Plate v, figs. I-Io.} 
Body oblong oval, slightly convex, lateral plates of mesosome 
but slightly expanded; metasome abruptly narrower than meso- 
some. Cephalon (figs. 1 and 2) convex above, slightly rounded in 
front, medium and lateral lobes absent: frontal margin ill-defined 
and bent downward laterally; epistoma flattened with transverse 
tidge. Eyes prominent, dorso-lateral, ocelli large. Antennulae 
small, 3-jointed, basal joint large. Antennae (fig. 3) long and 
slender, the distal joint being the longest; flagellum 3-jointed, 
with deep groove on the anterior border, terminating in long 
spinous style, setaceous. First maxillae (fig. 4), outer lobe termt- 
nates in three stout, curved spines and five smaller inner ones ; 
inner lobe terminates in two setaceous spines. Second maxillae 
(fig. 5) thin, plate-like, bilobed distally, inner division terminating 
in fairly long setae. Segments of the mesosome almost subequal, 
posterior angle of lateral plates not produced backwards. Mavilli- 
pedes (fig. 6) with elongated palps, outer one terminating in 
multispinous process and a single long spine; inner palp somewhat 
cone-shaped, sunken at the apex, with tooth-like spine on the 
inner border and a long pointed one arising from the base of the 
concavity, and four small tooth-like spines on the outer border. 
Thoracic appendages (fig. 7) comparatively short, setaceous, 5th 
joint and claw elongated, 4th joint with two spines on the inner 
border with obtuse plumose apices. Uropoda (figs. 8 and 9) 
extending beyond the telson, basal plate small with deep groove on 
the under side which also extends along the inner border of the 
exopodite, the endopodite is also grooved on its ventral side. 
Telson (fig. 10) short and broad, produced to a blunt point in the 
median line posteriorly. Length 65 mm. Colour (in alcohol) 
horny-brown with light greyish markings. 
Habitat—Museum compound, Madras (town). No. 8668/ro. 
(N. Annandale.) 
Type.—In the collection of the Indian Museum. 
Hemiporcellio carinatus, gen. et sp. nov. 
(Plate vi, figs. I-10.) 
Body (fig. r) oblong oval, flattened, with irregular tubercula- 
tions, and tooth-like tubercles on the posterior margin of the 
ametosomatic segments; metasome narrower than mesosome. Ce- 
phalon (figs. 2 and 3) narrow, tuberculated, setose, lateral lobes 
cup-shaped, median lobe formed by a dipping forward and down- 
ward of the anterior margin which is continuous; epistoma 
convex with numerous small setae. Eyes large, sub-lateral. 
Antennulae very small. Antennae (fig. 4) elongated, with well- 
marked carination on the dorsal side of 3rd, 4th and 5th joints; 
flagellum 2-jointed, the proximal joint being the longer. First 
